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Flow Chart of Troubleshooting
9-7. Speaker Part
Speaker does not work
Yes
Not OK
Solder R210, L115, L116, D104 and
Check R210, L115, L116,
D104 and D105
D105 again
OK
Not OK
Check Pin W18, W19 of
Solder UCP200 again or replace
UCP200
UCP200
OK
Not OK
Check the Pin #3, #5 of
Replace HDC300
HDC300
Not OK
OK
Replace the speaker
END
9-15
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