Lenovo A516 Service Manual - Page 22
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Repair Manual of Lenovo A516 Mobile Phone
3.6.2 No voice heard from your side during the call
Check whether MIC and the peripheral devices are
well welded; whether it is ok after re-welding?
Whether it is ok after replacing SUB
board?
Whether it is ok after replacing main
FPC?
Check whether MIC module device is well
welded. Re-welded this device and see whether it
is ok?
No voice heard from your side during the call
N
N
N
N
Check U1301
22
Y
Re-weld
Y
ＯＫ
Y
Y
OK