Samsung GT-S5230 - Speaker Part(Melody)

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Flow Chart of Troubleshooting
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9-11
9-6.
Speaker Part(Melody)
Speaker does not work
Is the terminal of speake
r
OK?
check the specker
No
Yes
No
Resolder SPK_P
(
R117)
&
SPK_N
(
R115)
Check the
SPK_P
&
SPK_N
"
HIGH"
Yes
①
Yes
②
Change speaker
Is speaker OK?
END
No
No
Yes
Check the output circuit of
U103
(
Audio AMP)
Change or resolder around U103