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 NOYES YES
103
Caution in
servicing
Electrical Mechanical Repair Information Updating
To Next Page
Loading...
Need help?
General
Weight and Dimensions
