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U8655
Maintenance Manual
Issue 1.0 (2012-02-23)
Power-on failure:
no current
Is the battery
connector J902
normal?
Y
Is Q201 normal?
Y
Re-solder or replace
U201
Weak current
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
9 Principles and Failure Analysis
N
Replace J902
N
Replace Q201
27
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