Samsung SGH D900i Service Manual - Page 48
Speaker PartMelody
View all Samsung SGH D900i manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 48 highlights
9-6. Speaker Part(Melody) Speaker does not work Yes U800 pin 14 = 2.9V? Yes U800 pin 2, 5 ≒ 1.8V? (When U800 operate) Yes CN701 pin 2,3 ≒ 1.8V? (When U800 operate) Yes Is Speaker working? Yes END Flow Chart of Troubleshooting No Resolder or replace U800 No Resolder U800 No Resolder CN701 No Change the Speaker 9-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
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)
U800 pin 14 = 2.9V?
Speaker does not work
U800 pin 2, 5 ≒ 1.8V?
(When U800 operate)
Resolder U800
No
Yes
No
Resolder or replace U800
Yes
CN701 pin 2,3 ≒ 1.8V?
(When U800 operate)
Resolder CN701
No
Yes
END
Yes
Is Speaker working?
Change the Speaker
No
Yes