Troubleshooting
6-8
Samsung Electronics
1. Power Line-Up of Media Station’s Main Board
12V
9V
9V Regulator
(78M09, IQ031)
8V Regulator
(78MO, IQ032)
1 No.
2 No.
3 No.
4 No.
5 No.
6 No.
7 No.
STB SMPS
12V
GND
33V
Power Mute
GND
S-15V
GND
8 No.
9 No.
10 No.
11 No.
12 No.
13 No.
14 No.
GND
5VD
GND
6VA
Power-Control
GND
5V-STB
*CNP031
(14P Connector)
IC131(TEA6415), ICS201(TEA6422)
TO. VFD MODULE(BY CN806)
12V
IC202(TL062), IC203(TL062), IC204(TL062)
8V
IC132(TEA6425), ICS201(TEA3452),
ICS421(TEA6425), ICS441(TEA6425).
ICS461(TEA6425)
5V-STB
2.5V-STB
2.5V Regulator
(LF25C, IQ039)
3.3 Regulator
(78RH33, IQ038)
IC801(PW166)
5V-STB
IC803(MAX232), IC805(74LCX14),
IC804(7042), ICE051(S3P9428), ICE052(7042)
3.3V-STB
IC801(PW166), IC802(24C64),
IC921(29LV160), IC971(PCF8563)
S-15V
14V
14V Regulator
KA278RA05, IQ037)
To. Sound Module(M201)
5VD
ICS621(QS34XR245Q3), ICS671(QS34XR245Q3)
6VA
5VA
5V Regulator
(78D05, IQ033)
5V Regulator
(78D05, IQ033)
5V-VFD
IC201(MSP3452), IC205(TDA7050),
ICS481(74VHC4053), ICB401(PCF8574)
IC401(CXA2151AQ)
IC301(SDA6001), IC501(VPC3230),
IC551(VPC3230), IC601(FLI2200),
IC03(4S643232), ICB602(CY2305),
IC651(AD9888), IC654(74LVX74),
IC653(74LCX374), IC701(SIL151B),
IC001(MN82860), ICT051(SIL160)
6VA
2.5VD
2.5V Regulator
(LF25C, IQ035)
3.3V Regulator
(1086, IQ036)
3.3VD
IC201(MSP3452), IC301(SDA6001).
IC302(M27160), IC302(4S641632)
33V
33V
T101(Main Tuner), TU102(Sub Tuner)
Summary of Contents for PS42P2SBX/XEC
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd Nov 2002 Printed in Korea AA82 00157A...
Page 19: ...Circuit Operation Description Samsung Electronics 5 3 5 1 2 D PDP PS 42 BLOCK DIAGRAM...
Page 32: ...Circuit Operation Description 5 16 Samsung Electronics 5 2 3 D DRIVER CIRCUIT DIAGRAM...
Page 33: ...Circuit Operation Description Samsung Electronics 5 17 5 2 3 E DRIVER BOARD CONNECTOR LAYOUT...
Page 34: ...Circuit Operation Description 5 18 Samsung Electronics...
Page 35: ...Circuit Operation Description Samsung Electronics 5 19...
Page 36: ...Circuit Operation Description 5 20 Samsung Electronics...
Page 37: ...Circuit Operation Description Samsung Electronics 5 21...
Page 38: ...Circuit Operation Description 5 22 Samsung Electronics...
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Page 41: ...Circuit Operation Description Samsung Electronics 5 25...
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Page 43: ...Circuit Operation Description Samsung Electronics 5 27...
Page 44: ...Circuit Operation Description 5 28 Samsung Electronics...
Page 45: ...Circuit Operation Description Samsung Electronics 5 29...
Page 46: ...Circuit Operation Description 5 30 Samsung Electronics...
Page 63: ...Circuit Operation Description Samsung Electronics 5 47 Figure 5 42 Single logic buffer...
Page 70: ...Circuit Operation Description 5 54 Samsung Electronics...
Page 71: ...Circuit Operation Description Samsung Electronics 5 55...
Page 72: ...5 56 Samsung Electronics MEMO...
Page 73: ...Circuit Operation Description Samsung Electronics 5 57...
Page 148: ...10 14 Samsung Electronics MEMO...
Page 158: ...9 10 Samsung Electronics MEMO...
Page 164: ...3 2 Samsung Electronics MENO...
Page 170: ...Schematic Diagrams 12 4 Samsung Electronics 12 4 Y Pb Pr Buffer Switching...
Page 173: ...Samsung Electronics Schematic Diagrams 12 7 12 7 Analog to Digital Converter...
Page 174: ...Schematic Diagrams 12 8 Samsung Electronics 12 8 DVI Input Block...
Page 180: ...Schematic Diagrams 12 14 Samsung Electronics 12 15 Sound AMP Module...