When the results of check item (52) are "
01
"
(Detection of HPD is OK / Detection of RXSENSE is not OK )
When the results of check item (52) are "
02
"
(Detection of HPD is not OK / Detection of RXSENSE is OK )
Check item(56).
Checking the RXSENSE. :
Does the test point of RXSENSE close to the HDMI output terminal
(
JK432
) indicate the 3.3 V?
JK432
D2+ D2- D1+ D1- D0+ D0- CK+ CK-
Check item(57).
Checking the HPD. :
Does the voltage of HPD test point close to the HDMI output terminal
(
JK432
) indicate Hi (3-5 V)?
JK432
HPD
Check the RXSENSE. (Monitor2)
Check the HPD. (Monitor2)
HDMI Tx (
IC431
) is faulty.
Replace with a new device.
HDMI Tx (
IC431
) is faulty.
Replace with a new device.
Recheck from
check item (5).
If it does not work, replace the PCB.
Recheck from
check item (5).
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 (
IC431
) is faulty.
Replace with a new device.
Check for a short circuit in the HPD line.
If there is no problem, the HDMI Tx (
IC431
) is faulty.
Replace with a new device.
NO
NO
YES
YES
117
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating
