Marantz SR5012 Service Manual page 123

When the results of check item (59) are "00"
(Detection of HPD is not OK / Detection of RXSENSE is not OK )
Check the RXSENSE/HPD. (Monitor1)
Check item(65). Checking the HPD and RXSENSE. :
Does the test point of RXSENSE close to the HDMI output terminal
[N1031] indicate the (3.3V)?
Does the voltage of HPD test point close to the HDMI output termi-
nal [N1031] indicate Hi (3-5 V)?
N1031
HDMI HDMI
OUT 1 OUT 1
HPD
YES NO
Check for a short circuit in the TMDS/ 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.
Checking between Monitor 2 and the TV.
Connect Monitor2 to the TV and check the following items with the TV turned on.
Checking the HPD/RXSENSE status register. (Monitor2)
Check item(66). Check the HPD and RXSENSE register value of the
HDMI TX device. :
Send the following command from Termite.exe.
Send the command "i 0000 0040 0001".
Move to the branch destination according to the value returned.
"03"
(Detection of HPD is OK / Detection of RXSENSE is OK )
"01"
(Detection of HPD is OK / Detection of RXSENSE is not OK )
"02"
(Detection of HPD is not OK / Detection of RXSENSE is OK )
"00"
(Detection of HPD is not OK / Detection of RXSENSE is not OK )
123
Example
Go to check item (67)
Go to check item (70)
Go to check item (71)
Go to check item (72)