How To Check Fault Symptom; No Power - Samsung PA43H4100AR Service Manual

Pdp tv
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4. Troubleshooting

4.2. How to Check Fault Symptom

4.2.1. No Power

The LEDs on The front panel do not work when connecting The power cord.
The SMPS relay does not work when connecting The power cord.
The units appears to be dead.
The SMPS relay or the LEDs on the front panel does not work when connecting the power cord if the cables are improperly
connected or the Main Board or SMPS is not functioning. In this case, check the following:
Check the internal cable connection status inside the unit.
Check the fuses of each part.
Check the output voltage of SMPS.
Replace the Main Board.
Power indicator LED is on?
Are the SMPS CN804 and Main CN201 connected?
Is the Fuse (FP801S) of the SMPS Power
Input Part Open?
4-3
Symptom
Major checkpoints
Diagnostics
Copyright© 1995-2013 SAMSUNG. All rights reserved.
Check AC power connection.
Connect the cable between CN804 and
CN201 connector.
Replace Fuse (FP801S).

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