Level 3 Repair
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8-14
8-3-
6
. Speaker Part
C302,C303
> 3.0 V
(Wiring the SPK N/P and
checking an waveform using
oscilloscope)
Speaker does not work
No
Yes
Resolder U
102
(be possible because of soldering not well)
Does not work Ringtone?
(Menu->settings->profiles
->options->Edit->
select the Call ringtone)
Resolder or Replace L303,309
(be possible of soldering not well or being
UCP100 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
Содержание SM-B105E
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