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Low current（direct-current main power supply）
1.4.2
Appear lower current after press power key（15—80MA）ordinary below
reason：
a) Software fault：Ordinary force upgrade.
b) PM chip damage cause part of voltage without output.
c)
CPU or FLASH damage。
Boot sequence diagram on electricity
2013-10-18
YU220 service manualV1.0
Huawei secrets, no dispersion without permission
：
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