LG Electronics WD(M)-80130F, WD(M)-65130F Fault Diagnosis and Troubleshooting, No Power

8-2.FAULT DIAGNOSIS AND TROUBLESHOOTING

CAUTION

1.Be careful of electric shock or disconnecting the parts while troubleshooting.

2.First of all, check the connection of each part terminal with wiring diagram.

3.If you replace the PWB assembly (Main), put in the connectors correctly.

NO POWER

1

PWB ASSEMBLY

When measuring the voltage of the outlet, is the voltage AC 220-240V?

YES

When measuring the voltage of White(3pin) connector of the PWB assy, is the voltage AC 220-240V?

YES

Replace PWB assembly.

NO

NO

Check the fuse?

Check the harness Assembly.

ALL BUTTONS ARE INOPERABLE EXCEPT POWER BUTTON

Does the Child-Lock is set? YES

NO

First, unplug the power cord and plug again. YES Check the buttons are operable.

NO

Cancle the Child-Lock by pressing [Temp.] and [Option] simultaneously for 3 seconds.

Normal

Visit to check

20