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Flow Chart of Troubleshooting and Circuit Diagrams
10-16
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10-1-7. Receiver Part
Receiver does not work
No
Check UCD401 or Resolder
Check the
Pin 23,24 of UCD401 = some
signal on
Yes
Check the
Pin 35,36 of UCD401=
some signal on
Check UCD401 or Resolder
No
Yes
Check U409 or Resolder
No
Check the
Pin 2,10 of U409=
some signal on
Yes
Resoldering R434,R438
Check the
R434,R438 =
some signal on
No
Yes
Replace the Receiver
No
Check the
Receiver = Out of order or
not
Yes
END