Samsung SGH-E200 Service Manual - Page 43

Speaker PartMelody

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9-6. Speaker Part(Melody) Speaker does not work Yes U500 pin 7 = 2.9V? Yes Check the signal at Pin 8, 9 of U500 > 1.3V Yes Check the signal at Pin 15, 17 of U500 Yes Is Speaker working? Yes END Flow Chart of Troubleshooting No Resolder or replace U500 No Resolder the C503, C505 No Resolder or replace U500 No Change the Speaker 9-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-11
9-6. Speaker Part(Melody)
U500
pin 7 = 2.9V?
Speaker does not work
Check the signal at
Pin 8, 9 of
U500
> 1.3V
Resolder the C503, C505
No
Yes
No
Resolder or replace U500
Yes
END
Yes
Is Speaker working?
Change the Speaker
No
Yes
Check the signal at
Pin 15, 17 of
U500
Resolder or replace U500
Yes
No