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
l
SAMSUNG GROUP
l
SAMSUNG GROUP
O
[
O
]
TOC
43
Содержание KCT52A
Страница 3: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 3 Block Diagrams ...
Страница 4: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 4 Power Supply Circuit ...
Страница 5: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 5 Power Supply Circuit ...
Страница 24: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 24 POWER ON DZ803 STNAD BY DZ803 ...
Страница 26: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 26 POWER ON POINT A POWER ON POINT B POWER ON POINT C ...
Страница 29: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 29 STAND BY POINT C STAND BY POINT D ...
Страница 30: ...Troubleshooting No Raster and No Sound KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 30 ...
Страница 31: ...Micom Circuit KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 31 ...
Страница 33: ...IC Pin Voltage Waveforms Micom IC901 Pin Description KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 33 ...
Страница 35: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 35 MICOM PIN 26 MICOM PIN 28 MICOM PIN 27 MICOM PIN 31 ...
Страница 37: ...Tuner Circuit KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 37 ...
Страница 39: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 39 POINT A POINT C POINT B POINT D ...
Страница 40: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 40 IF Chroma Video Circuit ...
Страница 41: ...l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 41 IF Chroma Video circuit ...
Страница 46: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 46 IC201 PIN 3 4 IC201 PIN 6 IC201 PIN 5 IC201 PIN 7 ...
Страница 47: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 47 IC201 PIN 8 IC201 PIN 11 IC201 PIN 10 IC201 PIN 13 ...
Страница 48: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 48 IC201 PIN 18 IC201 PIN 26 IC201 PIN 20 IC201 PIN 27 ...
Страница 50: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 50 Troubleshooting No Color ...
Страница 51: ...l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 51 Horizontal Deflection Circuit ...
Страница 58: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 58 Vertical Deflection Circuit ...
Страница 60: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 60 IC301 PIN 1 IC301 PIN 4 IC301 PIN 3 IC301 PIN 5 ...
Страница 61: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 61 IC301 PIN 8 IC301 PIN 10 IC301 PIN 9 ...
Страница 62: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 62 IC201 PIN 46 IC201 PIN 51 IC201 PIN 47 ...
Страница 64: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 64 Troubleshooting No Vertical Scan Horizontal Line ...
Страница 65: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 65 Sound Circuit ...
Страница 69: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 69 IC202 PIN 6 IC201 PIN 1 IC202 PIN 1 2 IC201 PIN 55 ...
Страница 70: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 70 Troubleshooting No Sound ...
Страница 71: ...l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 71 CRT Drive Circuit ...
Страница 73: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 73 B OUT AKB IC501 PIN 3 IC501 PIN 5 ...
Страница 74: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 74 IC501 PIN 7 IC501 PIN 9 IC501 PIN 8 ...
Страница 75: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 75 Troubleshooting No Raster Sound OK ...
Страница 76: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 76 A V Switching Description ...
Страница 77: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 77 PIP Block Diagram ...
Страница 78: ...KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 78 Schematic Diagram ...
Страница 89: ...Fig 3 2 Purity and Convergence Magnets KCT52A Chassis l SAMSUNG GROUP l SAMSUNG GROUP O O TOC 89 ...