Speaker Part - Samsung SGH-G400 Service Manual

Flow Chart of Troubleshooting

9-6. Speaker Part

Speaker does not work
No
Is the terminal of speaker
Check the Speaker Wire
OK?
Yes
No
Is there any signals at
Check UCP301
R504 and R508
Yes
No
Is there any signals at
Check the circuit around U502
AMP_SPK+and AMP_SPK-
Yes
Check CIF CAMERA FPCB.
Yes
END
9-12
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