Denon AVR-3311CI - 5.3. No picture or sound is output

84
Checking the set (AVR-3311CI):(If no picture is output)
Check the analog video circuit.
Are video signals output from U4203 pin 27 (Y) and pin 24 (C)? You do not use the USB hub.
NO
Checking the set (AVR-3311CI):(If no sound is output)
YES
YES
Check the Digital audio circuit.
Are S/PDIF signals output to U3000 pin 21?
U3900 and surrounding circuitry is
defective.
NO
5.3. No picture or sound is output