LG W081CA SG2 Service Manual page 29

Possible Trouble 4
Is the voltage NO.4 or 5 or 6
of IC01M DC 5V?
YES
Is the voltage NO.11 or 12 or 13
of IC01M 0V?
YES
• Check the RY-Hi or
RY-Med or RY-Lo.
• Check the wiring diagram.
Possible Trouble 5
Is the voltage of Battery
about over 2.3V?
YES
Is the voltage No.3
of CN-DISP2 on Main PCB
Ass'y DC 5V?
YES
Is the connection of
CN-DISP2 all right?
YES
• Exchange Receiver Ass'y.
FAN does not operate.
NO
NO
Remote controller does not operate.
NO
NO
NO
—29—
• Exchange IC01M.
• Exchange IC01M.
• Exchange the battery.
• Check the PCB pattern.
• Connect connector to
CN-DISP2 exactly.