3-4
Copyright © 200
9
LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Check
IC100(78KOKF2)_
PIN 22, 24
OK
YES
YES
Refer to
micom troubleshooting
Check micom
voltage 5V.
PIN22
DATA PIN24 CLK
NO
NO
YES
Replace micom.
Check micom.
NO
YES
OK
6. IC103(KS4CD21CS) CHECK