4. TROUBLE SHOOTING
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Check TP1(L169) at FL102
Check if there is any major difference referring
To Figure 4.1.1(b) Is any signal detected at
that point?
START
All WCDMA_B8 Rx check is complete.
If the phone sill do not work ,replace main board
Check L115, L169, L116, L111, L114, L112
Replace FL102
Yes
Yes
Is any signal detected at
that point?
No
No
4.1.2.4 Checking RF signal path (FEM)