LG Electronics M8004RY4, L8004RY4, HB8004RA4 Possible Trouble Remote controller does not operate

Troubleshooting Guide

Possible Trouble 6 Remote controller does not operate.

Is the voltage of Battery		NO
over 2.3V?
	YES
Is the voltage No.10		NO
of CN-AC/DC on DC PCB
Ass'y DC 5V?
	YES
Is the connection of		NO
CN-AC/DC OK?

YES

• Replace Receiver Ass'y.

• Replace the battery.

•Check the PCB pattern.

•Check the PCB pattern.

•Connect connector to CN-AC/DC exactly.

Possible Trouble 7

Is IC01G good?

YES

It displays abnormally on DC PCB Ass’y.

NO

NO

• Replace IC01G.

Is the connection of		NO
CN-AC/DC OK?
	YES
Does the IC03G		NO
(Q01G, Q02G, Q03G for Delux Model)
operate normally on DC
PCB Ass'y?
	YES

•Replace the DC PCB Ass'y.

• Connect connector to CN-AC/DC exactly.

• Replace IC03G (Q01G, Q02G, Q03G for Delux Model).

Service Manual 29