Lenovo S930 Manuale di servizio - Pagina 27
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LENOVO S930 Cellphone Service Manual
4.3 WCDMA calibration during production
4.3.1 WCDMA Rx Path Loss calibration
Problem: Item Rx Path Loss failed.
Reason: Receiving channel has a problem.
Troubleshooting:
Rx Path Loss failed.
Does PA module (U2202) have a dry
joint problem?
Do duplexers U2201, U2204
and their channels have dry
joint problems?
Does RF receiver and transmitter
U2101 have a dry joint problem?
Check U1201.
N
Y
Re-solder.
N
Y
Page 27
Y
Re-solder.
Re-solder.