Charge Failure - Huawei U8350 Maintenance Manual

9.3 Charge Failure

Analyzing：The IO Connector damaged causes the failure usually.
Reference Figure 9-4
F1501
D1501
U1501 L1501
2011-05-18
U8350 Maintenance Manual Basic Version V1.0
Charge failure
Measure whether the voltage
of J1101 Pin1 is about 5V?
Y
Measure whether the F1101
is continuity?
Y
Measure whether the voltage
of L1501(VPH_PWR) is
normal？
Y
Replace the U201
L1501 VPH_PWR
Figure 9-4
Huawei confidential. No spreading without permission.
Replace the
N
J1101
Replace the
N
F1101
Replace the
N
U1501
3.7-4.2V
Internal
J1101
5 1
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