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3. TROUBLE SHOOTING
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Check TP1(C1640) at FL1601
Check if there is any major difference referring
To Figure 3.1.1(b) Is any signal detected at
that point?
START
All WCDMA_B1 Rx check is complete.
If the phone sill do not work ,replace main board
Check L1611, L1609, C2059
Replace FL1601
Yes
Yes
Is any signal detected at that point?
No
No
3.1.1.4 Checking RF signal path(Duplexer)