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SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-19
This Document can not be used without Samsung's authorization
8-3-6. Speaker Part
On MP3 playing,
L408, L405 > 2.0 V
(Wiring the SPK_N/P and
checking an waveform using
oscilloscope)
Speaker does not work
Check the status of
soldering L405, L408
(ex. Crack)
Resolder L405 & L408
(be possible because of soldering not well)
No
Yes
Not OK
Replace UCP200 using a Heatgun
(be possible of being UCP a bad sample)
OK
Is Speaker working?
(Listening through the
speaker)
Change Speaker
(be possible of SPK Problems)
No
END
Yes
Yes