LG GS205 Service Manual page 63

4.2.3 Checking Flow
Measure the SIM Card
supports 1.8V or 3V ?
Check voltage of VSIM
（ T P614
C h e c k s o l d e r s t a t u s o f
J 6 0 2
SIM card will operate
properly
Start
YES
） ?
YES
YES
NO
Change the SIM Card. Our
phone supports only 1.8V or
3V SIM Card
NO
Change U601
NO
Re-soldering or change J602
63