4. TROUBLE SHOOTING
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Check TP1(L120) at FL103
Check if there is any major difference referring
To Figure 4.1.1(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 C164, L119, C153, C161
Replace FL103
Yes
Yes
Is any signal detected at
that point?
No
No
4.1.1.4 Checking RF signal path (FEM)