Table of Contents
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Flow Chart of Troubleshooting
9-8. Speaker Part
Speaker does not work
Yes
Check L400 and L401
OK
Check the pin #5, #8
of U403
OK
Check R444 and R446
OK
Check UCP200
OK
END
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Not OK
Solder L400 and L401 again
Not OK
Not OK
Solder R444 and R446 again or
Not OK
9-16
Not OK
Replace the speaker
Solder U403 again
replace U401
Replace UCP200
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