Samsung NE59J7630SS Service Manual page 40

4. Troubleshooting
4-2 Electrical Malfunction
Troubleshooting (PCB failure)
PCB Failure
- Check the input voltage of
PCB SMPS (input check-
point : 120V )
- Check the output voltage of
PCB SMPS (Output check-
point : 5V/12V )
Do all relays operate?
Replace PCB
- Check Terminal block
voltage(240V).
Reset the circuit braker or
check main power.
Replace PCB
Repair the relay or replace
PCB.
40
Repair Faulty wiring
or PCB check