LG WR-8030 Service Manual page 23

Possible Trouble 4
Is the voltage NO.1 or 2 or 4
of IC01M DC 12V?
YES
Is the voltage NO.16 or 15 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.10
of CN-AC/DC on DC PCB
Ass'y DC 5V?
YES
Is the connection of
CN-AC/DC all right?
YES
• Exchange Receiver Ass'y.
FAN does not operate.
NO
NO
Remote controller does not operate.
NO
NO
NO
—23—
• Exchange IC01M.
• Exchange IC01M.
• Exchange the battery.
• Check the PCB pattern.
• Check the PCB pattern.
• Connect connector to
CN-AC/DC exactly.