HDMI Switcher1 (
IC391
) is faulty.
Replace with a new device.
HDMI Switcher1 (
IC391
) 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 Switcher1 (
IC391
) is faulty.
Replace with a new device.
Check for a short circuit in the HPD line.
If there is no problem, the HDMI Switcher1 (
IC391
) is faulty.
Replace with a new device.
When the results of check item (19) are "
31 or 21 or 11 or 01
"
(Detection of HPD is OK / Detection of RXSENSE is not OK )
When the results of check item (19) are "
32 or 22 or 12 or 02
"
(Detection of HPD is not OK / Detection of RXSENSE is OK )
Check item(23).
Checking the RXSENSE. :
Does the test point near HDMI output terminal (
JK394
) indicate
(
3.3V
)?
JK394
D2+ D2- D1+ D1- D0+ D0- CK+ CK-
ZONE2
Check item(24).
Checking the HPD. :
Does the test point near HDMI output terminal (
JK394
) indicate
Hi(3-5V)
?
JK394 ZONE2
HPD
Check the TMDS. (HDMI ZONE2 OUT)
Check the HPD. (HDMI ZONE2 OUT)
NO
NO
YES
YES
103
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating
