Troubleshooting Procedures By Ass'y - Samsung PL50P5HX/STR Service Manual

6-3 Troubleshooting Procedures by ASS'Y

No Assy Name
1 ASSY BOARD P-POWER
2 ASSY PCB MISC-MA N
3 ASSY PCB P-SMPS
4 ASSY PDP P-X MA N BOARD
5 ASSY PDP P-Y MA N BOARD
6 ASSY PDP P-Y BUFF UPPER BOARD
7 ASSY PDP P-Y BUFF LOWER BOARD
8 ASSY PDP P-LOGIC BOARD
9 ASSY PDP P-ADDRESS E BUFF BOARD
10 ASSY PDP P-ADDRESS F BUFF BOARD
11 ASSY BOARD P-FUNCTION
12 ASSY MISC P-INLET
13 ASSY PCB MISC-SIDE AV
Samsung Electronics
Code No. Description
BN96-02050B Power Button Board
BN94-00754B Main Board
BN96-01856A SMPS Board
BN96-02038A X Drive Board
BN96-02039A Y Drive Board
BN96-02040A Y Buffer Upper Board
BN96-02041A Y Buffer Lower Board
BN96-02042A Logic Board
BN96-02043A Address E Buffer Board
BN96-02044A Address F Buffer Board
BN96-02519A Function Key Board
BN96-02369A Power
BN94-00647A S DE AV BOARD
Major Symptoms
The remote control does not work properly, LED does not work properly, function key
mode does not work properly.
No power, TV screen is broken(Check tuner CVBS), No power, Abnormal screen for
each input source, Sound trouble
No power, Blank screen, the Relay repeats On and Off.
Blank screen
Blank screen
Upper screen is blank
Lower screen is blank
Blank screen, Screen noise
Corresponding Buffer Board block screen is blank.
Corresponding Buffer Board block screen is blank.
The side function key does not work properly
The remote control does not work properly, LED does not work properly, function key
mode does not work properly.
The side AV Board does not work properly.
Troubleshooting
6-7