Wcdma Calibration During Production; Wcdma Rx Path Loss Calibration - Lenovo S930 Service Manual

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.