Power Failure - Samsung NV75N7570RS Service Manual

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4-2-9 Power Failure

No Power
Reset The circuit braker or
- Check terminal block voltage,
NO
Check main power
230~240V.
YES
- TCO open Check
NO
Replace TCO
(main TCO)
YES
- Check the input voltage of PCB SMPS
NO
Repair Faulty wiring
(input checkpoint : 230~240V)
YES
Replace PCB or display PCB check
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