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Flow Chart of Troubleshooting
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9-15
9-7. Speaker Part
Speaker does not work
Yes
Not OK
Solder R210, L109, L110, ZD101 and
ZD102 again
OK
END
Not OK
Solder UCP201 again or replace
UCP201
Not OK
Check Pin W18, W19 of
UCP201
Check R210, L109, L110,
ZD101 and ZD102
OK
Replace the speaker