Huawei Y511-U030 Repair Manual page 68

XXXX The basic version Repair Manual
MIC no sound
Y
Check whether the normal
operating current
Y
MIC circuit device without
break or weld
Y
Connectivity check each signal
Y
Check the MIC circuit device
has no break or weld
Y
END
2013-09-25
V1.0
N
N
N
N
华为机密，未经许可不得扩散
internal public
Check MIC welding has no short
circuit
To replace or re welding of MIC
Check U301, replaced or re
welding
Re welding or replace the bad
device
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