FAIRCHILD LOGIC/CONNECTION DIAGRAMS L-C13 L-C14 uAT20 pAT732 1 VJ 4 1 VTS 14 CONVERTER CONVERTER ir Cl our 19 kHz FILTER CI DECOUPLING 2 13 2 13 oscitator [_] |] RF our 19 kHz FILTER [_| [_] 38 kHz FILTER 3 12 3 12 ve CO ] RF IN MPX IN CI wl RIGHT OUT CONVERTER ( UF 4 4 DECOUPLE DECOUPLE STEREO MONO dc [_] [_] tert our 5 10. 5 10 DETECTOR 38 kHz + |] AGC FILTER AUDIO MUTE de CI FILTER BIAS 6 9 6 9 {F OUT Cl 1} GND 1 STEREO LAMP O TJ V+ 7 8 7 8 IF IN ] GND 2 GND | BIAS L-C15 L-C16 L-C17 uAT739 pAT42 pA746 1 VS 14 1 LT 14 1 LJ 14 outa [_| ak memory [_| nc ne [_] GND 2 13 2 13 2 13 LACA | jour e wl] v+ ne [|] ] Ee-ey 3 12 3 12 3 12 Cc out 5 +n(T] | ]STORAGE CHROMA (-) Cl BL Lacan 4 N - HL TRIGGER - e Cit A | ; memory |_| ous CHROMA (+)[_ | [] Er-Ey 5 10 5 5 10 LAGB SWITCH SYNC +n al | LX | GATE IN ne [| [J ne s : s SYNC s 2. -na(_] [] +N 8 SWITCH Cl eare REF B C] 7] Ec-8v 7 8 7 8 7 v- Y]-NB cramp (_] T] GND REF A ]v+ L-C18 L-C19 BATA BwAT57 1 VS 14 1 VL 14 outa(_] |v +ina[_| INA out 2 13 2 13 LAG A [jours pecoupte (| [_] becoupte 3 12 3 12 ouT AGC 1 OUT A {IN C 7 LAG SB C I] LAG A acc 2[_ | | v+ GND Co 6 DECOUPLE CI 7 -out B[ | 40 | +INB 9 | SHIELO 8 ml +OUT B 13-25FAIRCHILD LINEAR CONSUMER CIRCUITS RADIO-AUDIO CIRCUITS Logic/Connection Item} DEVICE NO. Description Diagram(s) Package(s) IF, RF Amplifiers, Gain Blocks, Detectors, Decoders 1 A703 IF, RF Amplifier L-C2 TO-99 A720 AM Radio Circuit (RF, Converter, IF) L-C13 6A,9A 3 pA721 AM/FM IF Amplifier, FM Limiter, L-C37 9B Detector 4 pA732 Stereo Decoder L-C14 9A 5 pAT53 FM Gain Block L-C5 9T 6 pA757 Gain Controlled IF Amplifier L-C19 6A 7 wAT5& PLL Stereo Decoder L-C38 9B 8 pA767 Stereo Decoder L-C20 9A 9 wA1310 PLL Stereo Decoder L-C23 9A 10 pA2136 FM IF Limiter Detector L-C24 9A 11 uA3075 FM IF Limiter Detector L-C27 9A 12 A3089 FM IF Limiter Detector L-C42 9B Preamplifiers 13 pA739 Dual Audio Preamplifier L-C15 6A,9A 14 pAT4&9 Dual Audio Preamplifier L-C3, 18 TO-99,6A,9A Dolby 15 pAT300 Dolby B Noise Reduction L-C48 9B Special Functions 16 SH1549* Station Memory Control Hybrid H4 "x 2 Single In-line 17 $H1552* Ladder Network for Signal Conversion H3 7x2" Single In-line 18 uA742 Zero Crossing ac Trigger Trigac L-C16 6A 19 A7390 Ground Fault Detector L-C6 9ST 20 pA7391 2.0 A Motor Speed Control L-C9 9W-P6 21 pA7392 300 mA Motor Speed Control L-C30 6A, 9A * For further information contact Hybrid Marketing 7-16