LG KF600w Service Manual page 63

Check C325(TP2)
+ 2 .9 V_TX is OK?
Check R323(TP1)
+ 2 .6V_MSMP2 is OK?
DC Po wer supply Circuit is OK. See next Page to check
VCTCXO circuit
Checking Flow
Checking Flow
Start
YES
YES
The Problem may be Lo gic part
Refer to Logic trouble shoot
NO
The Problem may be Lo gic part
Refer to Logic trouble shoot
NO