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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
10-13
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10-1-6. Speaker Part
Speaker does not work
Yes
Is there sinewave
signal on the UCD401 pin 39,
41
during window
media playing?
No
Check UCD401 or Resolder
Yes
No
Check the
Pin 1,13 of U401 is High
Check U401 or Resolder
Yes
No
Check U401 or Resolder
Is there signal
on the U401 Pin 4,6,16,18
during window media playing
Yes
No
Replace the speaker
Check the speaker
= out of order or not
Yes
END