HDMI Tx (
IC431
) is faulty.
Replace with a new device.
Recheck from
check item (5).
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 (
IC431
) is faulty.
Replace with a new device.
When the results of check item (45) are "
00
"
(Detection of HPD is not OK / Detection of RXSENSE is not OK )
Check item(51).
Checking the HPD and RXSENSE. :
Does the test point of RXSENSE close to the HDMI output terminal
(
JK431
) indicate the 3.3 V?
Does the test point of HPD close to the HDMI output terminal (
JK431
)
indicate the Hi(3-5V)?
JK431
D2+ D2- D1+ D1- D0+ D0- CK+ CK-
HPD
Check the RXSENSE/HPD. (Monitor1)
NO
YES
Check item(52).
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 Monitor 2 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 (55)
Go to
check item (53)
Go to
check item (57)
Go to
check item (58)
115
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating
