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Level 3 Repair
8-18
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8-3-6. Speaker Part
UCP200 pin W18, W19
> 3.7 V
(Wiring the SPK N/P and
checking an waveform using
oscilloscope)
Speaker does not work
Does not work Voice call ?
Replace UCP200 using a Heatgun
(be possible of being UCP a bad sample)
No
Yes
No
Resolder C227 AND R209
(be possible because of soldering not well)
Yes
Does not work Ringtone?
(Menu->settings->profiles
->options->Edit->
select the Call ringtone)
Resolder or Replace UCP200, SPK300
(be possible of soldering not well or being
UCP a bad sample)
No
Yes
END
Yes
Is Speaker working?
(Listening through the
speaker)
Change Speaker ASS'Y
(be possible of SPK Problems
or not inserting it right.)
No
Yes