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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Electronic Parts Troubleshooting Guide
: The unit does not operate.
Possible Trouble 1
YES
NO
YES
Is the input voltage
of transformer AC230V?
Check the FUSE
and the wiring diagram.
Is the PIN 49,58 of
MICOM. DC5V?
Exchange MICOM.
YES
NO
Check the main P.C.B
pattern.
NO
YES
Is the output voltage
of IC03D DC5V?
NO
Exchange IC03D.
Is the input voltage
of IC03D about AC12V?
Check the
5V P.C.B pattern.
Summary of Contents for ABNH366KSB0
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