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G700-U10 Smartphone
Maintenance Manual
Figure 10-23 BAND8 transmit channel
Troubleshooting Process
Figure 10-24 Troubleshooting transmission failures
Issue 1.0 (2013-07-22)
Transmission failure
Test the signal reception
at the RF switch
N
Are signals of all bands
not able to be received?
N
Is there any
component on the
circuit of each band
poorly soldered？
N
Is there any missing
component on the circuit
of each band?
Y
Return the phone to
Huawei for repair
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
10 Circuit and Failure Analysis
Y
Re-install the
antenna
Y
Replace the RF
front end U3201
51
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