LG -E730 Service Manual page 120

Ste the Phone GPS is On
LGE Internal Use Only
START
Check GPS RF Part?
Yes
Check TP1 about .7V?
Yes
Check TP about .6V?
Yes
Check U1001 and
Change hoard
No
Check GPS RF soldering
and components
No
Check L1044, FB1003, C1097
soldering
No
Check FB1004 soldering
and SW
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4. TROUBLE SHOOTING
Only for training and service purposes