LG -A100 Service Manual page 61

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CHECKING FLOW
Mobile SW & FEM is OK.
LGE Internal Use Only
Check TP2& TP3
TP2(High Band),
TP3(Low Band)
Signal is OK ?
Yes
Control Signal is
TP4, TP6, TP7
(VLogic,TX EN,
BS)OK ?
Yes
TP8 Signal is OK?
Yes
TP8 signal same
as TP1?
Yes
EGSM Tx
No
Replace PMB8810 (U102)
No
Check PMB8810
No
ReplaceFEM (U301)
No
Replace SW301
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4. TROUBLE SHOOTING
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