Speaker Part - Samsung SGH-T619 Service Manual

Flow Chart of Troubleshooting

9-6. Speaker Part

Speaker does not work
Check the supply voltage
Is the TA632 = 3.8V ?
Is the D-Amp(U601)
Check R621 and R622
Check the connection
Is Speaker working?
Yes
of U601.
Yes
output working?
Yes
status of SPK
Yes
Yes
END
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No
Check the VBAT or replace TA632
No
Resolder R621/R622 or replace U601
No
Re-solder the Speaker
No
Change the Speaker
9-10