TOSHIBA TA1275AZ TENTATIVE TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA1275AZ SECAM DEMODULATOR PROCESSOR TA1275AZ is the SECAM demodulation IC, which accomplishes a multicolor system with TB1231 series. This IC requires very few external parts. FEATURES @ Working with TB1231 series, which is PAL/NTSC PIF /VIF/ VIDEO /CHROMA/DEF processor. @ Built-in Bell filter @ Built-in FM demodulator with PLL circuit for color : $ZIP21-P-0.89 demodulation and SECAM identification Weight : 1.0g (Typ.) @ DC voltage offset of demodulated signal adjuster @ Input terminals for external R-Y/B-Y signals 980508EBA1 @ TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to 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 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. 1998-10-20 1/23TA1275AZ TOSHIBA d-dawgg/ iL ai a/aiu ALGL bLSaL LL Oavteo 47100 Ax EE Ik i7 EEO 37 0'0 S-ZVSELTLYVL yBnosyts = doi [or a an edawozs yonowyiy 1d < od AWOE- 108+ < oS AWOE-/0E+ 1d |yBnowys sid + dos ADS aD 30 P33, Mia / WYD3S 2 2 dou s q 1 nese a Moz MShwoze @) S) Nid) ) Nid (2 nes z ew reg NOD INO Aa INO? LNO KY MS NOW nef VIE AB ove AY 300W 14 7LNO A ZVSLCLVL iNOS dy Ls sea a LIA 30 | Lt owsa |] l. Auda dwyaq wt sseq- MSA Le 3aSVHd TT Aa AG [" AAOT/ A S/iN/d f t 1uow _,| ODA sseg | fly nuniag dw3aq s$0q- MS AU 1124 Wer'y -M07] " AY AY Fy MOTs; AUT S/ Nid H ova- yep- JEG ingadi tet | | wo3 AstHS-O3 [Tr fpv-or [4S yelay rt on 401d dVuL ir IGA 2 SAS yang ry awe I WSs | 0 ugsz rf Jars (asin) HLOIM 3L | AAS Cl MS O7| O4 INO3 1139 NI d3s AS JOA NIFAADEt 7 AtH/H ALSAS agezel nese @l) 01 HSE *Gi) ywuce) rayy 61 ALS ee L2yALEO 15 ~ + o ALLE f Jace dt : sy ify ABEE H - 2 = 2 & yuche- a Nid = t z = at as 2] NEE on ~ MI Le. B a ne 0 qn +H I 1 wuggz + AZ MAIS woop Hee 4 MDE e ase ctf7z 3iv5 AE N/d IWVYSVId 42014 1998-10-20 2/23TOSHIBA TA1275AZ MAXIMUM RATINGS (Ta = 25C) CHARACTERISTIC SYMBOL RATING UNIT Supply Voltage Vccmax 8 Vv Signal Voltage at Each Input Pin einmax 5 Vp-p Power Consumption PD (Note) 780 mw Power Consumption . . . 1 . W / Reduction Ratio /Qia 6.3 mwi'e Operating Temperature Topr -20~65 C Storage Temperature Tstg -55~150 C (Note) Refer to the figure below. POWER CONSUMPTION REDUCTION RATIO Pp (mW) ss co oOo vi w o 25 AMBIENT TEMPERATURE Ta 65 150 (Cc) Fig. Power consumption reduction against higher temperature. 1998-10-20 3/23TOSHIBA TA1275AZ RECOMMENDED CONDITION IN USE CHARACTERISTIC DESCRIPTION MIN. | TYP. | MAX. | UNIT Supply Voltage ping, 18 4.5 5.0 5.5 or - Y Input Signal Level white : 100%, including | 99 | 10] 1.1 | Vp. sync. Color Difference Input Level | Burst level 270 300 330 |MVp-p G level 3.25 4.0 5.0 SCP Input Level H level 1.95 2.1 2.6 V V level 1.1 | 1.25 1.4 ELECTRICAL CHARACTERISTICS (YC Vcc/ PULSE Vcc =5V, Ta=25C, Unless otherwise specified) Current consumption TEST PIN NAME SYMBOL | CIR-| MIN. | TYP. | MAX. | UNIT CUIT Vec (Y/C) Icc1 | 32.0 | 38.5 | 48.1 mA Vec (PULSE) Icc2 _ 5.6 6.7 8.4 1998-10-20 4/23TOSHIBA TA1275AZ TERMINAL VOLTAGE PIN TEST No. PIN NAME SYMBOL | ciR-| MIN. | TYP. | MAX. | UNIT CUIT 1 |Y OUT V1 | 2.35 [2.55 | 2.75 2 [MODE sw V2 | 1.80 | 2.00 | 2.20 3 [R-Y OUT V3 | 2.10 | 2.40 | 2.70 4 |R-Y BLACK CONTROL V4 | 2.30 | 2.50 | 2.70 5 |B-Y OUT V5 | 2.10 | 2.40 | 2.70 6 |B-Y BLACK CONTROL V6 | 2.30 | 2.50 | 2.70 7 |S-ID FILTER (killer OFF) V7 [425 [455 | 485 8 |EXT. R-Y IN Vg | 2.40 | 2.60 | 2.80 10 | EXT. B-Y IN V10 | 240 | 2.60 | 280 |] v 12 [FO-ADJ. FILTER V42 | 2.55 | 3.00 | 3.45 13. [CIN V13 | 3.50 | 3.70 | 3.90 14 [BELL ADJ. FILTER Via | 2.20 | 2.50 | 2.80 15 [YIN V45 | 230 | 2.50 | 2.70 16 [BELL CONTROL V16 | 480 | 5.00 | 5.20 19 |4.43MHz CW-IN V19 | 2.50 | 2.75 | 3.00 20 |ID sw V20 | 2.30 | 2.50 | 2.70 21 |SECAM ID 1/0 (killer OFF) V01 | 0.00 | 0.20 | 0.60 (Note) Pin3, 5, 7, 12 and 18 are weak against static electricity and surge impulse. Please take confer measure to meet, if necessary. 1998-10-20 5/23TA1275AZ 9-ZVSZ2LVL Ae h Ag } HA0Z was - 1d : GND 0} A W AAA Me Le im UASL WASL OASl Go JTrgq+dey HH ZHINGS : uado den ZHINGS : 2A 02 apow Buissaxoid A, Sy} o BHuljjouzuos 4oy uld aul MS JQOIN| | 3 = 0 oO V70S W70S v70S (a) WS @ *Buljsa} Joz L# uid Buiyoums Aq uid siy} UO paolu0w aq UR? Jalllt [eq ay fo jeuBls yndjno ayy, x Z# uld uo CY) | Yazims ay. Aq paljosju0> Ino Al L st Butssazoid jeuBis | A 3y} uo aul Aejap UOoL K + pue Jaz} dest ZHING'S aut Fdag L si [aaay ES yNdyjno puepueys jeuBbls A 40} uld yndzno ayy vu D> VW wI0S1 7y00L oO TVNDIS LAGLNO/ LAdNI LINDYID JDVAYALNI NOILOINNA JINVN Nid Ni TOSHIBA JDVIAMILNE TVNIAYSL 1998-10-20 6/23TA1275AZ TOSHIBA L-2VS2Z2LVL AS? v0 IIE oly war reLi7 Ue UAE AAA ~ 1408 (qUawUB Ye yPe1q WVD3S JO} [O12U09 SN OH ue seu LEZLGL asnesagq "LEZLAL YyAA Bulsn JO ase> ay} ul pauado aq pinoys uid siyt) AWOE = UIYTIAA st abuel Buisnipy "JAAD LASEZO YIe}G auy Huyjosuos yop uid ayy JOYLNOD ADVI AU UAL K Wy (>> 00S qyooz VV sJUSUOCdUOD Jauued 3} ayeUlWt|a 02 4d] sey Jossaxoud A-y yeuBls 4eq 10/09 paepueys yum Fdp7-p Si [aAa] INdjno puepueys jeubls A-y pajlejnpowap Jo} utd yndyno au, LAO AY TWNOIS LADLNO/ LNdNI LINDYID FDV4AYALNI NOILONNA JINVYN Nid ON Nid 1998-10-20 7/23TA1275AZ TOSHIBA 8-ZVSECLVL ) vVI0z (D) ie AS? 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Jaijidwe jeusaiu au} yo uleh aut "jeuBbis A-g jeusa}xa 4oj uid indui au Ni A-9 LX4 OL IVNDIS LNdlLNO/ LAdNI LINDYID JDVAYALNI NOILONAS JINN Nid ON Nid 10/23 1998-10-20TA1275AZ TOSHIBA LL-ZVSZELVL ASSZ AES FN We oO Ae S 7 Az UrxAz |JEUUs COOL SI yi AsioU aq pinom asnjid pue Bunsnipe Of saz) |]9q uo Aejap awl} @ sasnes Joypedes Big 00} v7 ZHINGSC VY Of sau eq aur 40} JO}IDede9 JaLYIZ SUR Huljpauuoad Jof uid dul dds fav-1148 PL (2) Ww 70S ne OS [GALE GAO Te fase 100s OE OAL 4 (LNO-A) L# uid ay} UO paviasgo $1 yNndino sayy [jeq aur UAL? yBno1yy GND 0} uid sty} Bugaauu0s UdsUuAA uid siyy UO plepaao si Huljsa} 105 YIUMS JOPUOW [faq ay] Ada | sl jBAd| jeubis yndul puepueys soyiseded Burjdnoad jo 47100 yBnoiy} jeubis aysodwos Ajddy uid indui jeubls ewoiys ayL NI 3 EL TWNOS LAGLNO/ LNdNI LINDYID JDVAYSINI NOHWONNS JINVN Nid ON Nid 11/23 1998-10-20TA1275AZ TOSHIBA @L- ZVSECLVL TOE TSAOE AL DI9 w70S v7 05 QD 7 WAST ZH4OZ + Of Oh ZHYGE +O} WA0e (AO=) GND 01: Oy (AL L=) aNd 01 UAOZ QP?A=) N3adO ZHASE + Oy ZHOL + OL Oy 49213 118q yr Bunsajas 40} uid aul JOYLNOD 1148 91 v7 O00L AAA | OAc BAZ AdAQ | SI jaaa] indul puepueys ayy souDeded Buydnos e ybnosuy uid siy} opul jpeuBbis apisodwod ayy Ajddy uid yndur jeubis 4 aul NIA SL TWNSIS LNdLNO/ LNGNI LINDYID JDVAYALNI NOILONNS JINVN Nid ON Nid 12/23 1998-10-20TA1275AZ Eb -ZVSLTLVL ALB L UASZ v ABO'E 4 mm ve TAOE OASZ Ads Sat UAOZ TAL VIDE {> WW WL OAEE nay} GND 0} : SuOdd - uado : sug OAEE nay} IDA 01 : SuUOOZ + uld siy} uO plejaao SI ULpIA asjnd ayebh ayy BulBueus 40, YdIMs aut sopyipedes Burydnos e yBnosy} aaem auls ddawgag ynduy yND1 quawysnf[pe jjas 104 DARM J9WIe? JO ZHINED yndul 40} uid ay NI-AAD ZHWEP'Y 6L ypoojq 2160; 204 uld IDA DOA AS 8L dds asjnd ayjsed pues aur yndur sop uid aul NI do's bL TVNODIS LNdLNO/ LANI LINDYID JDVIYILNI NOILONNA AINVN Nid ON Nid TOSHIBA 13/23 1998-10-20TA1275AZ TOSHIBA PL - ZVSZELVL wy7rz O0S6 wiz ASZ'L ASLL Uvos AST AAA 3p AOS vou {a> ar 20st 73005 DIA~AGT : jeusa1xy AG?T~OND | [2Usa}U| ahezjoa Da Indu! ayy Aq UIPMS [euUsa}xXa / /eUsaLU! ay} sun} uid sly INW34S INVOaS Buols *yeubls pndut WIVD3S 24} JO [ara] Q| 84} 0} papuodsaios yuaind JO anyjea OM} SUIS UI adepIazUI jndjno /4yndul siyt (LEZLaL at) sossavoid lew BY} 0} Uld adejazUl Sul W708L V7Otr O/1 al WW34s L2 UAOE UAOE Ag ty WA UI0E WOE SS AOS dS (>) A WISZ aN9 0} paypouuo : H pauado :(A+H A H) ypsees ony IDA O} papauuo? : A+H apow Uolpaj,ap qd) ay} Bunsajas JO) Utd YDPIAAS AYL MS dl Oc TWNOIS LNdLNO/ LNdNI LINDYID JDVAYSLNI NOHONNS FINN Nid ON Nld 14/23 1998-10-20TOSHIBA TA1275AZ AC CHARACTERISTIC (Unless otherwise specified, Vcc =5V (9 & 18pin), Ta =25C) TEST RATING No. ITEM SYMBOL | CIR- | TEST CONDITION UNIT CUIT MIN. | TYP. | MAX. Bell Monitor Output ' | amplitude ebmo | (Note 1) 170 | 260 | 350] mVipp) 2 |Bell/Filter fg fop-c (Note 2) -23 0 30 kHz ; ; foB-H +40 | +70 | +100 kHz 3 |Bell/Filter fg Variable Range fop_L (Note 3) +10 | +35 +60 kHz 4 |Bell/Filter fg Vcc Drift Afopetv | (Note 4) -25 0 +25 kHz 5 |Bell/Filter fg Thermal Drift AfopELT | (Note 5) - 30 0 +30 kHz 6 |Bell/Filter Q QRBEL (Note 6) 14 16 18 7 Color Difference Output VBS _ (Note 7) 0.39 | 0.56 | 0.73] Vp-p) Amplitude Ves 0.5 0.7 | 0.99] Vp-p) 8 Color Difference Relative R/B-S _ (Note 8) 124 | 1.35 152 _ Amplitude . SNB-S -40 | -46 _ dB 9 |Color Difference $/N SNR-S (Note 9) a0 | -46 _ dB Color Difference Output Vcc | AVBYVH -8 0 +8 % 1 . _ N 1 0 Drift AVBVL (Note 10) -8 0 +8 % Color Difference Output AVBTH -8 0 +8 % 'T | Thermal Drift AVeTL | (Note 11) -8 0 +8 % . . LinB 93 100 107 % 12 | Linearity Link (Note 12) 93 100 107 % oo ter 1.3 2.0 YS 13 | Rising Time trp (Note 13) _ 13 20 us . Hee 3.5 3.9 MHz 14 1D | Hold R N 14 emodulation Hold Range HBH (Note 14) 4.75 52 _ MHz CR 3.5 3.9| MHz 15 |Demodulation Capture Range CBH (Note 15) 4.75 52 _ MHz 16 | Killer Operation Input Level SK (Note 16) 0.5 1 2) mV (pp) Carrier Remains on CLRS _ 3 10 | MV (p-p) u Demodulated Output CLBS i (Note 17) 3 10 | mV (p-p) ErR 30 0 | +30] mv 18 | Black Level Off r Note 1 8 | Black Level Offset EB (Note 18) 30 0 +30 mV 19 |ID Voltage Vow | (Note 19) 4.25 | 455 4.85 Vv 121strong 310 | 420 | 530| 4A 20 | ID Current SECAM (Note 20) I21SECAM 133 | 180 | 225 uA 121B/W 0 10 LA V21P/N 2.3 2.5 2.7 Vv 21 |System SW Threshold Level V015 (Note 21) 23 25 27 Vv V3P/N 2.3 2.6 2.9 Vv Color Difference Output DC VS5P/N 2.3 2.6 2.9 Vv 22 | evel V35 (Note 22) 21} 24] 27] Vv V5s 21 | 2.4 2.7 Vv 1998-10-20 15/23TOSHIBA TA1275AZ TEST RATING No. ITEM SYMBOL | CIR- | TEST CONDITION UNIT CUIT MIN. | TYP. | MAX. AErR + 27 30 33 mV R-Y/B-Y Color Black Level AErR -33 | -30 | -27 mV 23 4s _ Note 23 Control Characteristics AEB + (Note 23) 27 | 30} 33 | mv AErp -33 | -30 | -27 mV . . GEXTR 0.8 1.0 1.2 24 | Ext. Color Difference Gain GexrE (Note 24) 08 10 12 _ 95 |4.43MHz CW Min. Input Vow _ (Note 25) 00 | | mVeoxw) Level . . Wepvcc 1.7 1.8 1.9 pS Pulse Width V I 26 | Gate Pulse Width Variable | ye _ (Note 26) 19 | 20] 2.1 us Range WGPGND 2.1 2.2 2.3 us Y DL Characteristics 27 | at 3MHz) tYDL (Note 27) 180 | 250 | 360 og: foY5.5 4.5 5.5 6.5 MHz 28 |Y Trap Characteristics Gat fo (Note 28) 20 35 _ dB . DRys 1.2 1.5 1.8 V (p-p) 29 |Y Input Dynamic Range DRyvaw | (Note 29) 12 15 18 Vio-pl . GYS 0.8 1.0 1.2 30 | Gain cyBw | (Note 30) 08] 10 | 1.2 _ 1998-10-20 16/23TOSHIBA TA1275AZ TEST CONDITION (Unless otherwise specified, Vcc =5V (9 & 18pin), Ta = 25C) NOTE ITEM TEST CONDITION Bell Monitor Output (1): Input a 75% color bar signal (200mVp-p at R ID) into Pin 13. : Amplitude (2) : Connect pin 13 to GND through 27kQ. ebho (3) : Measure R-Y ID amplitude at Pin 1, that is ebmo. (1) : Input a 20MVp-p sine wave whose frequency is sweep into Pin 13. 0 (2) : Connect pin 13 to GND through 27kQ. ajo 2 |Bell/Filter fo (3) : Keep pin 16 GND. (4) : Measure the frequency at which Pin 1 output is the biggest, that is fopeL- 3 (5) : Calculate : fop-c =fopeL - 4,286 [kHz]. ca (1) : Input a 20mVp.p sine wave whose frequency is sweep into Pin 13. (2) : Connect pin 13 to GND through 27kQ. fo . . (3) : Measure the frequency at which Pin 1 output is the :4.286MHz 3 Range fo Variable biggest when Vc is 5.5V/4.5V, that is foBELs.5/ fOBEL4.5- (4) : Calculate : fop- H = fOBELH - 4,286 [kHz]. sprit fop-L" =foBeLL 4,286 [kHz]. yr (1) : Input a 20mMVp.p sine wave whose frequency is sweep into Pin 13. (2) : Connect pin 13 to GND through 27kQ. fo ; (3) : Pin 16 is GND. :4.286MHz 4 ene ree fo (4) : Measure the frequency at which Pin 1 output is the ec en biggest when Vcc is 5.5V/4.5V, that is fopeL5.5/ TOBEL4.5- rpiis (5): Calculate : Afopetv" =foBELS.5 fOBEL4.5 Hes (1) : Input a 20MVp.p sine wave whose frequency is sweep into Pin 13. (2) : Connect pin 13 to GND through 27kQ. fo . (3) : Pin 16 is GND. ; 4-286MHz 5 a fo Thermal (4) : Measure the frequency at which Pin 1 output is the biggest when atmosphere is -20C/ + 65C, that is foBEL - 20/fOBEL + 65- (5) : Calculate : AfopELT =foBEL - 20 - fOBEL + 65 (1) : Input a 20mMVp-p sine wave whose frequency is sweep into Pin 13. o (2) : Connect pin 13 to GND through 27kQ. arene 6 |Bell/Filter Q (3) : Pin 16 is GND. (4) : Observe the frequency response of Pin 1 output. (5) : Calculate : Qpe_ =(MAX-3dB Band Width) / foBEL- (1) : Input a 75% color bar (200mVp-p at R ID) into Pin 13. fo (2) : Measure the R-Y output amplitude at Pin 3, that is :4.286MHz ; Color Difference Output "Vrs". Amplitude (3) : Measure the B-Y output amplitude at Pin 5, that is Vps" 1998-10-20 17/23TOSHIBA TA1275AZ NOTE ITEM TEST CONDITION 8 |Color Difference Calculate : R/B-S" =Vps/Vgs. Relative Amplitude (1) : Input a 200MVp.p non-modulated chroma signal into Pin 13. (2) : Measure the amplitude of noise on Pin 3, that is np. 9 | Color Difference S/N (3) : Measure the amplitude of noise on Pin 5, that is ng. (4) : Calculate : SNB-S" = 200g (22Vps/ng) SNR-S" = 20f0g (2V2Vps/np) (1) : Input a 75% color bar (200mVp-p at R ID) into Pin 13. easaysosy Color Difference Output (2) : Measure the B-Y output amplitude at Pin5 10 Vec Drift when Vcc is 5.5V/4.5V, that is Vpg5.5/ VBS4.5- (3) : Calculate : AVpyH" =(VBs5.5 - Ves) /Vps* 100 [%] AVBVL" =(Vps4.5 Ves) /Vps* 100 [%] (1) : Input a 75% color bar (200MVp.p at R ID) . . Ves Change between into Pin 13. Tax ~20C and + 65C Color Difference Output (2) : Measure the B-Y output amplitude at Pin 5 11 . when atmosphere is -20C/ +65C, that is Thermal Drift VUpgerececeeeeeeees VBS - 20/ VBS + 65- (3) : Calculate : VpstH =(VBs +65 VBs) /Vps*100 [%] VBSTL =(VBs - 20 - Vas) /Vps* 100 [%] (1) : Input a 75% color bar (200MVp.p at R ID) into Pin 13. (2) : Measure the amplitude between Black and Red Link Cyan/Red, that is Vcyan/VRed- 12 | Linearity (3) : Measure the amplitude between Black and Yellow/ Blue, that is Vyellow/ VBlue- (4) : Calculate : LinR" =Vcyan/VRed ina LinB" = VyYellow/ VBlue | Yellow (1) : Input a 75% color bar (200mVp.p at R ID) Magenta into Pin 13. tre. trR 13 |Rising Time (2) : Measure the rising time (from 10% to 90%) between Green and Magenta at Pin3/PiIN5, Gee, AA: that is trp / trp. 10% 90% 14 Demodulation Hold (1) : Input a 200MVp-p, 2MHz sine wave into Pin 13. Range (2) : Increasing the input frequency, measure the 4.25M frequencies at which demodulated output : appears at Pin 3, that is Cri, and at ___ which demodulates output disappears at 36M 52M 15 Demodulation Capture Pin 5, that is Hpy. Red Blue Range (3) : Input a 200MVp.p, 7MHz sine wave into Pin 13. (4) : Decreasing the input frequency, measure the frequencies at which demodulated output appears at Pin 5, that is "Cpy", and at which demodulated output disappears at Pin 3, that is Hp ,. 1998-10-20 18/23TOSHIBA TA1275AZ NOTE ITEM TEST CONDITION (1) : Input a 75% color bar (200mVp-p at R ID) into Pin 13. (2) : Decreasing the input amplitude, measure the amplitude at which 16 | Killer ON/OFF Level demodulated outputs disappear at Pin3 and Pin5, that is esx. (3) : Increasing the input amplitude from OmVp-p, measure the amplitude at which demodulated outputs appears at Pin 3 and Pin 5, that is esc. (1) : Input a 200mMVp-p non-modulated chrome signal into Pin 13. 17 Carrier Remains on (2) : Measure the amplitude of 4.25MHz signal at Pin 3, that is CLpys. Demodulated Output (3) : Measure the amplitude of 4.406MHz signal at Pin 5, that is "CLps. (1) : Input a 200MVp-p non-modulated chrome signal into Pin 13. (2) : Pin 4 and Pin6 are opened. 18 | Black Level Offset (3) : Measure the difference between picture - period and blanking period at Pin3/Pin5, 0" that is Err /"ErR. 19 |ID Voltage (1) : Input a 75% color bar (200mVp-p at R ID) into Pin 13. (2) : Measure the voltage and input current of Pin 21, that are "V21color and l21color- 20 |ID Current (3) : No input on Pin 13. (4) : Measure the voltage and input current of Pin 21, that are "V21B/W" and la1B/w'- (1) : Input a 200MVp-p, 15kHz sine wave into Pin8 and Pin 10. (2) : No input Pin 13. (3) : Increasing the Pin 21 voltage from OV, measure the voltage at 21 System SW Threshold which 15kHz sine wave appears at Pin3 and Pin 5, that is Level "N241PIN- (4) : Decreasing the Pin 21 voltage from 4V, measure the voltage at which 15kHz sine wave disappears at Pin 3 and Pin5, that is "V21S"- (1) : No input on Pin 13. Color Difference Output (2): Measure the DC voltage on Pin3/Pin 5 when Pin 21 is 4V, that is 22 | Dc Level V3PIN /V5PIN- (3) : Measure the DC voltage on Pin3/Pin5 when Pin 21 is OV, that is "3g" /"V5s5". (1) : Input a 75% color bar (200mVp-p at R ID) into Pin 13. (2) : Measure the difference between picture period and blanking period at Pin3 when Pin 4 is 4V/0V, that is Epp 4 /Erp. (3) : Measure the difference between picture 23 R-Y B-Y Black Level period and blanking period at Pin 5 when Control Characteristics Pin 6 is 4V/OV, that is Erg 4 /Erp - +ErR (4) : Calculate : AErRy"=Erp 4 Err AErR " =ErR- Err AErB +" =Erg + Erp AErg " =Erg Erp tErB 1998-10-20 19/23TOSHIBA TA1275AZ NOTE ITEM TEST CONDITION (1) : Input a 200MVp-p, 15kHz sine wave into Pin 8 and Pin 10. (2) : Supply 4V to Pin 21. 24 Ext. Color Difference (3) : Measure the output amplitudes at Pin3 and Pin 5, that are VexTRr Gain and VexTp- (4) : Calculate : GeytTR =VExTR/ 200 [mV] GEXTB =VEXTB/200 [mV] (1) : Input a 75% color bar (200mVp-p at R ID) into Pin 13. . (2) : Increasing an amplitude of 4.43MHz 25 ee CW Min. Input Continuous Wave inputted into Pin 19 from OmVp-p, Measure the amplitude at which Automatic Adjustment . . . Minimum CW Level color difference signals appear at Pin 3 and Vow Pin 5, that is Vcyy". (1) : Input a 75% color bar (200mVp-p at R ID) into Pin 13. _SECAM Gate Gate Pulse Width (2) : Connecting the Pin7 to GND via 1kQ, i: 26 Variable Range observe the gate pulse at Pin 7. |: (3) : Measure the gate pulse widths when Pin 19 o> Wepvec is opened, connected to Vcc/ GND, that are TE Wnanp Wee, Wepvcc" and WGPGND- " (1) : Connect the Pin7 to Vcc via 10kQ. ae (2) : Connect the Pin 2 to GND. 27 |Y DL Characteristics (3) : Measure the delay time between Pin 15 input and Pin 1 output, that is typ.. (1) : Input a sweep signal with sync. (1Vp.p). (2) : Connect the Pin7 to Vcc via 10kQ. MH (3) : Connect the Pin2 to Vcc. 28 |Y Trap Characteristics (4) : Observing the frequency response at Pin 1, vatt! measure the frequency at which the attenuation is maximum, that is fgy5.5 and measure the attenuation at foys.5 fY bottom against the one at 1MHz, that is "Gy55. (1) : Connect the Pin7 to Vcc via 10kQ. (2) : Increasing the amplitude of Y signal inputted into Pin 15, . measure the amplitude at which the output signal from Pin 1 29 | Input Dynamic Range begins to be distorted, that is "DRys. (3) : Open the Pin 7. (4) : Repeat (2), that is DRypyy. (1) : Input a 1Vp-p Y signal into Pin 15. (2) : Connect the Pin7 to Vcc via 10kQ. 30 |Y Gain (3): Measure the gain between Pin 15 input and Pin 1 output, that is Gys'- (3) : Open the Pin 7. 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