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Flow Chart of Troubleshooting
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7-11
7. Receiver Part
U302 pin Y7 = 2.8V?
Resolder or replace U302
END
No
Yes
Yes
Receiver does not work
Is Receiver working?
Replace the Receiver
No
Yes
No
Resolder or replace C341, C342
Yes
Check the soldering of the
spaeaker wire
No
Modufy the speaker wire soldering
Yes
C341, C342 = 1.2V?
