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CHECKING FLOW
Check TP1 of SW101
Check TP4 of U101 ?
(GpCtrl1,GpCtrl0,Tx
Mobile SW & TX Module is OK.
LGE Internal Use Only
TP1 Signal is OK?
Yes
Yes
Control Signal is
Enable)OK ?
Yes
TP2(High Band),
TP3(Low Band)
Signal is OK ?
Yes
EGSM Rx
No
Replace Mobile SW (SW101)
No
Check PMB8815(U201)
No
Replace TX Module (U101)
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4. TROUBLE SHOOTING
Only for training and service purposes
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