Blu Studio 5.0 II, Service Manual

Page: 31 / 44

Customer Service
Service Manual
31 / 44
NO/LOW SOUND FROM SPEAKER
Set the phone as
normal mode
Turn on the speaker,
measure the wave
signal by oscillograph
No sound or noise
Remove the speaker and
measure with multimeter
to see if there’s any
sound.
Replace speaker.
The phone is in
Silent mode .
Check and replace
FPC is ok or not.
Replace FPC .
Replace power IC or
MT6572
Yes
NO
NO
NO