LG KF600w Service Manual page 39

Check C329(TP2)
+ 2 .9 V_ RX 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 troubleshoot
NO
The Problem may be Lo gic part
Refer to Logic troubleshoot
NO