Samsung KCT52A, Training Manual, Page: 43 / 93

IC Pin Description
TDA8377 (IC201) Pin Description (continued)
Pin No Pin Name Description
34 X-TAL (3.58) 3.58 Mhz oscillation for chroma processing
35 X-TAL (3.58/4.43) NC
36 LOOP FILTER BURST Loop output response stabilization
PHASE DET
37 B+ Power supply
38 CVBS OUTPUT Composite video output
39 BLACK PEAK HOLD Detection of peak black level
40 H-OUT Hor. Drive Pulse out
41 SANDCASTLE OUTPUT Flyback pulse input for AFC operation
FLYBACK INPUT
42, 43 PHI1, 2 FILTER Filters to stabilize loop output response
44 GND Ground
45 East-West Drive Pincushion correction wave output
46, 47 Vert. Drive Pos/Neg Vertical drive pulse out in balance phase
48, 49 IF Input PIF Input
50 EHT/OVP Overheat/Overvoltage detection
51 VERT. SAWTOOTH Vertical drive pulse amplitude control
52 REF CURRENT INPUT Reference current output for vertical drive circuit
53 AGC DECOUPLING IF AGC output response stabilization
54 TUNER AGC OUTPUT RF AGC Output
55 AUDIO DEAMPHASIS Audio signal deamphasis
56 DECOUPLING SOUND Decoupling LPF for DC feedback loop
MODULATOR
KCT52A Chassis
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SAMSUNG GROUP
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SAMSUNG GROUP
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TOC
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