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COAX in does not work
COAX in does
not work
Go
Check voltage at U22 PIN3/PIN22:3.3V on
Main Board whether normal or not
Yes
Check Main Board U22 CS8422 PIN2 input
signal whether normal or not
Yes
Check U22 CS8422 whether broken.
or not
Yes
Replace U22 CS8422
5-10
No
Refer to Power Board CN504
No
Check Coax in Board C18,L1
No
Check Main Board
Trouble shooting Chart
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