Huawei Y511-U030 Repair Manual page 72

XXXX The basic version Repair Manual
After Insert the SIM
card the boot does not
recognize
Y
Check whether the normal
operating current
Y
Check SIM card of each contact
has no elasticity or weld
Y
Check whether the signal is ok
Y
Check whether the normal
working voltage VSIM SIM
card
Y
Check SIM card
peripheral devices have no
weld or short
circuit
Y
END
2013-09-25
V1.0
N
N
N
N
N
华为机密，未经许可不得扩散
internal public
Check the related devices have no
short circuit
To replace or re welding of SIM
card seat
Check PMU processing the fault
point
Check PMU has no weld or
damaged
replacement of devices or welding
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