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Flow Chart of Troubleshooting and Circuit Diagrams
3-1-7. Receiver Part
No sound on Receiver
Is the terminal of receiver
No signal at pin#1,6
of U606 ?
Is the signal at R626
of U606 ?
No signal at pin#2,5
of U606 ?
Is there signal at R607,
R613, C657, C658 ?
YES
NO
OK?
YES
NO
YES
NO
YES
NO
YES
NO
END
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Check the Receiver Terminal
Resolder or change U606
Resolder or change UCP300
Resolder or change U606
Resolder or change UCP300
3-20
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