Samsung MKV190CL2B/E01 - Page 189

6. Self Diagnosis & Trouble Shooting
6-6. When Power is not applied
To do list
IS DC 5V applied to
C118?
YES
YES
YES
Replace REG2(5V LDO)
NO
Does PANEL PCB work
normal?
YES
NO
NO
IS DC 5V applied to
C111?
Replace REG3(5V LDO)
Is there any
PCB soldering short
or breakage?
NO
Replace the Inverter PBA
YES
1) Check the wire harness
2) Replace PANEL PCB
- Check MAIN PCB Wire
- Check DOOR PANEL PCB
189
Normal
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