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Fail to recognize T card.
1.12.2
T card in the signal path and no series resistance, analytical process is as
follows：
No camera
1.13
Schematic diagram.：
2013-10-18
YU220 service manualV1.0
Fail to
recognize
T card
VMCH_PMU Voltage is normal
Yes
SCLK,DAT,C
MD is
whether
normal?
Huawei secrets, no dispersion without permission
No
Reweld U501
Reweld
No
U301 or
replace
OK
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