Denon AVR-X3500H Service Manual page 122

3-13. Tx failure detection procedure
Check the output terminal.
Check item(3-13.1.). Check the video output port for failure. :
Check the Monitor 1 output video signal is correct.
After checking the Monitor 1, change the HDMI cable connection from OUT1 to OUT2.
Turn off the AV AMP and turn it on again.
To check under the same conditions, use the same procedure as that for checking Monitor 1 when
checking the Monitor 2 output.
No video signal is output from both Monitor 1 and
Monitor 2.
Also, No video signal is output from Monitor 1 only.
No video signal is output from Monitor 2 only.
Go to check item (3-13.2.)
Go to check item (3-13.11.)
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