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Flow Chart of Troubleshooting
9-17
9-8. Speaker Part
Speaker does not work
Yes
Not OK
Check the circuit
from L500, L501
Resolder L500, L5001
OK
Replace UCP 200
Check UCP 200
OK
END
Replace speaker
Not OK
Resolder U502
Not OK
Check the U502
(PIN 15, 17)
Yes
Check R515, R516
No
Resolder or Replace U502
OK
Not OK
