Samsung PS42D51SX/XEC, Service Manual

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Troubleshooting
Samsung Electronics 6-7
6-3 Troubleshooting Procedures by ASS'Y
No Assy Name Code No. Description Major Symptoms
1 ASSY BOARD P-POWER BN96-02050E Power Button Board
The remote control does not work properly, LED does not work properly, function key
mode does not work properly.
2 ASSY PCB MISC-MAIN BN94-00755B Main Board
No power, TV screen is broken(Check tuner CVBS), No power, Abnormal screen for
each input source, Sound trouble
3 ASSY PCB P-SMPS BN96-01801B SMPS Board No power, Blank screen, the Relay repeats On and Off.
4 ASSY PDP P-X MAIN BOARD BN96-02032A X Drive Board Blank screen
5 ASSY PDP P-Y MAIN BOARD BN96-02033A Y Drive Board Blank screen
6 ASSY PDP P-Y BUFF UPPER BOARD BN96-02034A Y Buffer Upper Board Upper screen is blank
7 ASSY PDP P-Y BUFF LOWER BOARD BN96-02216A Y Buffer Lower Board Lower screen is blank
8 ASSY PDP P-LOGIC BOARD BN96-02035A Logic Board Blank screen, Screen noise
9 ASSY PDP P-LOGIC E BUFF BOARD BN96-02036A Address E Buffer Board Corresponding Buffer Board block screen is blank.
10 ASSY PDP P-LOGIC F BUFF BOARD BN96-02037A Address F Buffer Board Corresponding Buffer Board block screen is blank.
11 ASSY BOARD P-FUNCTION BN96-02550A Function Key Board The side function key does not work properly
12 ASSY MISC P-INLET BN96-02369A Power
The remote control does not work properly, LED does not work properly, function key
mode does not work properly.
13 ASSY PCB MISC-SIDE AV BN94-00732A SIDE AV BOARD The side AV Board does not work properly.