Huawei Mediapad S7-PRO Maintenance Manual page 57

2012-07-20
S7-PRO Maintenance Manual (Basic Version V2.1)
SD card identification fails
Check whether the voltage of
C514 on the main board
（PCB） is 2.85 V
Yes
Check whether the voltage of R4
on the auxiliary board is 2.85 V
Yes
Check whether short circuit to
ground occurs in R10, R9, R12,
R13, and R8 on the auxiliary
PCB
Yes
Repair the auxiliary board
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No Replace U7
Replace the FPC connecting the
No
main board PCB and auxiliary
board PCB
No Replace the SD card socket
INTERNAL
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