When the results of check item (52) are "
00
"
(Detection of HPD is not OK / Detection of RXSENSE is not OK )
Check item(58).
Checking the HPD and RXSENSE. :
Does the test point of RXSENSE close to the HDMI output terminal
(
JK432
) indicate the (3.3V)?
Does the voltage of HPD test point close to the HDMI output terminal
(
JK432
) indicate "Hi" (3-5 V)?
JK432
D2+ D2- D1+ D1- D0+ D0- CK+ CK-
HPD
Checking the HPD/RXSENSE status register. (Monitor2)
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.
NO
YES
118
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating
