No Display (No Power) - LG LRG3060ST Service Manual

CHECKING FLOW CHART BY FAILURE

No display (No power)

Blank display
Enter key input
Some beep
sounds?
No
Check AC input voltage of Power PCB
- Power PCB CN01(pin1 and pin3)
CN11
Is it 120V AC?
Yes
Disconnect the power
1
Yes
3 pin
1 Pin
No
Check the harness of
between L1~N
Normal?
Replace the defective
harness
END
Oven display
blanks?
No
END
Yes
No
10-2
Yes
2