3. TROUBLE SHOOTING
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3.2.1.4 Checking RF signal path (DPX)
Figure 3.1.1 (b)
Check TP1 at DPX
Check if there is any major dierence referring
To Figure 3.1.1(b) Is any signal detected at that
point?
START
All WCDMA_B1/B2/B5/B8 Rx check is complete.
If the phone sill do not work ,replace main board
Check anything point
Replace FL/102/103/105/106
Yes
Yes
Is any signal detected at
that point?
No
No
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