LG MCD112 - Ic103(Ks4 Cd21 Cs) Check

3-4
Copyright © 2009 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
NONO
YES
Replace micom.
Check micom.
NO
YES
OK
6. IC103(KS4CD21CS) CHECK