LG -UD6100 Service Manual page 41

Checking Flow
KCN-2T-0-0075
- CON301 :
- U201 : QSC6010
START
NG
Re-soldering CON301
Check CON301 soldering?
OK
NG
Check UIM Card circuit
Re-solder or replace them
(R368,R369,R378)
OK
Check QSC6010 Circuit