KCT52A Chassis
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SAMSUNG GROUP
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SAMSUNG GROUP
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O
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TOC
32
IC Pin Description
Micom (IC901) Pin Description
Pin No
Pin Name
In/Out
Description
2
OSD-CONTRAST
OUTPUT
OSD Contrast level adjustment
3, 4
AV0, AV1
OUTPUT
TV/AV mode selection control
5
SPOT
OUTPUT
CRT spot prevention control
6
S.MUTE
OUTPUT
Sound mute control
7
CCD
OUTPUT
Caption Brightness control
9, 10
KEY-IN1, IN2
INPUT
Key matrix input
11, 14
MPX 0, 1
OUTPUT
MTS mode selection
12
HOLD
INPUT
Power failure detection
15
LED2
OUTPUT
LED drive signal output
17
D-COIL
OUTPUT
Degaussing coil control
18
POWER
OUTPUT
Power on/off
19, 20
A/V-IN1, IN2
INPUT
Detection of AV Jack plugged in
22~24
R, G, B
OUTPUT
OSD RGB output
25
BLK
OUTPUT
OSD blanking signal output
26
H-SYNC
INPUT
H-Sync input
27
V-Sync
INPUT
V-Sync input
28
OSC-IN(C-IN)
INPUT
Composite video input
29
OSC-OUT(LOOP)
IN/OUT
Loop out of Pin 28
31, 32
XTAL 2, 1
IN/OUT
Oscillation for Micom Operation
33
RESET
INPUT
Micom initialization
34
VDD
INPUT
Main B+
35, 37
PIP-AV0, AV1
OUTPUT
PIP TV/AV Selection
36
IR-IN
INPUT
Remote signal input
38
BUS STOP
OUTPUT
Factory use
39
STEREO
INPUT
Stereo indication input
40
SAP
INPUT
SAP indication input
41, 42
SCL, SDA
IN/OUT
Bus control
EEPROM (IC902) Pin Description
Pin No
Pin Name
In/Out
Description
1~3
A0 ~ A2
Input
Address Inputs
4
Vss
-
Ground
5, 6
SDA, SCL
In/Out
Serial clock/Data
7
WC
Input
Write Control input
8
Vcc
Input
Supply voltage
*Memory capacity: 256 X 8 bits (256 words), Retention: 10
years
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 ...