Marantz SR5012 Service Manual page 125

When the results of check item (66) are "01"
(Detection of HPD is OK / Detection of RXSENSE is not OK )
Check the RXSENSE. (Monitor2)
Check item(70). Checking the RXSENSE. :
Does the test point of RXSENSE close to the HDMI output terminal
[N1030] indicate the 3.3 V?
N1030
HDMI HDMI
OUT 2 OUT 2
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 (3).
If it does not work, replace the PCB.
When the results of check item (66) are "02"
(Detection of HPD is not OK / Detection of RXSENSE is OK )
Check the HPD. (Monitor2)
Check item(71). Checking the HPD :
Does the voltage of HPD test point close to the HDMI output terminal
[N1030] indicate Hi (3-5 V)?
N1030
HDMI HDMI
OUT 2 OUT 2
HPD
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 (3).
If it does not work, replace the PCB.
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