Table of Contents
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Flow Chart of Troubleshooting
9-6. Speaker Part(Melody)
Speaker does not work
Check the connection
of HDC500
Check the signal at
C507, C508 of U501
Check the signal at
C500, C546, C540 of
Does it work?
Yes
Yes
Yes
HDC500
Yes
Yes
END
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No
Replace the Speaker Module
No
Check all power source
and resolder or r eplace U502
No
Check all power source
and resolder or r eplace U501
No
Change the PBA
9-16
related U502
related U501
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