Coax In Does Not Work - Philips HTB3510 Service Manual

COAX in does not work

COAX in does
not work
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Check voltage at U27 PIN6/PIN23:3.3V on
Main Board whether normal or not
Yes
Check Main Board U27 CS8416 PIN3 input
signal whether normal or not
Yes
Check U27 CS8416 whether broken.
or not
Yes
Replace U27 CS8416
5-10
No
Check power supply circuit.
Check Main Board C360, L11
No
No
Check Main Board U8
Trouble shooting Chart