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8-3-6. Speaker Part
Speaker does not work
Check the L407, L409
(Wiring the SPK N/P and
checking an waveform using
Does not work Voice call ?
Does not work Ringtone?
Is Speaker working?
(Listening through the
Yes
oscilloscope)
Yes
Yes
Yes
speaker)
Yes
END
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No
Resolder L407, L409, C401, C402,
No
No
Resolder or Replace UCP200,
No
(be possible of SPK Problems
8-17
Level 3 Repair
ZD402, ZD403
Resolder UCP200
SPK400,SPK401
Change Speaker
or not inserting it right.)
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