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Flow Chart of Troubleshooting
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7-17
7-9. Receiver Part
D813, D814 = 1.5V?
Resolder UCP200 or change PBA
END
No
Yes
Yes
Receiver does not work
,- PAD
= 1.5V?
Resolder UCP200 or change PBA
No
Yes
Is Receiver working?
Replace the Receiver
No
Yes
Check the soldering of the
Receiver contacts
No
Modify the receiver FPCB soldering
Yes