Troubleshooting Procedures By Ass'y - Samsung HPR4272CX/XAC Service Manual

6-3 Troubleshooting Procedures by ASS'Y

No Assy
1 ASSY PCB P-SMPS
2 ASSY PCB P-SMPS
3 ASSY PDP P-X MAIN BOARD
4 ASSY PDP P-Y MAIN BOARD
5 ASSY PDP P-LOGIC BOARD
6 ASSY PDP P-Y BUFF UPPER BOARD
7 ASSY PDP P-Y BUFF LOWER BOARD
8 ASSY PDP P-ADDRESS E-BUFF BOARD
9 ASSY PDP P-ADDRESS F-BUFF BOARD
10 ASSY PCB MISC-MAIN
11 ASSY FUNCTION
12 ASSY POWER
13 ASSY PCB MISC-SIDE AV
Samsung Electronics
Code No. Description
BN96-02213A Main SMPS
BN96-01856A DC-DC SMPS
BN96-02032A X Drive Board
BN96-02033A Y Drive Board
BN96-02035A Logic Board
BN96-02034A Y Buffer Upper Board
BN96-02216A Y Buffer Lower Board
BN96-02036A Address E Buffer Board
BN96-02037A Address F Buffer Board
BN94-00733A Main Board
BN96-02049B Function Key Board
BN96-02050B Power Button Board
BN94-00732A Side AV Board
Major Symptoms
No power, Blank screen, the Relay repeats On and Off.
Blank screen, the Relay repeats On and Off.
Blank screen
Blank screen
Blank screen, Screen noise
Upper screen is blank
Lower screen is blank
Corresponding Buffer Board block screen is blank.
Corresponding Buffer Board block screen is blank.
No Power, Abnormal screen for each input source, PIP screen trouble, Sound trouble
The side function key does not work properly
The remote control does not work properly, the LED does not work properly.
The AV2 and S-VIDEO2 modes do not work properly
Troubleshooting
6-7