HDMI Tx [
U1039
] is faulty.
Replace with a new device.
Recheck from
check item (3).
If it does not work, replace the PCB.
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.
When the results of check item (58) are "
00
"
(Detection of HPD is not OK / Detection of RXSENSE is not OK )
Check item(64).
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
D2+ D2- D1+ D1- D0+ D0- CK+ CK-
HPD
HDMI
OUT 1
HDMI
OUT 1
Check the RXSENSE/HPD. (Monitor1)
NO
YES
Check item(65).
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.
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)
Example
"
01
"
(Detection of HPD is OK / Detection of RXSENSE is not OK )
"
03
"
(Detection of HPD is OK / Detection of RXSENSE is 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 )
Go to
check item (69)
Go to
check item (66)
Go to
check item (70)
Go to
check item (71)
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
119
