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Possible Trouble 4
Is the voltage NO.1 or 2 or 4
of IC01M DC 5V?
YES
Is the voltage NO.13 or 15 or 16
of IC01M 0V?
YES
• Check the RY-Hi or
RY-Med or RY-Low.
• Check the wiring diagram.
Possible Trouble 5
Does SW3 push properly?
YES
Is the voltage No.17 of
CN-DISP of Main PCB
Ass'y DC 5V?
YES
• Reference to
OWNER'S MANUAL.
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
FAN does not operate.
NO
NO
The function of Energy Saver does not operate.
NO
NO
- 24 -
• Exchange IC01M.
• Exchange IC01M.
• Check the SW3
working
• Check the Energy
Saver LED
• Check the SW3.
• Check the pattern of
Main & Display PCB.
LGE Internal Use Only
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