Denon AVR-X2300W Service Manual page 100

When the results of check item (42) are "01"
(Detection of HPD is OK / Detection of RXSENSE is not OK )
Check the RXSENSE. (Monitor2)
Check item(46). Checking the RXSENSE. :
Does the test point of RXSENSE close to the HDMI output terminal
(N1030) indicate the 3.3 V?
YES NO
Check for a short circuit in the TMDS line.
If there is no problem, the HDMI Tx (U1039) is faulty.
Replace with a new device.
HDMI Tx (U1039) is faulty.
Replace with a new device.
Recheck from check item (4).
If it does not work, replace the PCB.
When the results of check item (42) are "02"
(Detection of HPD is not OK / Detection of RXSENSE is OK )
Check the HPD. (Monitor2)
Check item(47). Checking the HPD. :
Does the voltage of HPD test point close to the HDMI output terminal
(N1030) indicate Hi (3-5 V)?
YES NO
Check for a short circuit in the HPD line.
If there is no problem, the HDMI Tx (U1039) is faulty.
Replace with a new device.
HDMI Tx (U1039) is faulty.
Replace with a new device.
Recheck from check item (4).
If it does not work, replace the PCB.
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