Marantz NR1609 - Page 114

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.
Recheck from check item (3).
If it does not work, replace the PCB.
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.
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.
When the results of check item (58) are "10"
(Detection of HPD is OK / Detection of RXSENSE is not OK )
When the results of check item (58) are "20"
(Detection of HPD is not OK / Detection of RXSENSE is OK )
Check item(62). Checking the RXSENSE :
Does the test point of RXSENSE close to the HDMI output terminal
[N1031] indicate the (3.3V)?
N1031
D2+ D2- D1+ D1- D0+ D0- CK+ CK-
HDMI
OUT 1
HDMI
OUT 1
Check item(63). Checking the HPD :
Does the voltage of HPD test point close to the HDMI output termi-
nal [N1031] indicate Hi (3-5V)?
N1031
HPD
HDMI
OUT 1
HDMI
OUT 1
Check the RXSENSE. (Monitor) Check the HPD. (Monitor)
NO NOYES YES
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
114