LG RAD-183A Service Manual page 31

Possible Trouble 4 FAN does not operate.
Is the voltage NO.1 or 4
of IC01M DC 5V?
YES
Is the voltage NO.13 or 16
of IC01M 0V?
YES
• Check the RY-Hi or
RY-Lo.
• Check the wiring diagram.
Possible Trouble 5 Auto Swing does not operate.
Is the voltage NO.6
of IC01M DC 5V?
YES
Is the voltage NO.11
of IC01M 0V?
YES
• Check the RY-SYNC.
• Check the connectionn
of CN-SYNC.
• Check the PCB pattern.
NO
NO
NO
NO
Troubleshooting Guide
• Exchange IC01M.
• Exchange IC01M.
• Exchange Micom.
• Exchange IC01M.
Service Manual 30