TOSHIBA TB1240AN TENTATIVE TOSHIBA Bi-CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC TB1240AN PAL/NTSC 1CHIP (IF + VCD PROCESSOR) IC TB1240AN is the IF & Video processing IC for PAL/NTSC color TV system. This IC demodulates PAL/NTSC PIF, SIF and composite video signal to R/G/B primary colors and Audio signals. This IC can constitute Multi-Color System by combined with TA1275AZ (SECAM Processor). TB1240AN has the analog R/G/B interface, therefore it is easy to make up PIP system by using this IC. TB1240AN has an IC BUS interface. Various controls (Brightness, Color etc.) can be done via two bus lines. SDIP56-P-600-1.78 FEATURES Weight : 5.559 (Typ.) IF stage @ Intercarrier /Splitcarrier Input @ Double Time Constant IF AGC @ Bus Controlled RF AGC @ Bus Controlled PIF VCO @ L-SECAM Demodulation @ PLL SIF Demodulation (for 4.5~6.5 MHz multi-SIF, Thankless) 980910EBA1 @ TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due te their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a TOSHIBA product could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent products specifications. Also, please keep in mind the precautions and conditions set forth in the TOSHIBA Semiconductor Reliability Handbook. @ The products described in this document are subject to the foreign exchange and foreign trade laws. @ The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. @ The information contained herein is subject to change without notice. 1999-04-14 1/85TOSHIBA Video stage Built-in Chroma Trap Built-in Y Delay Line Black Expansion DL Type Sharpness Control Chroma stage @ 1 Xtal for Multi-System (3.58 MHz/ 4.43 MHz/M-PAL/N-PAL) @ Built-in 1H DL @ Built-in BPF/TOF @ SECAM R-Y, B-Y Input @ Automatic Color System Detection e fsc Continuous Wave Output Text stage @ Fast Blanking @ Analog R/G/B Interface @ Cut-Off /Drive Adjustment ABCL @ UV Input Deflection stage Resonator less H-VCO Dual Horizontal AFC Horizontal Phase Control Vertical Phase Control H/V Lock Detection Sand Castle Pulse Output (HD + VD + Gate Pulse) E/W correction Vertical correction TB1240AN 1999-04-14 2/85TB1240AN TOSHIBA ino @4N (A6) 2A was as A ON H Dov A dive A xix dwey A DOUd MAF SdM 18V +wyBug INO M2 NI fais das ino onas LNO H ddS M3 DV ' L SIP 4O|OD-1Un Jayld Nal ino ino ino >>, UE YD Uy wy Dav 29OVv ) 5 4 ne Aya aa ixa /3k Wel, X du a ZHW EP'y GND DIA Wav (A6) 2A oigny NIdAIS dl an dl 397 Dav duel) aad 4yo-3nD v qpyee-ef 2013 1aVv 1aVv--- qbug MS xuyew we eeeeas 10|09-1U0) qwuo>-qns OV ra 433195 430 4301 peig yyoows AGPAY MS Ipy yeild deal dwe> dwep> aLIOD | NIA} + NI NI 8 STAM fAEG/AU GND ul! 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B. * * * * * * DC NF | 0000 0000 speed OE V-Freq RF AGC 0000 0000 OF AFC Gain Vertical Size 0010 0000 10 V Linearity | V Correction 1000 1000 11 PIF VCO | 1000 0000 12 SECAM R-Y Black Adjust | SECAM B-Y Black Adjust 1000 1000 13 N-COM BLK RGB Contrast 0000 0000 14 H-STP FID | Self Adj. | ID Sw | ABL Start point | 0000 0000 15 Factory TEST MODE 0000 0000 16 0 SE Adj. IF Freq. AFT ON | BGP P | Ym enb | 0000 0000 17 | | TEST MODE 0000 0000 18 YUV SW TEST Horizontal Size xx10 0000 19 TEST MODE Parabola Correction xx10 0000 1A Trapezium Correction V. EHT 1000 0000 1B | Corner Correction H. EHT x100 0000 Read mode 7 6 5 4 3 2 1 0 W1 POR IF Lock H Lock IF Level V Freq Color System W2 Y-IN RGB OUT | H-OUT V-OUT * V Lock | AFT 1999-04-14 26/85TOSHIBA TB1240AN BUS CONTROL CONTENTS Write mode CHARACTERISTIC DESCRIPTION PRESET Au Gain (Audio Gain SW) 0 : 50 kHz 1: 25kHz (X2 on 4.5MHz mode) 50 kHz WPS (White Peak Suppressor) 0: ON 1: OFF ON Uni-Color Min : -11.6dB~Cen : 6.6dB~Max : 11.6dB -11.6dB 00 : Normal 01: Y-Mute 10 : RGB Out-Cut Off DC Mute (Mute Mode) 11: RGB Out-Cut Off DC + VP Out Hi Y-Mute (Service mode) Brightness Min : 1.9V~Cen : 2.6V~Max : 3.4V (Pedestal Level) 2.6V Color Min : -20dB or less~Cen : OdB~Max : 8.15dB OdB V-AGC (Vertical AGC Speed) 0 : Normal 1: x3 Normal TINT Min : -38~Cen : 0~Max : 38 0 AF-G (AF Gain SW) 0 : 50 us (5.5/6.0/6.5 MHz) 1: 75 ys (4.5 MHz) 50 ps Vi POL (Video Polarity) 0 : Normal 1: Reverse (For L-SECAM) Normal Sharpness Min : -11dB~Cen : 5dB~Max : 12 dB 0dB C-BPF 0 : BPF 1: TOF BPF C-Trap (Chroma Trap) 0 : OFF 1: ON OFF Half Tone 0 : OFF 1: ON OFF ABL Gain 00: -0.74V 01: -0.64V 10: -0.37V 11: -0.12V | -0.74V 000 : Auto1---443 PAL /358 NTSC (/SECAM) / 443 NTSC 001 : Auto2::-358 NTSC /M-PAL/N-PAL Color System 010 : Fixed 443 PAL 011 : Fixed M-PAL Auto1 100 : Fixed N-PAL 101 : Fixed 358 NTSC 110 : Fixed 443 NTSC 111 : SECAM CW SW 0 : Auto 1: 4.43 MHz Auto Sub-Contrast Min : -3.5dB~Cen : 0dB~Max : 2.3 dB 0dB RGB Cut Off Min : -0.5V~Cen : OV~Max : 0.5V +0V G/B Drive Min : -5.5dB~Cen : O0dB~Max : 3.5dB -5dB AFT M (AFT Mute) 0 : Normal 1: Mute Normal Vertical Position 000 : OH 111: 7H Delay /Pulse Width : 8H 0H Horizontal Position Min : -3 us~Cen : 0 us~Max : 3 xs 0 us B.B. (Blue Back) 0 : OFF 1: 50 IRE OFF DC NF SPEED 0 : Fast 1: Normal Fast . 00: Auto 01: 60Hz 10: 263H Fixed V-Freq (Vertical Frequency) 11: 313H Fixed Auto RF AGC 000000 : IF Mute Min : 65dBuV~Max 100 dByuV Mute . 00 : Normal 01: 1/3 10: x3 at VBLK AFC Gain 11: AFC Off Normal Vertical Size Min : -40%~Cen : O%~Max : 40% 0% 1999-04-14 27/85TOSHIBA TB1240AN CHARACTERISTIC DESCRIPTION PRESET . . Upper Side ; Min : 16%~Cen : O%~Max : -14% 0 V Linearity Lower Side ; Min : -20%~Cen : 0%~Max : 17.5% 0% . Upper Side ; Min : 12%~Cen : O%~Max : -12% V-5 Correction Lower Side ; Min : 15%~Cen : 0O%~Max : -15% 0% PIF VCO (PIF VCO fg Adj.) Min : -2MHz~Cen : 0 MHz~Max : 2 MHz 0 MHz . Min : --176mV~Cen : OmV ~Max : 154 mV SECAM R-Y Black Adj (At R Output) OmvV . Min : -280mV~Cen : OmV~ SECAM B-Y Black Adj Max ; 245 mv (At B Output) OmvV N-Com (NTSC Comb SW) 0: ON 1: OFF ON BLK (Blanking SW) 0: BLK ON 1: BLK OFF ON RGB Contrast Min : -6.0dB~Cen : 9.4dB~Max : 14.0dB -6.0dB 0 : Normal H-STP (H-Out Stop) 1 (& Mute data ; 11) Normal : H-Out Stop & Low RGB Output 0 : Normal 1: Killer OFF on Fixed System FID (Forced ID ON) (This function doesnt work on Auto1 & Auto2 Mode.) Normal Self Adj. . : AFT 1: Bl 10:R 11: RFA 1/2 AFT (AFT Output SW for Self Adj.) | ? 0 ue 10 : Red Geox t/ Ls wo: 0 : Normal Mode 1: Low Mode ID SW (ID Sensitivity Switching) (This function works on only for NTSC Mode) Normal ABL Start Point 00: -0.01V 01: -0.11V 10: -O3V 11: -0.45V -0.01V TEST (TEST MODE) For factory-TEST. OOHEX Leave these bits preset data. 00000 : Expansion downward SE Adj. 0: Normal 1: SECAM Black Level Alignment Mode 0 18 pin : R-Y 20 pin : B-Y 000 : 58.75 MHz 001 : 45.75 MHz 010 : 39.50 MHz 011 : 38.90 MHz IF Freq. 100 : 38.00MHz ~-101: : 34.47 MHz 000 110 : 33.95 MHz 111 : 33.90 MHz AFT ON 0 : Normal 1: AFT-MUTE OFF 0 BGP P 0 : Normal 1: 1.5 us 0 0: 0~0.8V TV more than 0.8V OsD Ym enb 1: 0~0.8V TV 0 0.8~2.4V Half Tone more than 2.4V OSD YUV SW 0: YC 1: YUV YC Horizontal Size 000000 : MIN 100000 111111 : MAX (center) . 000000 : MIN parabola Correction 111111 = MAX CEN Trapezium Correction 11117 : Expansion upward CEN 1999-04-14 28/85TOSHIBA TB1240AN CHARACTERISTIC DESCRIPTION PRESET 000 : MIX V.EHT 111 = MAX MIN . 00000 : Vertical expansion Corner Correction 11111 : Vertical compression CEN 000 : MIX H.EHT 111: MAX MIN Read mode CHARACTERISTIC DESCRIPTION POR (Power On Resection) 0 : Normal 1 : Resister Preset IF Lock (IF Lock Detection) 0: Lock Out 1: Lock In H-Lock (Horizontal Lock Detection) 0 : Lock Out 1: Lock In IF Level (IF AGC Gain Detection) 0: High IFAGC Gain 1: Low IFAGC Gain V Frq (Vertical Frequency) 0: 50Hz 1: 60 Hz 000: B/W 001: 4.43PAL 010: M-PAL 011: N-PAL Color System 100 : 3.58NTSC 101: 4.43NTSC 110 : SECAM 111:N/A Y-IN (For Self-Diagnostic) 0 : No Signal 1: OK RGB Output (For Self-Diagnostic) 0 : No Signal 1: OK H-OUT . (For Self-Diagnostic) 0 : No Signal 1: OK V-OUT . (For Self-Diagnostic) 0 = No Signal 1. OK V-Lock (Vertical Lock Detection) 0: Lock Out 1: Lock In AFT (AFT Lock Detection) 00 : Lock Out 01: High Freq. 10 : Low Freq. 11 : Lock In 1999-04-14 29/85TOSHIBA TB1240AN 2 BUS CONTROLLED FORMAT SUMMARY Bus controlled format of TB1240N is based on I?C Bus Control format of Philips. Data transfer format 1s | Slave address | o}] A | Sub address | A | Data | A] P | T " | | MSB 7 bit MSB 8 bit MSB 8 bit (1) Start and stop condition r--- I 1 1 1 4 I I SDA KI I I I I ! I I I ' I 1 L---4 Start Condition Stop Condition (3) Acknowledge 1 1 I I From master 7 . spa iN _ X Trish Impedance I 1 1 I I 1 \ / I 1 1 1 I 1 I I 1 I 1 From Slave SDA High Impedance From master S 1 ~\ 8 9 SCL I I -a S : Start Condition P : Stop Condition A : Acknowledge (2) Bit transfer 1 SDA / \ | 1 t 1 SDA cannot change. Le. can change. (4) Slave address Ag | A5 | Ag | Az | Az | Aq | Ao Purchase of TOSHIBA I?C components conveys a license under the Philips I?C Patent Rights to use these components in an I7C system, provided that the system conforms to the I?C Standard Specification as defined by Philips. 1999-04-14 30/85TOSHIBA MAXIMUM RATINGS (Ta = 25C) CHARACTERISTIC SYMBOL RATING UNIT Supply Voltage (9 V Vcc) Vccmaxg 12 Vv Supply Voltage (5V Vcc) Vccmaxs 8 Vv Power Dissipation PDmax 1980 (*) mW Input Terminal Voltage Vin GND - 0.3~Vcc + 0.3 Vv Operating Temperature Topr -20~65 C Storage Temperature Tstg -55~150 C TB1240AN (*) When using this device at above Ta = 25C, the power dissipation decreases by 15.9 mW per 1C rise. This IC is not proof enough against a strong E-M field by CRT which may cause function errors and/or poor characteristics. Keeping the distance from CRT tothe IC longer than 20cm, or if cannot, placing shield metal over the IC, is recommended in an application. Ta-PD CURVE POWER DISSIPATION PD (mW) 1980 1349 Ta (C) 1999-04-14 31/85TOSHIBA TB1240AN ELECTRICAL CHARACTERISTICS DC CHARACTERISTICS Pin voltage TEST PIN No. PIN NAME SYMBOL | CIR- TEST CONDITION MIN. | TYP. | MAX. | UNIT CUIT 1 AFT OUTPUT V1 _ _ 2.0 2.5 3.0 Vv 2 AUDIO OUTPUT V2 _ _ 3.8 4.3 4.8 Vv 3 |IF Vcc V3 |Supply 9V 90; Vv 4 SIF IN V4 _ _ 4.6 5.1 5.6 Vv 7 IF Input V7 _ _ 2.1 2.7 3.3 Vv 10 APC Filter Vi0 18 [ 25] 32] Vv 11 [xX'tal Vad 37 | 40] 43] Vv 13. |Ys V3 |o017] o4f[ v 14 |Analog R Input ViA 18/25] 32] Vv 15 |Analog G Input V45 _ _ 1.8 2.5 3.2 Vv 16 |Analog B Input V16 _ _ 1.8 2.5 3.2 Vv 17 RGB Vcc V417 |Supply 9V 9.0 Vv 18 |R Output Vig 2.30 | 2.65 | 3.00 Vv 19 |G Output Vi9 2.30 | 2.65 | 3.00 Vv 20 B Output V20 _ _ 2.30 | 2.65 | 3.00 Vv 21. | ABCL V24 5.70 | 6.05 | 6.30 Vv 26 SCL V26 _ _ 45 5.0 5.5 Vv 27 [SDA V27 45] 50/55] V 28 | H.Vcc V26 |Supply 9V 9.0 Vv 29 OW Outpan et vg | CK 1.40 | 1.75 | 2.00 | v 36 =| Digital Vpp V36 |Supply 5V _ 5.0 _ Vv 37 SECAM B-Y Input V37 _ _ 2.3 2.5 2.7 Vv 38 |SECAM R-Y Input V38 23 | 25 | 27] V 39 /[Y Input V39 25 | 28] 32 [ =V 40 H.AFC Vao _ _ 6.0 6.8 7.5 Vv 43 SYNC IN Va43 _ _ 1.9 2.2 2.5 Vv 44 |Black Detection Va44 2.00 | 2.25 | 2.60 Vv 45 | Ext. C Input Vas 27 | 30/ 34] V 46 |Y/C Vec Va6 |Supply 5V 5.0 Vv 47 |PIF Det. Output Vaz 48 | 53 [ 58] V 48 Loop Filter Vag _ _ 4.1 4.6 5.1 Vv 1999-04-14 32/85TOSHIBA TB1240AN TEST PIN No. PIN NAME SYMBOL | CIR- TEST CONDITION MIN. | TYP. | MAX. | UNIT CUIT 50 |PIF VCO V50 74 | 80 | 86 Vv 51 PIF VCO V51 74 8.0 8.6 Vv 52 |VCO Vcc V52 |Supply 9V |90 | Vv Limiter Input / 3 |curre Correction V53 7 7 39) 45) 5.1 V 54 Ripple Filter V54 5.2 5.9 6.6 Vv 55 |SIF OUT V55 3.0 3.5 4.0 Vv Current dissipation TEST PIN No. PIN NAME SYMBOL | CIR- TEST CONDITION MIN. | TYP. | MAX. | UNIT CUIT 3 IF Vcc Icc3 |Supply 9V 11 20 25 mA 17. |RGB Vcc Icc17 |Supply 9V 7 10 12 mA 28 H.Vcc Icc26 |Supply 9V 18 24 33 mA 36 Digital Vcc Icc36 |Supply 5V 7 13 16 mA 46 1Y/C Vcc Icc46 |Supply 5V 53 76 89 mA 52 VCO Vcc Icc52 |Supply 9V 15.5 23 29 mA RECOMMENDED OPERATING POWER SUPPLY VOLTAGE PIN No. PIN NAME MIN. | TYP. | MAX. | UNIT NOTE 3 IF Vcc 8.5 9 9.5 V 17. |RGB Vcc 8.5 9 9.5 V 28 | H.Vcc 8.5 9 9.5 Vv 36 | Digital Vcc 4.5 5 5.5 Vv The thermal drift of the Y/C Vcc should be less than 50 mv. 46 [Y/ Vec 4.5 > V Because the Amplitude of V-RAMP depends on this DC voltage. 52. |VCO Vcc 8.5 9 9.5 Vv 1999-04-14 33/85TOSHIBA TB1240AN AC CHARACTERISTIC PIF stage (Unless otherwise specified, Vcc = 9V (3, 17, 28 & 52pin)/5V (36 & 46pin), Ta = 25C) CHARACTERISTIC SYMBOL cit TEST CONDITION MIN. | TYP. | MAX. | UNIT 87.5% Vv 2.0 2.2 2.4 PIF Det. Output 7 CECAM Voene - Py 20 | 22) 24 | Vp. Level PP 110% VDET110 2.0 2.5 3.0 PIF Input MIN. EPIFINMIN 37 dB .V Sensitivity MAX. EPIFINMAX _ P2 100 107 _ IF AGC Range AEIFAGC 65 | 7o | | dB PIF Det. Sync. Tip Level VSYNC _ p 2.6 2.9 3.2 Vv L-SECAM White Peak Level | Visyy 3 46 | 49 | 5.2 V Output Level VNOIF _ p 4.8 5.2 5.6 V for No Input [L-SECAM | VNOIFLS 4 22 | 26 3 Differential Gain DG p 2 5 % Differential Phase DP 7 2 5 PIF Output Freq. Response FRDET _ Pg 5 7 _ MHz S/N S/Npir P?7 52 55 dB Intermodulation 1407 Pg 42 45 dB MAX. VIFAGCMAX 7.3 7.5 _ Ir AGC Voltage MIN. VEAGCMIN _ Pg = 38 = Vv Rp AGC MAX. VRFAGCMAX| __ p = 9} J] y Voltage MIN. VRFAGCMIN 10 | 02] 05 Rr AGC Control Range AERFAGC P14 35 dB AFT Center Voltage VAFTCEN P12 2.5 Vv MAX. VAFTMAX 4.4 4.8 5.2 AFT Voltage MIN. VAFIMIN _ P43 = 02 AG V AFT Sensitivity LEAFT P14 40 |kHz/V PIF VCO Control Sensitivity PIFVCO _ P15 _ 1.5 |MHz/V a VCO Pull-In_ | High FPIFINH _ Pig 1 1.5 MHz ange Low FPIFINL 1 1.5 _ PIF Input Resistance Zin R (p) _ p _ 3 _ kO, PIF Input Capacity Zin C (p) 7 6 pF 1999-04-14 34/85TOSHIBA TB1240AN SIF & audio stage (Unless otherwise specified, Vcc = 9V (3, 17, 28 & 52 pin)/5V (36 & 46pin), Ta = 25C) CHARACTERISTIC SYMBOL cit TEST CONDITION | MIN. | TYP. | MAX. | UNIT 5.5 MHz/P VAUACS5P 695 927 | 1236 evel Output FS MHz/P | Vayacap | $4 649 | 927 | 1324 |MVrms 4.5MHz/N | VAUACAN 350 500 700 Audio 5.5 MHz/P DauUDIOP _ s 0.3 1 0% Distortion 4.5MHz/N | DaypioN 2 | 03 1 5.5MHz/P | S/NoipP 55 | 6o| Audio S/N 4.5MHz/N_ | S/NcipN _ $3 52) sa| | % AMR AMR S4 50| 60| | GB Limiting Sensitivity ELIM $5 35 | dBuv Band Width High FAUHS5P s 6.7 8.7 _ (5.5MHz/PAL) | Low FAUL5P _ 6 38 | 54] Band Width High FAUHAN s 49/| 64| 2 (4.5 MHz/NTSC) | Low FAULAN 7 2.8 4 SIF MAX. Permissible Input Vin MAX (Ss) | 5 105 110 _ dBu SIF AGC Range RAGC (s) _ 8 55| 7o | | dB SIF Input Resistance Zin R(s) s 10 kO SIF Input Capacity Zin C(s) 9 5 | |. pF 1999-04-14 35/85TOSHIBA TB1240AN Video stage (Unless otherwise specified, Vcc = 9V (3, 17, 28 & 52pin)/5V (36 & 46pin), Ta = 25C) TEST CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. | TYP. | MAX. | UNIT CUIT Y Input Dynamic Range DRy _ V4 1.1 1.3) Vp-p Y Input Pedestal Clamp Vv _ Vv 2.5 2.7 2.9 Vv Voltage YeLP 2 Y Delay Time tYDEL V3 500 550} 600 ns VBRTMAX 3.0 3.4 3.7 Brightness Chara. VBRTCEN V 2.3 2.6 2.8 Vv VBRTMIN 4 1.6 1.9 2.1 Brightness Data Sensitivity AVBRT 9.4) 13.6] 16.3 |mV/bit GUCYMAX 10.2| 11.6] 13.2 Uni-Color Chara. for Y GUCYCEN V5 5.1 6.6] 8.3 dB GUCYMIN -9.1| -6.9] -5.2 1. 2. 2. Sub-Contrast Chara. SSCONMAX | _ V6 8 3 8 dB GSCONMIN -3.0] -3.5| -4.0 Sharpness Peaking Frequency FSHp V7 3.0 3.3 3.6 | MHz G 7.0} 12.0] 15.0 Sharpness Control ax Vv 50 50 70 dB Characteristics SHCEN 8 - - - GSHMIN -14.0|/-11.0 | -8.0 Y Frequency Response FRY Vg 5.5] MHz Black Expansion AMP Gain GBLEX 1.2 1.4 1.6 Black Expansion Start Point VBLEX a V10 0.79| 0.96] 1.14] Vv Black Peak Detection Level VBLPD Vaid -50 0 50 | mV WPS Level Vwps V412 2.5| 2.8] 3.2 | Vp-p Chrome Trap Gain GTRaP 358 | __ V13 | =20] dB GTRap 443 - 20 dB Half Tone Chara. for Y GHTY ViA -6.9] -6.0] -5.1 dB 1999-04-14 36/85TOSHIBA TB1240AN Chroma stage (Unless otherwise specified, Vcc = 9V (3, 17, 28 & 52pin)/5V (36 & 46 pin), Ta = 25C) TEST CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. | TYP. | MAX. | UNIT CUIT V _ 20 30 ACC Chara. Vaccn Cy a0 Vee F 5.13} MH TOF Chara. (4.43 MHz) Oras x < F | 443) | MH BPF Chara. (4.43 MHz) Ore 2.0); F - C2 \a28} wine TOF Chara. (3.58 MHz) Ores ho F 3.58) MH BPF Chara. (3.58 MHz) Gusts > < C Delay Time tCDEL 550} 600) 650] ns Delay Time Difference _ C3 between Y/C Aty/C ~ 60 0 60) ns G 6.93] 8.15] 9.37 Color Chara. COLMAX _ C4 dB GCOLMIN = = - 20 Uni-Color Chara. for C GUCCMIN | C5 -21.5| -18.8/-16.0) dB AG 30 38 46 Tint Chara. (4.43 MHz) aoe el asl cag| 19 Tint Chara. (3.58 MHz) / 7353 7 8 30] 38] 48) oe ao 2 A 8358MIN -46} -38| -30 g Vv 0.45] 0.55] 0.65 Relative Amplitude (PAL) Vpcye 030| 0361 042] ~ _ C7 ; . . Vv 0.6 0.7 0.8 Relative Amplitude (NTSC) VeG/e 025! 031| 0371 ~ Gpr. 85 90 95 Relative Phase (PAL) Ton - 730 736 AD deg - _ Cg Opr- 86 91 96 Relative Phase (NTSC) Tora Sst ban} ae] 49 FAAPCP + 350 500; APC Pull-In Range (4.43 MHz) FAAPCP - 350 500/. Hz FAAPCH + 350 500; APC Hold R 4.43 MH H C Hold Range (4.43 MHz) FAAPCH _ Co 3501 5001 z FRZAPCP + 350 500; APC Pull-In R 58 MH H Cc Pull-In Range (3.58 z) F3aPCP - 350 5001 z FZAPCH + 350 500; APC Hold Range (3.58 MHz) F3APCH 350 500/. Hz APC Control Sensitivity (4.43 MHz) $443 _ cro 0.8 1.0 1.2 |Hz/mvV APC Control Sensitivity (3.58 MHz) 358 0.7] 0.9] 1.1/Hz/mv 1999-04-14 37/85TOSHIBA TB1240AN TEST CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. | TYP. | MAX. | UNIT CUIT PAL ID Sensitivity VPALIDON 1.0} 3.0 5.0 mVp-p (Normal Mode) VPALIDOFF 1.0) 3.0 5.0 NTSC ID Sensitivity VNTIDON 0.4) 0.8 1.2 (Normal Mode) VNTIDOFF 0.4) 0.8 1.2 NTSC ID Sensitivity VNTIDLON 2 4 6 mV (Low Mode) VNTIDLOFF 2 4 6 PP VIDH 2.9] 3.2 3.5 ID Output Level VIDL C12 75! 18 4 Vv SECAM ID Det. Current ISECAM C13 50 70 150 LA SECAM ID Det. Current (Strong) ISECAM-S C14 220} 300 380 LA fsc Continuous Wave Output Vew _ C15 0.35| 0.50 | 0.70 | Vp.p Level Vv 0 20 40 Sub-Carrier Remain on RGB ok C 0 0 40 | mv VscB 0 20 40 Half Tone Chara. for C GHTC C17 -6.9) -6.0 | -5.1 dB fo3 - 200 0 200 Freerun Fr n foa Cc ~ 200 0 200 H eerun Frequency fo = 18 00 0 1300 z fon - 200 0 200 1999-04-14 38/85TOSHIBA TB1240AN Text stage (Unless otherwise specified, Vcc = 9V (3, 17, 28 & 52pin)/5V (36 & 46 pin), Ta = 25C) TEST CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. | TYP. | MAX. | UNIT CUIT V-BLK Pulse Output Level VVBLK r 0.5 1.0 1.5 Vv H-BLK Pulse Output Level VHBLK 1 o5{ 10; 15] V RGB Output Black Level (OIRE DC) VBLACK T2 2.35 2.60 2.85 RGB Output White Level (100 IRE AC) VWHITE | T3 | 250} | Vp-p Cut-Off Voltage Variable AVeuT+ | __ : 0.45] 0.50/ 0.55) |, Range AVCUT 4 = 0.55 |-0.50 | -0.45 Drive Control Variable Range SDR + Ts 3.0 3 40 dB Gpr - -6.0] -5.5| -5.0 VABCLH 5.9 6.0 6.1 ABCL Control Voltage Range VABCLL _ Te 5a 55 56 Vv ACL Gain GACL -16.5} -15}-13.5] dB VABLP1 -0.06/-0.01]) 0.04 . VABLP2 -0.16|-0.11 | -0.06 ABL Point VABLP3 "7 =0.35}-0.30|-025| VABLP4 - 0.47 | -0.42 | -0.37 VABLG1 -0.17|-0.12 | -0.07 V 0.42 | -0.37 | -0.32 ABL Gain ABLG2 | _ Tg V VABLG3 0.69 | -0.64} -0.59 VABLG4 - 0.79 | -0.74 | -0.69 Analog RGB Dynamic Range DRTx Tg 05; Vp-p .| G 0.85 1.00 1.20 Analog RGB Contrast = eM _ T 0501 0591 0.711 V Control Characteristic TXCCEN 10 PrP MIN. GTXCMIN 0.08; 0.10) 0.12 .| Vv 3.0 3.4 3.7 Analog RGB Brightness ena ; satel al ov Control Characteristic TXBRCEN | 17 MIN. | VTXBRMIN 1.6 1.9 2.1 Analog RGB Mode Switching Level Vys T12 0.6 0.8 1.0 Vv tRYS 25 100 Analog RGB Mode Transfer tPRys _ T 30 100 ns Characteristic ZFYS 13 10| 100 tPFys 25] 100 Cross Talk from Analog RGB to TV CTTxX-TV T14 -55| -50] dB Cross Talk from TV to Analog RGB CTTV-TX T15 -55| -50) dB 1999-04-14 39/85TOSHIBA TB1240AN TEST CHARACTERISTIC SYMBOL cur TEST CONDITION MIN. | TYP. | MAX. | UNIT RGB Output R VROUT 1.0 1.2 1.4 Amplitude G VGOUT T16 0.45} 0.60) 0.75] Vp-p B VBOUT 2.0 2.2 2.4 VSECBMAX 210 245 280 . mV SECAM Black Level Adj. VSECRMAX 133 154 175 Chara. VSECBMIN | T17 -320| -280| -240 mV VSECRMIN -200| -176| -152 SECAM Black Level Adj. Data | AVsecp 30 35 40 vais mv Sensitivity AVSECR 19 22 25 SECAM Black Level Gps _ T -2.4) -0.5 1.1 dB Alignment Mode Gain GRS 18 -2.4| -0.5 1.1 SECAM Black Level Alignment Mode Analog Vyss _ T19 0.6 0.8 1.0 Vv RGC Mode SW Level Half Tone Mode SW Level VYM1 0.6 0.8 1.0 Half ToneAnalog RGB _ T Vv Mode SW Level Vym2 2.2 2.4 2.6 tTRYM1 25 100 Half Tone Mode Transfer tPRyMi1 _ = 30|{ 100 ns Characteristic TFYM1 10 100 tPFym1 T 25 100 tRyM2 21 25 100 Half ToneAnalog RGB tPRYM2 _ 30| 100] Mode Transfer Characteristic | cFynq2 _ 10] 100 tPFywi2 25 100 Reet Voltage Axes AVbet _ 199 _ 0 40| mv RGB Output Amplitude Axes Difference P aVa Za 123 Za 0 10} mv 1999-04-14 40/85TOSHIBA TB1240AN 1H DL stage (Unless otherwise specified, Vcc = 9V (3, 17, 28 & 52 pin)/5V (36 & 46 pin), Ta = 25C) TEST CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. | TYP. | MAX. | UNIT CUIT 1H DL Dynamic Range DRBDR Pin 37~Pin 20 0.8 1.2 _ Vv (Direct) DRRDR Pin 38~Pin 18 0.8 1.2) 1H DL Dynamic Range DRBDL Pin 37~Pin 20 0.8 1.2 Vv (Delay) DRRDL Pin 38~Pin 18 os] 12] 1H DL Dynamic Range DRBDRDL Pin 37~Pin 20 0.9 1.2 _ Vv (Direct + Delay) DRRDRDL Pin 38~Pin 18 0.9 1.2) -3. -2. . Frequency Response (Direct) FRBDR _ {At 700 kHz 3.0 0 05 dB FRRDR At 700 kHz -3.0 | -2.0 0.5 FRBDL At 700 kHz -8.2 |-65 | -43 Frequency Response (Dela dB quency Response (Delay) Ee At 700 kHz -82 1-65 | -43 a GBDR Pin 37~Pin 20 -2.0 |-05 |] 2.0 AC Gain (Direct dB in (Direct) GRDR Pin 38~Pin 18 201-05 | 20 i ~Pi -2.4 | -0. 1.1 AC Gain (Delay) BDL Pin 37 Pin 20 0.5 dB GRDL Pin 38~Pin 18 -2.4 | -0.5 1.1 Direct-Delay AC Gain AGBDR/DL Gppr-GBDL - 1.0 0.0 1.0 dB Difference AGRDR/DL Grpr-GRDL -1.0 0.0 1.0 TBDL Pin 37~Pin 20 63.7 | 64.0 | 64.4 1H Delay Time s x TRDL Pin 38~Pin 18 63.7 | 640 | 644| 1999-04-14 41/85TOSHIBA TB1240AN DEF stage (Unless otherwise specified, Vcc = 9V (3, 17, 28 & 52pin)/5V (36 & 46 pin), Ta = 25C) TEST CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. | TYP. | MAX. | UNIT CUIT T _ - _ AFC Inactive Period [2042] SOAFCOFF | _ Dy 3098 H 60 Hz} T6E0AFCOFF |256-10) H-OUT Start Voltage VHON D2 5.5) Vv H-OUT Pulse Duty WHOUT D3 38.5| 40.5| 42.5] % H-OUT Freq. AF OUT Freq. on AFC Stop Fuarcorr | D4 15.585|15.734|15.885| kHz Mode Horizontal Free-Run 50Hz| FHSoFR _ D 15.745] 15.625] 15.775 kHz Frequency 60Hz| FH6OFR 5 15.585|15.734| 15.885 Horizontal Freq. MAX.| FHMAX 16.500| 16.700/ 16.900 . _ Dg kHz Variable Range MIN. FHMIN 14.700] 15.000) 15.300 Horizontal Freq. Control Sensitivity BHAFC D7 2.0 2.5 3.0|Hz/mvV Horizontal Pull-In Range FHPH Dg 500| Hz FHPL 500; _ H-OUT Voltage VHOUTH | __ Dg 4.0] 4.4) 48) y VHOUTL _ 0.15) 0.30 Horizontal Freq. Dependence on Vcc AFHVCC _ Dio 20 0 20| Hz/V FBP Phase PHFRP 5 2.3[ 25[ 27] H-Sync. Phase PHHSYNC 11 02/03] o4| Horizontal Position Variable Range APHHPOS Di2 5.5 6.0 6.5] ys AFC-2 Pulse Threshold Level VAFC2 _ D413 3.3 3.5 3.7 Vv H-BLK Pulse Threshold Level VHBLK D14 0.8 1.1 1.4 Black Peak Det. Stop Period PHBPDET D 7.5 8.0 8.5 ; (H) WBPDET 15 13.0/ 13.5| 14.0| Clamp Pulse Start Phase PHcp D 2.8 3.0 3.2 ; Clamp Pulse Width Wep 16 56] 58/60] ~ Gate Pulse Start Phase PHgGp _ D 2.7 2.9 3.1 5 Gate Pulse Width Wep 7 1.8[ 2.0]. 22| Sync. Output Low Level VSYNCL Dig 0.0 0.3 0.5) V Vertical Oscillation Start Voltage VVON D19 4.7 5.0 5.3 Vv Vertical Free-Run Auto | FyYAUFR _ D 40 45 50 Hz Frequency 60Hz| Fyv6orR 20 48 53 58 Gate Pulse 50Hz| T50GPM | 308-9); . . _ D1 H V-Masking Period 60Hz| T60GPM |261-10} V.Ramp DC on Service Mode | VNovramp | D292 3.0/ 3.2] 34] v 224.5) Vertical Pull-In Range (Auto) FVPAUL FyPAUH _ Do3 353| 4 F _ 224.5) Vertical Pull-In Range (60 Hz) |P60L FVP60H 297) 1999-04-14 42/85TOSHIBA TB1240AN TEST CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. | TYP. | MAX. | UNIT CUIT Vertical Period on Fixed Ty313 313) _ Do4 H Mode Tv263 263; 50Hz| PHs5ovBLK 44 46 48 V-BLK Start Phase $ 60Hz| PH6ovBLK 44{/ 46/| ag| 50Hz| Ws5ovVBLK 7 Das 23 V-BLK Width H 60Hz| WeovBLK 21/ Picture Mute Period [294H2| Wsopm _ D26 _ [304-29] H 60Hz| Weopm |257-28; VSCPH 7.70 | 8.00 | 8.30 Sand Castle Pulse Level VscPM _ D27 4.00 | 4.30 | 4.60 V VSCPL 2.25 | 2.55 | 2.85 Vertical Ramp Amplitude VVRAMP Dog 1.50 | 1.67 | 1.83 | Vp-p Vertical AMP Gain GVAMP 22 25 28 dB Vertical AMP Max. Output Vv Level VOMAX | _ D29 25] 30] 35] Vv Vertical AMP Min. Output Vv Level VOMIN 0.0 0.3 Vv Vertical AMP Min. Output Current lVOMAX _ D39 11 14 17 mA Vertical NFB Amplitude VNFB 1.50 | 1.67 | 1.83 | Vp-p Vertical Amplitude Variable AVVRAMPH | D314 36 40 44 0% Range AVVRAMPL -44 | -40 | -36 AVLIN1 + -17 | -14]} -11 Vertical Linearity Variable AVLIN1- _ D 13 16 19 0 Range AVLIND + 32 451175 [205| AVLIN2 - -23 -20 -17 AVS1+ -14 | -12 | -10 Vertical $ Correction Variable | AVs1~ 10 12 14 D33 % Range AVS2 + -18 | -15 | -12 AVS? - 12 15 18 V-AGC Current WWAGCH | __ D34 A440 {| 980 | 660 | HA IWAGCL 100 120 140 LA Vertical Guard Voltage VvG D35 1.80 | 2.00 | 2.20 Vv BGP Phase ABGP _ D326 1.45 1.50 1.55 us 1999-04-14 43/85TOSHIBA TB1240AN Deflection collection stage (EW correction) TEST CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. | TYP. | MAX. | UNIT CUIT Vertical Amplitude EHT V D 4 0 Correction EHT 37 > 6 % E-W MAX. DC (Picture Width) V35H > 49) 5.0) 5.1) Vv 38 E-W MIN. DC . . Vv _ 2.7 . 2 V (Picture Width) 35L >} 30 | 3.25 E-W MAX. Parabolic Correction (Parabola) VPBH 7 D39 0.9 1 13 | Vp-p E-W Corner Correction (Corner) VCR _ Dao 0.31 0.4 0.49 | Vp-p E-W Trapezium Correction VTR _ D441 5.2 | 6.5 | +7.8 % E-W Parabolic EHT Correction | Veyp Da? 4.0 6.0 8.0 % E-W DC EHT Correction VEHD _ D43 0.32 0.4 | 0.48 Vv E-W Amplifier Output R _ D 1 12 OD Resistance EW 44 80 00 0 1999-04-14 44/85TOSHIBA TB1240AN TEST CONDITION PIF stage (Unless otherwise specified, Vcc = 9V (3, 17, 28 & 52pin)/5V (36 & 46pin), Ta = 25C) NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a 38.9 MHz, 90dByzV, 87.5% modulated while signal into Pin 6. (2) Adjust PIF VCO so that the AFT voltage is 2.5V. (3) Measure the amplitude of PIF det. output PIF Det. Output Level |RF AGC : except 0 at Pin 47 (Vj; Pol : 0), that is "VpET975". ep, |/YDET875 PIF VCO: adjust (4) Input a 38.9MHz, 90dByV, 87.5% /VDETLS Vj; Pol : 0/1 modulated L-SECAM white signal into Pin 6. VDET110 Others : Preset (5) Measure the amplitude of PIF det. output at Pin 47 (Vj Pol : 1), that is VpETLS"- (6) Input a 38.9MHz, 90dBeV, 110% modulated white signal into Pin 6. (7) Measure the amplitude of PIF det. output at Pin 47 (Vj Pol : 0), that is VpeET110"- (1) Input a 38.9 MHz, 90 dBuV, 87.5% modulated white signal into Pin 6. (2) Adjust PIF VCO so that the AFT voltage is PIF Input 25V nensvty (3) Decreasing the IF input level, measure the PIFINMIN ; ; / EPIFINMAX RF AGC : except 0 input level at which PIF det. output . amplitude turns to be -3dB against P2 PIF VCO: adjust on u Others : Preset VDET875 that is Ep|FINMIN - (4) Increasing the IF input level, measure the IF AGC Range input level at which PIF det. output amplitude turns to be -0.5dB against / AEIFAGC on " VDET875 that is EpiFINMAX- (5) Calculate ; "AE|FAGC = EPIFINMAX ~ EPIFINMIN PIF Det. Sync. Tip (1) Input a 38.9 MHz, 90 dBxV, non-modulation Level signal into Pin 6. iV RF AGC : except 0 (2) Adjust PIF VCO so that the AFT voltage is p3 SYNC PIF VCO: adjust 2.5V. L-SECAM White Vj; Pol : 0/1 (3) Measure the bc level at Pin 47 (Vj Pol : 0), Others : Preset that is Vsync"- Peak Level iV (4) Measure the DC level at Pin 47 (Vj Pol : 1), LSW that is Visyw.- 1999-04-14 45/85TOSHIBA TB1240AN l107 Others : Preset NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Connect Pin 6/7 to GND. Output Level for ; (2) Supply 3.0 V to Pin 9. PA No Input i aa ae (3) Measure the DC level at Pin 47 (Vj; Pol : 0), /VNOIF Others ; Preset that Is VNOIF /VNOIFLS , (4) Measure the DC level at Pin 47 (Vj Pol : 1), that is "VNOIFLS- Differential Gain (1) Input a 38.9 MHz, 90dBxV, 87.5% /DG RF AGC : except 0 modulated video signal into Pin 6. P5 PIF VCO: adjust (2) Adjust PIF VCO so that the AFT voltage is Differential Phase Others : Preset 2.5V. /DP (3) Measure "DG" & DP for Pin 47 output. (1) Input a 38.9MHz, 90 dBuV, 87.5% modulated sweep video signal into Pin 6. (2) Adjust PIF VCO so that the AFT voltage is 2.5V. PIF Output Freq. RF AGC : except 0 | (3) Measure the Pin9 DC level and fix it on P6 | Response PIF VCO: adjust /FRDET Others : Preset that value. . (4) For PIF det. output signal, measure the frequency at which the amplitude (Without sync) turns to be -3dB against the one for 10 kHz, that is FRpET (1) Input a 38.9 MHz, 90dBxV, non- modulation signal into Pin 6. S/N RF AGC : except 0 (2) nase PIF VCO so that the AFT voltage is P? /S/NpiF PIF VCO: adjust (3) Measure the amplitude of PIF det. output, Others : Preset . that is VN. (4) Calculate ; S/Npjp =20*fo0g (VpET875/ VN) (1) Input a signal composed of following 3 signals into Pin 6; 38.9 MHz/90 dB, 34.47 MHz /84dByxV Intermodulation RF AGC : except 0 33.4 MHz/84dBxuV P8 PIF VCO: adjust (2) Adjust PIF VCO so that the AFT voltage is 2.5V. (3) Adjust Pin9 voltage so that the bottom of PIF det. output is equal to Vsync- (4) Measure the 1.07 MHz level against the 4.43 MHz level (=0 dB), that is l197 1999-04-14 46/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD IF AGC Voltage PI |/VIFAGCMAX /VIFAGCMIN RF AGC : except 0 PIF VCO: adjust Others : Preset (1) Connect Pin 6/7 to GND. (2) Measure the Pin9 voltage, that is VIFAGCMAX - (3) Input a 38.9MHz, 107 dBxV, non- modulation signal into Pin 6. (4) Adjust PIF VCO so that the AFT voltage is 2.5V. (5) Measure the Pin9 voltage, that is VIFAGCMIN - RF AGC Voltage P10 |/VRFAGCMIN RF AGC : adjust PIF VCO : adjust (1) Input a 38.9 MHz, 90dBzV, non-modulation signal into Pin 6. (2) Adjust PIF VCO so that the AFT voltage is 2.5V. (3) Adjust RF AGC so that the Pin9 voltage is 4.5V. (4) Increase the IF input level to 107 dBxvV. /VRFAGCMAX Others: Preset (5) Measure the Pin 8 voltage, that is "VRFAGCMIN (6) Connect Pin6/7 to GND. (7) Measure the Pin 8 voltage, that is VRFAGCMAX. (1) Input a 38.9 MHz, 90dByV, non-modulation signal into Pin 6. (2) Adjust PIF VCO so that the AFT voltage is 2.5V. (3) Set RF AGC to 1. RF AGC Control RE AGC : 1/63 (4) Decreasing the IF input level, measure the . input level at which the Pin 8 voltage is 4.5 P11 |Range PIF VCO: adjust V, that is ERFAGCMIN. /AERFAGC Others : Preset (5) Set RF AGC to 63. (6) Increasing the IF input level, measure the input level at which the Pin 8 voltage is 4.5 V, that is ERFAGCMAX: (7) Calculate ; "AERFAGC = ERFAGCMAX ERFAGCMIN (1) Connect Pin 6/7 to GND. P12 Voltage RF AGC : except 0 (2) Supply 3 V to Pin 9. Others : Preset (3) Measure the Pin 4 voltage, that is /VAFTCEN VAFTCEN_- 1999-04-14 47/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD P13 AFT Voltage /VAFTMAX /VAFTMIN RF AGC : except 0 PIF VCO: adjust Others : Preset (1) Input a 38.9MHz, 90 dByeV, 87.5% modulated video signal into Pin 6. (2) Adjust PIF VCO so that the AFT voltage is 2.5V. (3) Input a 37.9 MHz, 90dBucV, 87.5% modulated video signal into Pin 6. (4) Measure the Pin 4 voltage, that is VAFTMAX- (5) Input a 39.9 MHz, 90dByucV, 87.5% modulated video signal into Pin 6. (6) Measure the Pin 4 voltage, that is VAFTMIN P14 AFT Sensitivity ! LAFT RF AGC : except 0 PIF VCO: adjust Others : Preset (1) Input a 38.9 MHz, 90dByV, non-modulation signal into Pin 6. (2) Adjust PIF VCO so that the AFT voltage is 2.5V. (3) When changing the input frequency to +20kHz, measure the change of Pin4 voltage, that is AVarrT. (4) Calculate ; arr =40/AVAFT P15 PIF VCO Control Sensitivity /BIFVCO RF AGC : except 0 PIF VCO: adjust Others : Preset (1) Input a 38.9MHz, 90 dBxzV, non- modulation signal into Pin 6. (2) Adjust PIF VCO so that the AFT voltage is 2.5V. (3) Measure the Pin 48 voltage, that is VLOOP389- (4) Input a 38.7 MHz, 90dByzV, non- modulation signal into Pin 6. (5) Measure the Pin 48 voltage, that is VLOOP387. (6) Calculate ; Bievco" = 0.2/(VLoOP387 - VLOOP389) P16 PIF VCO Pull-In Range /FPIFINH /FPIFINL RF AGC : except 0 PIF VCO: adjust Others : Preset (1) Input a 45 MHz, 90dByV, 87.5% modulated video signal into Pin 6. (2) Adjust PIF VCO so that the AFT voltage is 2.5V. (3) Dcreasing the input frequency, measure the frequency at which detected video signal appears on Pin 47, that is FpifiNnH (4) Input a 30 MHz, 90dBxV, 87.5% modulated video signal into Pin 6. (5) Increasing the input frequency, measure the frequency at which detected video signal appears on Pin 47, that is FpiFine P17 PIF Input Resistance Zin R (p) PIF Input Capacity /Zin C (p) All : preset (1) Remove all connections from pin6 and pin 7. (2) Measure resistance between pin6 and pin 7 by impedance meter, that is Zin R(p)", and measure capacitance of this pin by impedance meter, that is Zin c (p) 1999-04-14 48/85TOSHIBA TB1240AN SIF & audio stage (Unless otherwise specified, Vcc = 9V (3, 17, 28 & 52 pin)/5V (36 & 46pin), Ta = 25C) NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a 5.5 MHz, 90dByzV FM signal (Modulate 400 Hz with 50 kHz deviation) into Pin 53. (2) Measure the output amplitude at Pin 2, that is Vayacsp. (Au Gain : 0, AF-G : 0) (3) Input a 4.5 MHz, 90dBzV FM signal FM Det. Output Level iV Au Gain =: 0/1 (Modulate 400 Hz with 50 kHz deviation) $1 iy coe AF-G -O/1 into Pin 53. AUACAP Others : Preset (4) Measure the output amplitude at Pin 2, /VAUACAN that is Vayacap. (Au Gain : 0, AF-G : 0) (5) Input a 4.5 MHz, 90 dByzV FM signal (Modulate 400 Hz with 25 kHz deviation) into Pin 53. (6) Measure the output amplitude at Pin 2, that is VaUAcAN". (Au Gain : 1, AF-G : 1) (1) Input a 5.5 MHz, 90dByV FM signal (Modulate 400 Hz with 50 kHz deviation) into Pin 53. (2) Measure the distortion of Pin 2 output, Audio Distortion All : Preset that is DaupIoP". /DauDIO (3) Input a 4.5 MHz, 90 dBzV FM signal (Modulate 400 Hz with 25 kHz deviation) into Pin 53. (4) Measure the distortion of Pin 2 output, that is "DaUDION. (1) Input a 5.5 MHz, 90dBuV non-modulation signal into Pin 53. (2) Measure the output amplitude at Pin 2, that is VNOAUACP- (3) Calculate ; Audio $/N "S/NsjfP" = 20*f0g (VAUAC5P/ VNOAUACP) $3 /S/ Nip All : Preset (4) Input a 4.5 MHz, 90dBuV non-modulation signal into Pin 53. (5) Measure the output amplitude at Pin 2, that is VNOAUACN- (6) Calculate ; S/NsiFN = 20*fog (VAUACSP/ VNOAUACN) $2 1999-04-14 49/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD AMR s4 / AMR All : Preset (1) Input a 5.5 MHz, 90dBruV AM signal (Modulate 400 Hz with 30%) into Pin 53. (2) Measure the output amplitude at Pin 2, that is VAMAU- (3) Calculate ; AMR = 20*fog (Vauacsp/VAMAU) Limiting Sensitivity $5 /ELIM All : Preset (1) Input a 5.5 MHz, 90dByzV FM signal (Modulate 400 Hz with 50 kHz deviation) into Pin 53. (2) Decreasing the input level, measure the input level at which Pin 2 output amplitude turns to be -3dB against Vayacsp. that is ELIM- Band Width (5.5 MHz/ PAL) /FAUHS5P /FAULSP $6 All : Preset (1) Input a 5.5 MHz, 90dByzV FM signal (Modulate 400 Hz with 50 kHz deviation) into Pin 53. (2) Increasing the input frequency, measure the frequency at which Pin 2 output turns to be -3dB against Vayacsp. that is "FayHsp- (2) Decreasing the input frequency, measure the frequency at which Pin2 output turns to be -3dB against Vayacsp. that is "FauL5p"- Band Width (4.5 MHz/ NTSC) /FAUHAN /FAULAN $7 Au Gain AF-G Others : 1 | : Preset (1) Input a 4.5 MHz, 90dByzV FM signal (Modulate 400 Hz with 25 kHz deviation) into Pin 53. (2) Increasing the input frequency, measure the frequency at which Pin 2 output turns to be -3dB against Vayacan. that is FAUHAN.- (3) Decreasing the input frequency, measure the frequency at which Pin 2 output turns to be -3dB against Vayacan. that is FAULAN"- 1999-04-14 50/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a 38.9MHz, 85dBy continuous wave into pin6, 33.4MHz, 75dBy continuous wave into pin 4. (2) Measure the amplitude of the waveform at pin 55, that is vO2ndIF. (3) Increasing the amplitude of Input signal, measure the amplitude of waveform at pin 55 that is +3 [dB] up from vO2ndIF, that Is Vin MAX (S) (4) Increasing the amplitude of Input signal, SIF MAX. measure the amplitude of waveform at pin Permissible Input 55 that is 3 [dB] down from vO2ndlF, that $8 Vin MAX (S) All : Preset Is Vin MIN (S) " (5) RaGc (s) = Vin MAX (S) - Vin MIN (S) SIF AGC Range /RAGC (s) voss} +3 [dB] VO2ndIF 3 [dB] t RAGC (s) Yin min(s) 75 [dBeV]_ Yin max (s) Input Amplitude SIF Input Resistance (1) Remove all connections from pin 4. /Zin R(s) (2) Measure resistance between pin4 and pin5 $9 All : Preset by Impedance meter, that Is Zin R (s)", and SIF Input Capacity measure capacitance of this pin by /Zin C(s) impedance meter, that Is Zin (s)"- 1999-04-14 51/85TOSHIBA TB1240AN Video stage (Unless otherwise specified, Vcc = 9V (3, 17, 28 & 52pin)/5V (36 & 46pin), Ta = 25C) NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a white signal with sync into Pin 43 Y Input Dynamic Uni-Color : 32 & 39. P y Brightness : 0 (2) Increasing the Pin 39 input amplitude, V1 Range . . /DR Color : 0 measure the amplitude (include sync) at Y Others : Preset which the Pin 18 output is clipped, that is DRY. Y Input Pedestal (1) Input a composite sync signal into Pin 43. v2 |Clamp Voltage All Preset (2) Connect Pin 39 to GND via a 1 4F capacitor. ivy 9 (3) Measure the DC Voltage at Pin 39, that is c VYCLP"- (1) Input a 2T pulse with sync into Pin 43 & Y Delay Time Uni-Color : 63 39. V3 it y Color : 0 (2) Observe the Pin 18 output, measure the YDEL Others : Preset delay time between Pin 39 and Pin 18, that is tYDEL - Brightness . (1) Input a OIRE black signal with sync into Pin Characteristics iV 43 & 39. yen Brightness : 0/64/127 | (2) Measure the DC level of picture period at V4 Hee TCEN Color : 0 Pin 18 for Brightness : 127/64/0, that is BRIMIN Others : Preset *"VBRTMAX /"VBRTCEN /"VBRTMIN- Brightness Data Sensitivity (3) Calculate ; "AV "=(V -V 127 /AVBRT BRT = (VBRTMAX VBRTMIN)/ (1) Input a 50 IRE (0.357 V) white signal with sync into Pin 43 & 39. Uni-Color (2) Measure the output picture amplitude at Characteristics for Y Uni-Color : 0/32/63 Pin 18 for Uni-Color 63/32/0, that is V5 |/GUCYMAX Color : 0 VUCYMAX/ VUCYCEN \VUCYMIN- /GUCYCEN Others : Preset (3) Calculate ; /GUCYMIN "GUCYMAX = 20*f0g9 (VucyMAXx/ 0.357) GUCYCEN = 20*fog (VucYCEN/ 90.357) "GUCYMIN = 20*fog (VUCYMIN/ 0.357) (1) Input a 50 IRE white signal with sync into Pin43 & 39. ; (2) Measure the output picture amplitude at Sub-Contrast Sub-Contrast 0/8/15 Pin 18 for Sub-Contrast 15/8/0, that is Characteristics -_ VscONMAX/ VSCONCEN/ VSCONMIN- V6 Uni-Color : 63 ! GSCONMAX Color 0 (3) Calculate ; / GSCONMIN GSCONMAX" Others : Preset = 20*f0g (VscONMAX/ VSCONCEN) GSCONMIN = 20*fog (VSCONMIN/ VSCONCEN) 1999-04-14 52/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD . Sharpness : 63 (1) Input a 0.5 Vp-p sweep signal with sync into V7 sharpness Peaking Uni-Color : 63 Pin 43 & 39. iE quency Color : 0 (2) Measure the frequency at which the Pin 18 SHP Others : Preset output amplitude is Max., that is Fsyp. (1) Input a 0.5 Vp-p sweep signal with sync into Pin 43 & 39. (2) Measure the output picture amplitude for Sharpness Control Sharpness : 0/32/63 100 kHz at Pin 18, that is VSH100k- Characteristics . (3) Measure the output picture amplitude for Uni-Color : 63 . V8 |/GSHMAX Color 9 Fsyp when Sharpness is max., center and / GSHCEN min., that is VSHMAxX. VSHCEN and VsHMIN.- Others : Preset /GSHMIN (4) Calculate ; "GSHMAX = 20*f0g (VSHMAX/ VSH100k) GSHCEN = 20*fog (VSHCEN/ VSH100k) GSHMIN20*fog (VSHMIN/ VSH100k) (1) Input a 0.5 Vp. sweep signal with sync into , Pin 43 & 39. Uni-Color : 63 (2) Adjust Sharpness so that the output Y Frequency Response | Sharpness : Adjust . v9 amplitude for Fsyp equals Vsy100k- /FRy Color : 0 : Others - Preset (3) Measure the frequency at which the output , amplitude is 3dB down against VsH100k, which is FRy. (1) Input a 100 IRE ramp signal with sync into Pin 43 & 39. Black Expansion (2) Supply 2.4V/2.0 V to Pin 44 and observe the Start Point Pin 18 output. /VBLEX (3) Measure "Vp_ex and GpLEX. Uni-Color : 63 [Pin 18 Output] V10 Color 0 GpLeEx : Ratio of slope below Others : Preset VBLEX Black Expansion Pin da : 2.4 ~ ve AMP Gain of Bex /GBLEX | [-" Pin 4a : 2.0V (1) Input a composite sync signal into Pin 43. lack Pak een te 3c el men te V11_ | Detection Level Others : Preset . g P /AVBLPD down, that is VB_pp. (3) Calculate ; AVBLPD_= VBLPD V39 1999-04-14 53/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD Uni-Color : 63 (1) Input a 100 IRE ramp signal with sync into WPS Level Brightness : 127 Pin 43 & 39. V12 g , (2) Measure the amplitude from cut-off level /VwPs Color 10 to peak (At which output signal is clipped) Others : Preset P on n P g Ppe, that is Vyyps. (1) Input a 0.5 Vp-p, 3.58 MHz signal with sync into Pin 43 & 39. (2) Measure the 3.58 MHz amplitude at Pin 18 for Chroma Trap : 1/0, that is VTRAPON / VTRAPOFF- (3) Calculate ; i: . " un = * Chroma Trap Gain CTrap : 0/1 GTRAP358 = 20*fog (VTRAPON/ viz |/G 358 Uni-Color : 63 VTRAPOFF) G TRAP a3 Color : 0 (4) Input a 0.5 Vp-p, 4.43 MHz signal with sync TRAP Others __: Preset into Pin 43 & 39. (5) Measure the 4.43 MHz amplitude at Pin 18 for Chroma Trap : 1/0, that is VTRAPON/ VTRAPOFF- (6) Calculate ; GTRAP443" = 20*fog (VTRAPON/ VTRAPOFF) (1) Input a 100 IRE white signal with sync into Pin 43 & 39. Half T : 1 . . Half Tone UnicColan a5 (2) Measure the output picture amplitude at V14 | Characteristics for Y Color 0 Pin 18 for Half Tone : 1/0, that is VHYTYON IGHTY Others : Preset /VHTYOFF- (3) Calculate ; "GHTY_= 20*f0g (VHTYON/VHTYOFF) 1999-04-14 54/85TOSHIBA TB1240AN Chrome stage (Unless otherwise specified, Vcc = 9V (3, 17, 28 & 52pin)/5V (36 & 46 pin), Ta = 25C) NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a 4.43 MHz PAL rainbow color-bar (300 MVp.p, burst : chroma = 1 : 1) with ACC Characteristics Mute : 01 syne into Pin 43 & 45. at trv Uni-Color : 63 (2) Changing the amplitude of burst and iV eeee Others Preset chroma, measure the input amplitude at ACCL which Pin 20 output amplitude is +1dB/-1 dB against the one for 300 mVp-p input, that is "VaccH"/"VaccL- TOF Characteristics (4.43 MHz) 1 ora (1) Set C-BPF to 1 and Color System to 010. BPP Characenig (2) Input a sweep signal into Pin 45. (4.43 MHz) (3) Observe the frequency response at Pin 18 iF, TEST : 01000111 and measure the Peaking Frequency/Q of Ona. C-BPF : 0/1 chroma filter, that is FoTq43" /"QT443".- C2 TOE Chavadnisi Color. pig 494 (4) Set C-BPF to 0 and Color System to 010 and (3.58 MHz) System repeat (2) & (3), that is Fogaq3 /"Qpaq3. iF, Others : Preset (5) Set C-BPF to 1 and Color System to 101 and lone repeat (2) & (3), that is FoT358"/"Q7T359. BPP ea acenisics (6) Set C-BPF to 0 and Color System to 101 and (3.58 MHz) repeat (2) & (3), that is Fop35g /Qp352". /FQB358 /QB358 . (1) Input a 4.43 MHz, PAL rainbow color-bar r Delay Time (300 MVp-p, burst : chroma = 1 : 1) with sync CDEL Mute : 01 into Pin 43 & 45. C3 Delay Time Difference Uni-Color : 63 (2) Observe the Pin 18 output, measure the hetoen VIC Others __: Preset delay time between Pin 45 and Pin 18, that is tcDEL- fAty/ (3) Calculate ; Aty;c" = tyDEL - tcDEL (1) Input a 4.43 MHz PAL rainbow color-bar (300 mMVp-p, burst : chroma = 1 : 1) with ; sync into Pin 43 & 45. Color Characteristics ae arian (2) Measure the Pin 18 amplitude for Color 127 C4 |/GCOLMAX Uni-Color : 63 /64/0, that is VCOLMAX/ VCOLCEN / /GCOLMIN VCOLMIN: Others __: Preset (3)Calculate : "GCOLMAX" = 20*f0g (VCOLMAX/ VCOLCEN) GCOLMIN_= 20*fog (VcoLMIN/ VCOLCEN) 1999-04-14 55/85TOSHIBA TB1240AN Relative Amplitude (NTSC) /VNR/B /VNG/B NOTE ITEM / SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a 4.43 MHz, PAL rainbow color-bar (300 MVp-p, burst : chroma = 1 : 1) with Uni-Color Uni-Color : 0/63 sync into Pin43 & 45. C5 | Characteristics for C Mute : 01 (2) Measure the Pin 18 amplitude for Uni-Color /Gucc Others : Preset 63/0, that is Vyccmax and VuccMIN- (3) Calculate ; Gucc" = 20*fog (VUCCMIN/ VUCCMAX) (1) Input a 3.58 MHz NTSC rainbow color-bar (286 MVp.p, burst : chroma = 1 : 1) with sync into Pin 43 & 45. Tint Characteristics (2) Set Tint to 64 and adjust the burst phase (3.58 MHz) so that the 6th bar of Pin 20 output is /A 0358MAX maximum, that is 4358cen. /A 358MIN (3) Change Tint to 127/0 and adjust the burst Tint - 0/64/127 phase so that the 6th bar of Pin 20 output Mute 04 is maximum, that is 35gnMax/ 0358MIN- C6 . (4) Calculate ; Uni-Color : 63 H n Others _: Preset "4 6358Max" = ~(9358MAXx ~ 9358CEN) A 358MIN = -(9358MIN 9358CEN) Tint Characteristics (5) Input a 4.43 MHz NTSC rainbow color-bar (4.43 MHz) (286 MVp-p, burst : chroma = 1 : 1) with 1A 04a3Max sync into Pin 43 & 45 and repeat (2) & (3), /A 6443MIN that is @443CEN/ 9443MAX/ 4443MIN- (6) Calculate ; "A 84a3MAX" = (9443MAX - 9443CEN) "A 6443MIN" = (2443MIN 9443CEN) (1) Input a 4.43 MHz, PAL rainbow color-bar (300 mMVp.p, burst : chroma = 1 : 1) with Relative Amplitude sync into Pin 43 & 45. (PAL) (2) Measure the amplitude of Pin 18/19/20 /VpR/B output, that is Vprpout /"VpGouT / /VPG/B VPBOUT Mute : 01 (3) ceculate y ly C7 Uni-Color : 63 iyPR/B = PROUT/ VPBOUT Others _: Preset PG/B. = VPGOUT/ VPBOUT (4) Input a 3.58 MHz NTSC rainbow color-bar (286 MVp-p, burst : chroma = 1 : 1) with sync into Pin 43 & 45, then repeat (2), that is VNROUT/ VNGOUT/ VNBOUT- (5) Calculate ; VNR/B = VNROUT/ VNBOUT VNG/B_= VNGOUT/VNBOUT 1999-04-14 56/85TOSHIBA TB1240AN Relative Phase (NTSC) /ENR-B /ONG-B NOTE ITEM / SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a 4.43 MHz PAL rainbow color-bar (300MVp.-p, burst : chroma = 1 : 1) with sync into Pin43 & 45. (2) Observe the Pin 18 /19/20 output, measure the R/G/B modulation angle (Opp /Opg/ Relative Phase (PAL) Opp) accoeding following figure and / Opr-p equality. /OpG-B Mute : 01 c8 Uni-Color : 63 Others __: Preset For pp ; Peak : 3rd bar, Gor = 90 For pg ; Peak (Negative) : 4th bar, Gog = 240 For @pp ; Peak : 6th bar, gg = 0 Calculate ; @pR-B" = OpR - Opp "OPG-B" = 9pG OpB (4) Input a 3.58 MHz NTSC rainbow color-bar B (286 MVp-p, burst : chroma = 1 : 1) with sync into Pin 43 & 45, then repeat (2), that is Onr/ONG/ ONB- (5) Calculate ; "@NR-B "ONG-B OnNR - ONB = OnG - OnB 1999-04-14 57/85TOSHIBA TB1240AN APC Hold Range (3.58 MHz) /AF3APCH + /AF3APCH NOTE ITEM / SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a 4.43 MHz PAL rainbow color-bar (300 MVp-p, burst : chroma = 1 : 1) with APC Pull-In Range sync into Pin 43 & 45. (4.43 MHz) (2) Set Color System to 010 (443 PAL). /AFAAPCP + (3) For higher frequency than 4.43 MHz, /AFAAPCP - measure the burst frequency at which Pin 29 DC level changes from low to high/ from high to low, that is Faapcp + / FAAPCH + - APC Hold Range (4) For lower frequency than 4.43 MHz, repeat (4.43 MHz) (2), that is Faapcp /F4apcH -- / AFAAPCH + (5) Calculate ; /AFAAPCH - AFAAPCP +" = Faapcp + 4433619 Color System : AFaapcp" = 4433619 - Faapcp- cg 010/101 "AFAAPCH + = FaapcH + 4433619 Others : Preset "AFAAPCH = 4433619 - FaapcH APC Pull-In Range (6) Input a 3.58 MHz NTSC rainbow color-bar (3.58 MHz) (286 MVp-p, burst : chroma = 1 : 1) with / AFZAPCP 4+ sync into Pin 43 & 45. /AFZApcp (7) Set Color System to 101 (358 NTSC). (8) For higher frequency than 3.58 MHz, repeat (2), that is Faapcp 4 /F3apcH+- (9) For lower frequency than 3.58 MHz, repeat (2), that is Fzapcp /F3apcH-- (10) Calculate ; AFZapCcP 4" = F3apcp + 3579545 AF3apcp" = 3579545 Faapcp- "AFZAPCH + = F3APCH + 3579545 AFZAPCH " = 3579545 - FzapcH 1999-04-14 58/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Connect Pin 45 to GND via a 1 wF capacitor. (2) Set Color System to 010 (443 PAL). (3) Adjust Pin 10 voltage so that the Pin 29 output frequency is 4.433619 MHz, that is APC Control VAAPCCEN: Sensitivity (4.43 MHz) (4) Measure the Pin 29 output frequency when / 443 Pin 10 voltage is VAAPCCEN + 100 mV/ VAAPCCEN 100 mV, that is Faapc + / FAAPC -- Color System : (5) Calculate ; C10 010/101 "Baa3 = (Faapc + Faapc )/200 Others : Preset | (6) Set Color System to 101 (358 NTSC). (7) Adjust Pin 10 voltage so that the Pin 29 output frequency is 3.579545 MHz, that is APC Control V3APCCEN- Sensitivity (3.58 MHz) (8) Measure the Pin 29 output frequency when /B358 Pin 10 voltage is V3apccen + 100 mV/ V3APCCEN 100 mV, that is F3apc + / F3APC -- (9) Calculate ; "2358" = (F3apc + F3apc )/ 200 PAL ID Sensitivity (1) Set ID SW to 0. (Normal Mode) (2) Set Color System to 010 (443 PAL). /VPALIDON (3) Input a 4.43 MHz PAL rainbow color-bar / VPALIDOFF (300 MVp-p, burst : chroma = 1: 1) with PAL ID Sensitivity a) oe into Pin : & 45. tug hich Pi (Low Mode) ID sw 0/1 (4) Measure the burst amplitude at w ic in 29 DC level changes from low to high / /VPALIDLON Color System : from high to low, that is V "iy c11_ (LVPALIDLOFF 010/101 "VpALIDOFF ' PALIDON itivi M : 01 NTSC " oe Wei color 3 (5) Set Color System to 101 (358 NTSC). (Normal Mode) Other preset | (6) Input a 3.58 MHz NTSC rainbow color-bar /VNTIDON (286 MVp-p, burst : chroma = 1 : 1) with /VNTIDOFF sync into Pin 43 & 45, and repeat (3), that NTSC ID Sensitivity is "VNTIDON /"VNTIDOFF- (Low Mode) (7) Set ID SW to 1, repeat (2) ~ (6), that is /VNTIDLON VPALIDLON: VPALIDLOFF VNTIDLON. /VNTIDLOFF VNTIDLOFF- - (1) Input a 4.43 MHz PAL color-bar (300 mVp-p, burst : chroma = 1 : 1) with sync into Pin ID Output Level 43 & 45. C12. |/VIDH All : Preset (2) Measure the center DC level of Pin 29 /VIDL output, that is VipH- (3) Connect Pin 45 to GND via a 1yF capacitor and repeat (2), that is Vip.. 1999-04-14 59/85TOSHIBA TB1240AN NOTE ITEM / SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a 4.43 MHz NTSC color-bar with sync into Pin 43 & 45. SECAM ID Det. (2) cspacitor. 37/38 to GND via a 0.1 AF C13 renen All: Preset (3) Pulling the current out of Pin 29, measure SECAM the current at which a demodulated output signal disappears at Pin 20, that is ISECAM - (1) Input a PAL color-bar with sync into Pin 43 & 45. SECAM ID Det. (2) ssoaciter 37/38 to GND via a 0.1 uF 14 renee (Strong) All: Preset (3) Pulling the current out of Pin 29, measure SECAM-S the current at which a demodulated output signal disappears at Pin 20, that is ISECAM-S. - fsc Continuous Wave CW SW : 1 Measure the amplitude of Pin 29 output, that 15_ | Output Level Others : Preset is Vew" /Vcw , CW - Sub-Carrier Remain on (1) (oo mV. burst PA rainbow oN ath RGB Output Mute : 01 aa OO ci6 liv Uni-Color : 63 sync into Pin 43 & 45. Weer Others Preset (2) Measure the amplitude of 4.43 MHz signal Voce at Pin 18/19/20, that is Voc /"Vscg" / "Vscp- (1) Input a 4.43 MHz PAL rainbow color-bar Half Tone : 1 (300 mVp-pr burst : chroma = 1 : 1) with Half Tone Mute 01 sync into Pin 43 & 45. C17 +| Characteristics for C . (2) Set Half Tone to 1 and measure the Uni-Color : 63 . . . /Gutc amplitude of Pin 20 output, that is VppHTc. Others : Preset (3) Calculate ; GHTCc = 20*fog (VpBHTC/ VPBOUT) en Frequency Color system (1) Measure the output frequency at the Pin 29 C18 lee : 101/010/ for the mode of the color system : 3.58 lion 011/100 NTSC (101) / 4.43 PAL (010) / M-PAL (011) / N- fon Others : Preset PAL (100), that is /f93/fo4/fom/ fon- 1999-04-14 60/85TOSHIBA TB1240AN Text stage (Unless otherwise specified, Vcc = 9V (3, 17, 28 & 52 pin)/5V (36 & 46 pin), Ta = 25C) NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD V-BLK Pulse Output Level (1) Input a composite sync signal into Pin 39, /VVBLK 43 & 45. m H-BLK Pulse All : Preset (2) Measure the DC level of V/H blanking Output Level period at Pin 20, that is VypLk" /"VHBLK- /VHBLK RGB Output Black (1) Input a OIRE Y signal with sync into Pin 39, T2 |Level (OIRE DC) Color :0 43 & 45. iV Others : Preset (2) Measure the DC level of picture period at BLACK Pin 20, that is "VgLack- RGB Output White Uni-Color : 63 (1) seas eas Y signal with sync into Pin T3_ | Level (100 IRE AC) Color (0 (2) Measure the amplitude from 0 to 100 IRE /VWHITE Others : Preset P at Pin 20, that is VyHITE- Cut-Off Voltage Variable Range B Cut Off : 0/255 (1) Input a OIRE Y signal with sync into Pin 39, 43 & 45. (2) Measure the DC level of picture period at Pin 20 for B Cut-off : 255/0, that is T4 Color : 0 FANCUT + VCUTMAX / VCUTMIN- Others : Preset /AVCUT- (3) Calculate ; AVCUT +" = VCUTMAX ~ VBLACK "AVcuT = = VCUTMIN ~ VBLACK (1) Input a 100IRE Y signal with sync into Pin 39, 43 & 45. Drive Control Variable |B Drive : 0/127 (2) Measure the amplitude from 0 to 100 IRE 5 Range Uni-Color : 63 at Pin20 for B drive 127/0, that is /Gprt Color : 0 VpRMAxX/ VDRMIN- /GprR- Others _ : Preset (3) Calculate ; GpR+ = 20*fog (VDRMAX/ VWHITE) "GprR-" = 20*fog (VpRMIN/ VWHITE) (1) Input a 100IRE Y signal with sync into Pin 39, 43 & 45. Beet control Voltage (2) Decreasing the Pin 21 voltage, measure the iV g ABL Gain : 11 voltage at which Pin 20 output begins / 16 Weoce Uni-Color : 63 stops decreasing, that is VapcLH / ABCLL Color : 0 VABCLL"- ACL Gain Others __: Preset (3) Measure tne memam amplitude of Pin 20 utput, i . /GACL p ACLMIN (4) Calculate ; GacL = 20*fog (VacLMIN/ VWHITE) 1999-04-14 61/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a OIRE Y signal with sync into Pin 39, 43 & 45. (2) For ABL Point 00/01/10/11, decreasing . ABL Start Point : the Pin 21 voltage, measure the voltage the Vabieo Point -00/01/10/11) voltage at which Pin 20 output begins 17 |/Vapipt ABL Gain : 11 decreasing, that is Vapi1/VABL2/VABL3/ /VABLP2 Uni-Color : 63 VABL4- /VABLP3 Color : 0 (3) Calculate ; Others : Preset VABLPO = VABL1 VABCLH VABLP1" = VABL2 - VABCLH VABLP2 = VABL3 VABCLH VABLP3 = VABL4 VABCLH (1) Input a OIRE Y signal with sync into Pin 39, 43 & 45. (2) For ABL Gain 00/01/10/11, measure the ABL Gain ABL Gain : DC level of picture period at Pin 20 when /VABLGO 00/01/10/11 Pin 21 voltage is Vapc_i, that is Vapis/ T8 |/VaABLG1 Uni-Color : 63 VaBie/ VABL7/ VABL8- /VABLG2 Color : 0 (3) Calculate ; /VABLG3 Others _: Preset VABLGO = VABL5 VBLACK VABLG1" = VABL6 VBLACK VABLG2 = VABL7 VBLACK VABLG3 = VABL8 VBLACK (1) Input a composite sync signal into Pin 39, 43 & 45. (2) Supply 2 V to Pin 13. (3) Input a signal of following figure into Pin 16. Analog RGB Dynamic 1 Ho T9 |Range RGB Contrast : 32 PIN 43 [_ Others : Preset /DRTx / / /\ / / /\ PIN 16 (4) Increasing the amplitude of Pin 16 input, measure the amplitude at which the Pin 20 amplitude stops increasing, that is DRT. 1999-04-14 62/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a composite sync signal into Pin 39, 43 & 45. Analog RGB 3) inwat a signal of NOTE : Tg figure into Pin Contrast Control 16. , T10 Gene RGB Contrast : 32 (4) For RGB Contrast 63/32/0, measure the Others : Preset amplitude of Pin 20 output, that is TOIXCCEN VTXCMAX/ VTXCCEN/ VTXCMIN- /GTXCMIN (5) Calculate ; GTXCMAX" = 20*fog (VTXCMAX/ 0.2) "GTXCCEN = 20*f0g (VTxccEN/0.2) GTXCMIN = 20*fog (VTXcMIN/0.2) Analog RGB (1) Supply 2 V to Pin 13. Brightness Control (2) Connect Pin 16 to GND via a 0.1F THI Characteristic Brightness : 0/64/ 127 capacitor. /VTXBRMAX Others : Preset (3) For Brightness 127/64/0, measure the DC /VTXBRCEN level of picture period at Pin 20, that is /NVTXBRMIN "VTXBRMAX /"VTXBRCEN /"VTXBRMIN - (1) Input a composite sync signal into Pin 39, 43 & 45. Analog RGB Mode RGB Contrast : 32 (2) Input a signal of NOTE : Tg figure into Pin T12 | Switching Level 16. IVys Others : Preset (3) Increasing the Pin 13 voltage, measure the voltage at which the signal inputted into Pin 16 appears at Pin 20, that is Vys. (1) Input a 50IRE Y signal with sync into Pin 39, 43 & 45. (2) Connect Pin 16 to GND via a 0.1 uF capacitor. (3) According to following figure, measure the Analog RGB Mode Transfer Characteristic 1H Analog RGB Mode 20 us 20 ns 20 us 20 ns | Transfer Characteristic | __.. T13 IPRs All : Preset meus Signe 50% -----------4 -f-----------\-}----------- itFys /tPFys tPRYS tPFys 100% ~Loo _ 90% TOT TTT Nl ae 50% ------- enna iV foie 10% 2=-eeeneenes | \enneneneny f.j--------- Bas Eat 1999-04-14 63/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a composite sync signal into Pin 39, 43 & 45. (2) Connect Pin 39 to GND via a 1 yF capacitor. (3) Input a signal of following figure into Pin 16. 1H Cross Talk from Uni-Color : 63 Pin 43 T14 | Analog RGB to TV RGB Contrast : 63 /CTTX-TV Others : Preset Pin 16 (4) Measure the amplitude of 4MHz signal at Pin 20, that is VTx-Ty. (5) Calculate ; "CTTx-Ty = 20*f0g (VTx-Ty/0.5) (1) Input a 4MHz, 0.5 Vp-p Y signal with sync into Pin 39, 43 & 45. (2) Connect Pin 16 to GND via a 0.1 uF Cross Talk from TV to Analog RGB Uni-Color : 63 capacitor. . T15 ICT Ty-1x RGB Contrast : 63 (3) Supply 2 V to Pin 13. Others : Preset |(4) Measure the amplitude of 4 MHz signal at Pin 20, that is VTy-Tx. (5) Calculate ; "CTTyv-Tx = 20*f0g (VTy-Tx/0.5) RGB OUTPUT (1) Input a 4.43 MHz, PAL rainbow color-bar AMPLITUDE Mute :01 (300 mMVp-p, burst : chroma = 1 : 1) with T16 |/VROUT Uni-Color : 63 sync into pin 39, 43 & 45. /VGOUT Others : Preset |(2) Measure the amplitude of pin 18/19/20 /VBOUT output, that is / VpgutT/VGouT/VBOUT- (1) Connect Pin 29 to GND via a 5.1k) resistor. SECAM Black (2) For B-Y/R-Y Black Adj. : 8, measure the DC Level Adj. level of picture period at Pin 20/18, that is Characteristics VSECBCEN / VSECRCEN- /VSECBMAX (3) For B-Y Black Adj. : 0/15, measure the DC /VSECRMAX Color System : 111 level change of picture period against /VSECBMIN B-Y Black Adj : VSECBCEN at Pin 20, that is VsecBMIN / T17_ |/VSECRMIN 0/8/15 VSECBMAX - R-Y Black Adj : (4) For R-Y Black Adj. : 0/15, measure the DC SECAM Black 0/8/15 level change of picture period against Level Adj. VSECRCEN at Pin 18, that is VsECRMIN* / Data Sensitivity "VSECRMAX - /AVSECB (5) Calculate ; /ANSECR AVSECB = (VSECBMAX ~ VSECBMIN)/ 16 "AVSECR_= (VSECRMAX_ VSECRMIN)/ 16 1999-04-14 64/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a sin wave (0.3 Vp-p, 100 kHz) without SECAM Black level _| SE Adj 4 sync into Pin 39, 43 & 45. alignment mode gain | Mute - 00 (2) Measure the amplitude of Pin 18/20 T18 /GBs Color System : 111 output, that is Vrouts/ VBOUTS- /Grs Others : Preset (3) Calcurate ; Gps = 20*f0g (VRpguTs/ 0.3) Gps = 20*fog (VpguTs/0.3) (1) Input a composite sync signal into Pin 39, SECAM Black level RGB Contrast : 32 43 & 45. alignment mode SE Adj 4 (2) Input a signal of Note : T9 figure into T19 |Analog RGB mode J Pin 16. Color System : 111 . . SW level Others - Preset (3) Increasing the Pin 13 voltage, measure the iVYsS voltage at which the signal inputted into Pin 16 appears at Pin 20, that is Vyss. (1) Input a composite sync signal into Pin 39, 43 & 45. (2) Input a signal of Note : T9 figure into Half tone mode SW Pin 16. level Half tone : 0 (3) Increasing the Pin 13 voltage, measure the 720 /VYM1 RGB Contrast : 32 voltage at which the picture portion Half tone = Analog Ym enb :1 amplitude at pin 20 starts changing, that is RGB mode SW level Others : Preset Vymi1"- /VymM2 (4) Increasing the Pin 13 voltage further, measure the voltage at which the signal inputted into Pin 16 appears at Pin 20, that is "Vym2- (1) Input a 5OIRE Y signal with sync into pin 39, 43 & 45, a signal as the figure below into Pin 13. (2) Connect Pin 16 to GND via a 0.1 F capacitor. Half tone mode (3) According to following figure, measure the transfer characteristic Half tone Mode transfer characteristic / Half icRy M1 tone <= Analog RGB mode transfer characteristic. /tPRym1 /TFYM1 } 1H /tPFyyit Half tone : 0 PINTS | Pa 20 ys T21 |Half tone<+Analog | Ym enb 4 pout Sianal moor 13 20 ns 20ns RGB mode transfer Others : Preset een pee 2Vv characteristic 50% eee eee eee eens ee bees eee eee 6v) /cR PRN PIN 16 OV YM2 Output Signal at Pin 18 tPFyyi4 (1.5 V) /tFYM2 tPRymt (tPF ya) / tPF (tPRyM2) YM YM2 100% Slabs cece eee eee eee eabees 90% ee Me ee eee 50% 10% wee \ f : 0% tRYM1 = me cy (cFymi2) (cFymi2) ( ): Half tone @ Analog RGB made sw level 1999-04-14 65/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a OIRE black signal with sync into Pin Brightness : 32 39, 43 & 45. RGB output voltage Uni-color : 63 (2) Measure the DC level of picture period at T22 | Axes difference . TAY Color : 0 Pin 18/19/20. bet Others : Preset |(3) Find maximum axes difference, that is "AVbct- (1) Input a sin wave (0.3 Vp-p, setup = 0.3 V) with sync into Pin 39, 43 & 45. RGB output amplitude (2) Measure the amplitude of Pin 18/19/20 T23 | Axes difference Mute : 00 1 AN output. a (3) Find maximum axes difference, that is "AV a". 1999-04-14 66/85TOSHIBA TB1240AN DEF stage (Unless otherwise specified, Vcc = 9 V (3, 17, 28 & 52 pin)/5V (36 & 46 pin), Ta = 25C) NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD AFC Inactive Period (1) Input a 50 Hz/60 Hz composite sync signal bi |/T All : Preset into Pin 43. Teen (2) Measure "T5qarcOFF /"T60AFCOFF at Pin 60AFCOFF AQ. (cf. Fig.D1) (1) Let Pin 3/17/52/36/46 be open. D2 H-OUT Start Voltage All Preset (2) Increasing Pin 28 voltage, measure the /VHON voltage at which H OUT pulse appears at Pin 32, that is "VHON- (1) Measure tyoyutT1 & tyouT2 at Pin 32. H-OUT Pulse Duty tHOUTI tHOUT2 D3 All : Preset !/WHOUT (2) Calculate ; WHOUT = tHouT1/(tHouT1 + tHOUT2) *100 H-OUT Freq. on AFC . (1) Input a 50 Hz composite sync signal into p4_ |stoo Mode AFC Gain : 11 Pin 43. IF P Others _: Preset (2) Measure the H OUT frequency at Pin 32, HAFCOFF that is FHAFCOFF- Hori | Free-R orizonta! Free-Run For V-Freq 10/11, measure the H OUT ps | Frequency V-Freq : 10/14 frequency at Pin 32, that is "F "y /FHS50FR Others : Preset Fueorn , H50FR /FH6OFR (1) Connect Pin 40 to Vcc via a 10kQ and Horizontal Freq. measure the H OUT frequency at Pin 32, Variable Range that is Funyiax. De) Fumax All : Preset (2) Connect Pin 40 to GND via a 68kQ and /FHMIN measure the H OUT frequency at Pin 32, that is FHMin- (1) Measure the Pin 40 voltage at which H OUT frequency is 15.734 kHz, that is VH15734- Horizontal Freq. (2) Measure the H OUT frequency when Pin 40 D7 | Control Sensitivity All : Preset . 1B voltage is VH15734 + 50 mMV/VH715734 - 50 HAFC mV, that is FHHIGH/ FHLOW.- (3) Calculate ; "BHAFC_= (FHHIGH FHLOW)/ 100 1999-04-14 67/85TOSHIBA TB1240AN H-Sync. Phase /PHHSYNC NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a composite sync signal into Pin 43. (2) Decreasing the horizontal frequency from 17 kHz, measure the frequency at which H OUT synchronized with Sync Out (Pin 31), Horizontal Pull-in that is Fypy. Range (3) Increasing the horizontal frequency from 14 D8 All : P t . /AFHPH res kHz, measure the frequency at which H / AF WPL OUT synchronized with Sync Out (Pin 31), that is Fp. (4) Calculate ; AFUpy = Fupy 15734 AFupL = 15625 Fup. H-OUT Voltage hat "Vino" level of H OUT at Pin 32, DS Hy nOUTH All: Preset (2) Measure the Low level of H OUT at Pin 32, Horizontal Freq. is 85/95, thet s Ever /Puvecl: D10 |Dependence on Vcc_ |All : Preset : ~ HVCCHTTHVCCL- /AFyVcc (2) Calculate ; AFHvec = (FHvVCCH FHvcct)/1 (1) Input a composite sync signal into Pin 43. (2) According to the following figure, measure FBP Phase PHrpp & PHHSYNC"- /PHFBp Sync In a 0.25V D11 All : Preset (#43) af2 H.AFC (#40) PHHSYNC FBP IN (#30) 1999-04-14 68/85TB1240AN TOSHIBA 69NVOVZLEL 1a bi4 pe SBA Hdz H9e Hse Hee HEZ Hee Hie Noe WL Het Hab W9h HSL Hee WEL Hee 1a HoOL H6 H@ HZ Ho HS He Ht H HL | HEge Hg HI9Z HOY HOST lal UaAZ~_ Pls!) PPO r F | | | | | | | : + __ 4409 4v094 __ : ' ' ?'! , ?r! 5 a" * * * * * leuBis Op uid SSA> HBz HLE H3z HSZ Herz HEz H2 HLe Haz H6L HeL Ht HOL HSL HL HEL Heb HIL HOL H6 HE H HO HS Hv HE H HL i mege Hig HOSZ HESE HST PI1d PPO ++ pally uang 2H 09 AdOIIV05, : : : : : : : : : i leubls Op uid 58AD Hele Hele Wile HOLE HOOF HOE H LOE PIaLY U2AZ-~ i> PIL PPO teubis ov Ud | > . * ~ + ddIOISVOS | ~ SHAD PIS!Y PPO += pidiy uang ZH OS 1999-04-14 69/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Input a composite sync signal into Pin 43. (2) Changing Horizontal Position from 0 to 31, measure APHyWpogs according to the following figure. Horizontal Position H Position : 0/31 D12 | Variable Range (00) APH Others : Preset HPOS FBP IN (#30) | =f APHupos (1F) AFC-2 Pulse (1) Input a composite sync signal into Pin 43. p13. [Threshold Level All Preset (2) Decreasing the FBP high level, measure the iV DC level at which H OUT phase changes AFC2 against Sync Out phase, that is "Varco". H-BLK Pulse (1) Input a composite sync signal into Pin 43. (2) Increasing the FBP high level, measure the D14 |Threshold Level All : Preset . . : iV DC level at which H blanking begins to HBLK work, that is VHBLK- (1) Input a composite sync signal into Pin 43. (2) According to the following figure, measure PHBPDET & WBPDET- 63.5 us Black Peak Det. Syne IN : Far 0.25V p15 | Stop Period (H) TEST : 00001000 (#43) /PHBpDpET Others : Preset W H.AFC V /WBPDET ao) h* PHBPDET 43V SCP OUT _ _ (#34) WBPDET 0.0V (1) Input a composite sync signal into Pin 43. (2) According to the following figure, measure Clamp Pulse Start PHcp & Wep. Phase 63.5 ys /PHcp TEST : 00001000 | 735)" a7 us 0.25V D16 V Position : 001 Others : Preset H.AFC V . (#40) Clamp Pulse Width /Wep PHcp Wep "| 43V SCP OUT (#34) 1999-04-14 70/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD Gate Pulse Start Phase (1) Input a composite sync signal into Pin 43. (2) According to the following figure, measure PHGp & "Wep". /VNOVRAMP /PHep 63.5 ps Syne IN 7 (#43) => 4.7 ps 0.25V D17 All : Preset H.AFC Gate Pulse Width PHGP Wor VF oy SCP OUT /Wep (#34) 6v OV Sync. Output Low (1) Input a composite sync signal into Pin 43. D18 | Level All : Preset (2) Measure the DC voltage of Sync Out low /VSYNCL level, that is VsyncL- Vertical Oscillation (1) Let Pin 3/17/52/36/46 be open. (2) Increasing Pin 28 voltage, measure the D19 | Start Voltage All : Preset . . iV voltage at which V Ramp signal appears at VON Pin 22, that is Vyon. Vertical Free-Run D20 Frequency V-Freq : 00/01 For V-Freq 00/01, measure the frequency of V /FYAUFR Others : Preset Ramp at Pin 22, that is "FyauFR /FY60FR- /FV60FR Gate Pulse V-Masking (1) Input a 50Hz/60Hz composite sync signal Period into Pin 43. D21 All : P t . /T50GPM rese (2) Measure T5gGpm/T6oGPM at Pin 34. /T60GPM (cf. Fig.D21) V.R D i amp DC on Service | ute 14 Measure the DC level of Pin 22, that is D22 |Mode Others : Preset VNOVRAMP - 1999-04-14 71/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD Vertical Pull-in Range (Auto) (1) Input a composite sync signal into Pin 43. (2) For V-Freq 00/01, increasing the input vertical period from 220H by 0.5H step, 7 VPAUL measure the period at which V OUT signal VPAUH V-Freq : 00/01 synchronized with sync out, that is D23 FYPAUL /"FyP60L- Others : Preset . . . (3) For V-Freq 00/01, decreasing the input Vertical Pull-iIn Range . . vertical period from 360H by 0.5H step, (60Hz) ; measure the period at which V OUT signal /FyP6OL . ; ; synchronized with Sync out, that is /FVYP60H mE wy me a VPAUL VP6OL - Vertical Period on p24 Fixed Mode V-Freq : 10/11 For V-Freq 10/11, measure the vertical period /Ty313 Others : Preset at Pin 34, that is "Ty263" /"Ty313"- /Tv263 V-BLK Start Phase /PHS50VBLK (1) Input a 50 Hz/60 Hz composite sync signal /PH60VBLK into Pin 43. B25 TV-BLK Width All ; Preset (2) Measure T5garcorr/T6E0AFCOFF at Pin /WSOVBLK 40. (cf. Fig.D25) /W60vBLK (1) Input a 50 Hz/60 Hz composite sync signal into Pin 43. (2) According to a following figure, measure Weopm /"Weopm"- - ae Mute Period TEST = 00001000 I S0PM Others : Preset | \ 43V /Weopm 2.6V [* Wsopm- Weopm OV 1999-04-14 72/85TB1240AN TOSHIBA NVOPZLEL leubls pe ud SHAD HZ HL J HESe Hz9z Hise Hoge PIaly UaAZ pia!y PPO 18S PE Ud SAD Hz9z Hi9z HO9Z HOST HEST 2H09 yeuBls VE ld SAD i nete vHCTEE FILLE HOLE HOOE HBOE HOE jeuBss ye vid SAAD PI8H PPO + play vaag ZH OS 1999-04-14 73/85TB1240AN TOSHIBA vNVOPTLEL szq B) WIAATI pp, : 1eubis pe uid : : i WIAD gw : PLLA TLL cans H8 HL Hg HS HP HE He HL [Hee He9e Hise Hose HESe Pla!d Van} > pled PPO teUBis PE Uld cL) Haz Itigz HO9ZT HEST HESZ ZHO9 reuBis pe Utd S9A2 [HELE H2LE HLLE HOLE H6OE HBDE HLOE Pldld U3AZ =i platy PPO [eUBis pe ug : : i W1BAOS Hae : : LOLCUINAL ss H9z HSZ He HEZ H7Z HtZ HOZ H6tL HR Hel HSL HSL Hel HEE HZL HEL HOL HE HE HL HO HS He HE HZ Ht :HZLE HELE HOLE H6OE HOE H LOE Play PRO-<+i- plaid uaaq ZHOS 1999-04-14 74/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD Sand Castle Pulse Measure Vgcpy /"Vscpm"/"VscpL at Pin 34. Level VscPH D27 |/VscPH All : Preset VscPM /VScPM /VSCPL VscPL Vertical Ramp . . p28 | Amplitude All - Preset Meavure the V Ramp amplitude at Pin 22, that (1) Let Pin 24 be open. Vertical AMP Gain (2) Changing the Pin 23 DC voltage, measure !GVAMP Vvomax" /VVoMIN" /"GvaMP according to a following figure. Vertical AMP Max. #23 DC D29 Output Level All : Preset /WVOMAX VVOMAX eee eee eee AV = SVAMP A Vertical AMP Min. = 20 fog (AV #23 / AV #24) Output Level y /VVOMIN VOMIN #24 DC Vertical AMP Max. (1) Supply 7V to Pin 23. D30 | Output Current All : Preset (2) Measure the Current from Pin 24 to GND, D31 Vertical Amplitude Variable Range /IVWOMAX that is lyomax- (1) Measure the amplitude of NFB V Ramp at Vertical NFB Pin 23, that is VNFR. Amplitude (2) Measure the amplitude of NFB V Ramp at /VNFB Pin 23 for V-Size 0/63, that is VNFRMIN/ V Size : 0/32/63 Others : Preset /AVVRAMPH VNFB* 100 / AVVWRAMPL AVVRAMPL = (VNFBMIN VNB) / VNEB*100 VNFBMAX- (3) Calculate ; AVVRAMPH = (VNFBMAX VNEB)/ 1999-04-14 75/85TOSHIBA TB1240AN NOTE ITEM / SYMBOL BUS CONDITION MEASUREMENT METHOD (1) For V linearity 8, Measure V1 (From center to max.) and V2 (From center to min.) at Pin 22 according to a following figure. ! V4 \ . . . | Pin 22 Signal Vertical Linearity: fs fener nnt- paanannnnnn= Variable Range V2 p32. |/4VLIN1 + V Linearity : 0/8/15 /AVLINGI- Others : Preset oT 1 /AVLIN2 + /AVLIN2 - (2) For V linearity 15/0, measure VijN1 + / VLIN1- and ViIN2 + / VLIN2 -- (3) Calculate ; AVLINT +" = (VLINT + 1)/1*100 AVLINI =" = (VLINd 1)/1*100 AVLIN2 +" = (VLIN2 + V2)/V2*100 AVLIN2 -" = (VLIN2 - V2)/V2*100 (1) For V Correction : 8, measure V1 and V2 at Pin 22 according to a figure of NOTE : Vertical S$ Correction D332. Variable Range (2) For V S Correction : 15/0, measure Vs4 4 / D33 /4V514 VS Corr. : 0/8/15 Vs1 and Vso 4 /Vs2-. /4Vs1- Others __: Preset (3) Calculate ; /AVS2 + AV51 4" = (Vs1 + V1)/1*100 /AV52 - AVs1-" = (Vgq -V41)/1*100 "AVs2 +" = (Vs2 + V2)/V2*100 AVs2 = (Vso -V2)/V2*100 (1) Connect Pin 25 to GND via a 200 resistor. (2) For V-AGC : 0/1, measure VyagcL/ - lomecn V-AGC : 0/1 vAGcH at Pin 25 according to a following Others : Preset igure. /IVAGCL (3) Calculate ; IWAGCL = VvAGcL/ 200 IVAGCH = VVAGCH/200 Vertical Guard Decreasing the Pin 23 voltage from 5V, D35 | Voltage All : Preset measure the voltage at which Pin 20 output INVG drops to blanking level, that is Vyg". (1) Input a composite sync signal into Pin 43. (2) Connect Pin 10 as the figure. 10 kQ, D36 BGP Phase BGP P : 0/1 @w~ > ; ABGP Others : Preset 4 (3) Measure the start point difference of BGP at Pin 10 for BGP P : 0/1, that is ABGP. 1999-04-14 76/85TOSHIBA Deflection collection stage TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Set the BUS data of Parabola correction to 63 (MAX), and change the BUS data of Trapezium correction so that the parabola waveform at pin 35 (EW OUT) is symmetrical. (2) Set the BUS data of V.EHT to 32 (CEN). . (3) Supply 1V into pin 41 (EHT in). P | : arabola ees (4) Set the BUS data of Parabola correction to Vertical Amplitude Trapezium correction 0 (MIN). D37 |EHT Correction / P 0~31 Measure the amplitude of waveform at pin VEHT 23 (V NFB), that is VeyT (00). V-EHT :Or7 (5) Set the BUS data of V.EHT to 7 (MAX) Others : Preset . : Measure the amplitude of waveform at pin 23 (V NFB), that is VeyT (07). V -V 7 (6) VeHT = YEHT (00) = VEHT 07) 199 04) VEHT (00) VEHT Pin 23 waveform 1999-04-14 77/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD D38 E-W MAX. Dc (Picture Width) !V35H E-W MIN. Dc (Picture Width) /V35L Parabola correction : 32/63 Trapezium correction : O~31 Horizontal size : 0/63 Others : Preset (1) Set the BUS data of Parabola correction to 63 (MAX), and change the BUS data of Trapezium correction so that the parabola waveform at pin 35 (EW OUT) is symmetrical. (2) Set the BUS data of Parabola correction to 32 (CEN). (3) Supply 6 V into pin 41 (EHT in). (4) Set the BUS data of Horizontal size to 63 (MAX). Measure the voltage at pin 35 (EW out), that is "V35,". (5) Set the BUS data of Horizontal size to 0 (MIN). Measure the voltage at pin 35 (EW out), that is "V35,". V35H \ (. VL _ ve Center Pin 35 waveform D39 E-W MAX. Parabolic Correction (Parabola) /VPBH E-W MIN. Parabolic Correction (Parabola) /VPBL Trapezium correction : Q~31 Horizontal size : 32 Parabola correction : 0/63 Others : Preset (1) Set the BUS data of Parabola correction to 63 (MAX), and change the BUS data of Trapezium correction so that the parabola waveform at pin 35 (EW OUT) is symmetrical. (2) Set the BUS data of Horizontal size to 32 (CEN). (3) Supply 6 V into pin 41 (EHT in). (4) Set the BUS data of Parabola correction to 63 (MAX). Measure the amplitude of waveform at pin 35 (EW out), that is VpgH. (5) Set the BUS data of Parabola correction to 0 (MIN). Measure the amplitude of waveform at pin 35 (EW out), that is Vpp.. VPBL t VPBH Pin 35 waveform 1999-04-14 78/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Set the BUS data of Parabola correction to 63 (MAX), and change the BUS data of Trapezium correction so that the parabola waveform at pin 35 (EW OUT) is symmetrical. (2) Set the BUS data of Parabola correction to 63 (MAX). (3) Supply 1V into pin 41 (EHT in). (4) Set the BUS data of Corner correction to 0. Parabola correction . . Measure the amplitude of waveform at pin : 63 that is V 0). E-W Corner Correction | Trapezium correction 35, is Ver (0) . (5) Set the BUS data of Corner correction to D40 | (Corner) : O~31 15 VCR Comer correction Measure the amplitude of waveform at pin 10/15 35, that is Vcr (15) Others : Preset ' CR , (6) Vcr = Ver (15) - Ver (0) Ver (15) Ver (0) Pin 35 waveform 1999-04-14 79/85TOSHIBA TB1240AN NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD D41 E-W Trapezium Correction /VTR Trapezium correction : 0/31 Others : Preset (1) Measure the amplitude of waveform at pin 23 (V NFB), that is Vp23. (2) Supply 6 V into pin 41 (EHT in). (3) Set the BUS data of Trapezium correction to 0. Measure the vertical center voltage of waveform at pin 23 (V NFB), that is VTp (00). (4) Set the BUS data of Trapezium correction to 31. Measure the vertical center voltage of waveform at pin 23 (V NFB), that is VTp (31). VtTR (00) - VTR (31) = + (5) VTR = + 2 x Vp23 x 100 Vp23 Pin 23 waveform D42 E-W Parabolic EHT Correction /VEHP Trapezium correction : O~31 Others : Preset (1) Set the BUS data of Parabola correction to 63 (MAX), and change the BUS data of Trapezium correction so that the parabola waveform at pin 35 (EW OUT) is symmetrical. (2) Supply 6 V Into pin 41 (EHT in). Measure the amplitude of waveform at pin 35 (EW out), that is Veyp (6). (3) Supply 1V Into pin 41 (EHT in). (4) Measure the amplitude of waveform at pin 35 (EW out), that is Veyp (1). VeHp (6) - VeHp (1) (9) VEHP = VEHP (6) x 100 VeHP (1) VEHP (6) Pin 35 waveform 1999-04-14 80/85TOSHIBA TB1240AN /Rew NOTE ITEM /SYMBOL BUS CONDITION MEASUREMENT METHOD (1) Set the BUS data of Parabola correction to 63 (MAX), and change the BUS data of Trapezium correction so that the parabola waveform at pin 35 (EW OUT) is symmetrical. (2) Supply 1V into pin 41 (EHT in). (3) Set the BUS data of H.EHT to 0. Measure the vertical phase center voltagae of waveform at pin 35 (EW OUT), that is VEHD (00). (4) Set the BUS data of H.EHT to 15. E-W DC EHT Trapezium correction Measure the vertical phase center voltagae D43 | Correction : O~31 of waveform at pin 35 (EW out), that is /VEHD H.EHT : 0/15 VEHD (15). Others : Preset (5) VEHD = VEHD (15) - VEHD (00) = VEHD (15) \C L\ iL ----- VEHD (00) Center Pin 35 waveform (1) Connect an ammeter between pin 35 and Output Resistance GND. D44 P All data : Preset Measure the current, that is 135. (2) Measure the voltage at pin 35, that is V35. (3) "Rew" = V35/135 1999-04-14 81/85TOSHIBA TB1240AN we EL TEST CIRCUIT 1 planer +Te= 47001 wo Hf 89 LNG M2 fal s as) 2A H (S-4 St yaf10'0 i TOOL NI dad vas S a Ob 4NO INAS Ds 3) OY AVEO ives ta] ino row a [QE ore UAL sv e90 a-Gjano 430 INO A eS} NO dds gin A ew AOL ofa] Ino Mia dave A Hrzh Pra a HHA] IA 10 Dev 47008 oat NI A-eS 4no > g e ott hale as ino 9 am Loo >free wo + e + (27901 i MPN A Ino 4 aH JL mn depo ~ + 4 mitt (e] 34 H N6} 22A OH = 5 Sf wool > i00ep wt " ~ SIN tna a aso TOOL T5001 o z wa ader lana fia < aso ai 3 ! e o SSL t vt ~ d71'0 yt ait tt NI DNAS - waso [2 t O70 yooz a (aE a ek u - nN _, Tee] 20 vow 5, [} a Hore i701 se z 8 N 3 THe wih-S NI 3) OND 97A [Sk | 2 it oo] 4 WEP dng Ey sy Pa 274 ies x [>] a 8 in i34 Jai{id ddv 3H dv 20 Use iv tro o 4aatid 4007 mow at a UNE ane DOW 48 3 NE dd ~ a 2 dk 8 47 100 NI dl TAL HRs B] > OND dt [& ot = 47L0'0 uw -_t Ho 99 at aay 31dd ld ma & } nm all ed . s7Lo'o a dwa!3a 0 Gy ano ais sino-oiany [> J mS ~ oO o 4701 L vali @] aN 20 vu ino Lay [Ee tHe 2 a ona N S co e 1999-04-14 82/85TOSHIBA TB1240AN TEST CIRCUIT 2 gvoc Th 5 nap ey) '1s 3 2] = 1000 pF on A A NC. 16 &- 14 13 1) Gd) 4d (9) > TC4538BP EP 7 Teer 1000pF 2 al 1 = a H OUT Mono Multi Vibrator SCL @ svoc 1 TC74HC125P 11 1 3 4 5 SDA 2C BUS Interface 1999-04-14 83/85TOSHIBA TB1240AN > ao. +Givio9 9 - +k > |sver +] 2 & O@] ino m3 sai s >t ayAsl e oS o%--__G] NI dad Tee 47004 {= 1nd NAS Coett Vy a7tiv0 O19 S] uno 4 sev A [RE-8 mw ule HG] ano aaa ino a [ o B] ino ads ain a [& sor int im o@] ino ma awvu a [S}a-k / a qo HZ Av EOO (S] aq, 6 5 TOE W619 ~, 1 4 Tv be UAL 47001 mer >hiter Q1 % a" S IK] NI A-'s (=) tte yg mee yoot a 3 a S : Oty Gm as mee >buy 4+ aM To Al IN A ino wu [F ee 47001 I7 001 47 LO it Soiv oH Ab) 22n wou [S} mo way S a Tavioo & LL, > sdooee aio e 2 NI ana a aso [2}4 : TE z iyo WR Blan Bia < y- \ 9 oso (Hi 2 Hg Oo ares 2 t < TOOL N dmt'g NI ONAS = yaso [Fa 2 ease J wb UZ Jaa via a B 0 a = z NI 2) ond 3/A [2}* Wer'P 3d01 ins) PA D/A rex [> idoozz g ESAEE 2 INO 130 saviid dav [2 7H 1722-0 wyse JveP 0 By veritas door mv dl [> ra UAEE Bano sev dw __ ae a ah NI dl | = 4 alte 8 440 924 at E ou Fe 2 5 A} 20, aND di & HBS WU NOLLDIHWOD Hi / : z z ______@J N Jay (WAT Nias e Q d7 OL J e-E) as aay Pa dl ol a a \t wa 3d < ________o____@] ino ais fino olany }o s 3 6 . | aol _l = 8G] aN 90 WH ino tay [Fy ak z 5 qo, g iN 3 2 nN a $ g 1999-04-14 84/85TOSHIBA TB1240AN OUTLINE DRAWING SDIP56-P-600-1.78 Unit : mm RO 56 29 q CIC Pa ea ear oo ta I PIA rir iri Piri rir = Q N ) $i q oO L9]| t 7 1 28 50.9MAX 50.4+0.2 0.51 MIN ls 50.2 4,240.3 3.040.3 Weight : 5.55g (Typ.) 1999-04-14 85/85