Samsung PPM63M7FS - Troubleshooting by Error Mode

Troubleshooting
4-2 Samsung Electronics
4-1-2 Checkpoints by Error Mode
■ NoPower
Symptom
- 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 power of the unit seems to be out of order.
Major
Checklist
The SMPS relay or the LEDs on the front panel does not work when connecting the power cord if the cables
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- Check the internal cable connection.
- Check the fuses.
- Check the output voltages of the SMPS.
- Replace the Main Board.
Troubleshooting
Procedures
①
②
Are the AC IN socket connector and the
Main SMPS CN800 connected?
①
Is the Fuse (F801S) of the Main SMPS
Power Input Part blown?
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

No
No
No

②
Replace Fuse (F801S)
The AC IN socket
connector and the Main SMPS
CN801 connected
Replace the Main SMPS
①
Replace the Main Board
