LG GB108 Service Manual page 72

Checking Flow
Check Component status
(L301,L302,R303,R309)
L301 & L302 bias will
fluctuate above 1.2V
Check TP1 & TP2
Check the Contact of
Replace U101(EGV) or
Start
Make a Call
YES
OK
OK
Receiver
OK
Change PCB
NG
Re-solder or Replace
Component
NG
Resolder or Replace the
Component
NG
Re-solder or replace
Receiver
72