HDMI Tx [
U3401
] is faulty.
Replace with a new device.
HDMI Tx [
U3401
] is faulty.
Replace with a new device.
Recheck from
check item (4).
If it does not work, replace the PCB.
Recheck from
check item (4).
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 [
U3401
] is faulty.
Replace with a new device.
Check for a short circuit in the HPD line.
If there is no problem, the HDMI Tx [
U3401
] is faulty.
Replace with a new device.
When the results of check item (66) are "
10
"
(Detection of HPD is OK / Detection of RXSENSE is not OK )
When the results of check item (66) are "
20
"
(Detection of HPD is not OK / Detection of RXSENSE is OK )
Check item(70).
Checking the RXSENSE :
Does the test point near HDMI output terminal [
N3402
] indicate
(
3.3V
)?
N3402
HDMI OUT
[MONITOR1]
D2+ D2- D1+ D1- D0+ D0- CK+ CK-
Check item(71).
Checking the HPD :
Does the test point (
HPD
) near HDMI output terminal [
N3402
] indi-
cate "
Hi(3-5V)
"?
N3402
HDMI OUT
[MONITOR1]
L3806: HPD
Check the TMDS. (HDMI OUT1)
Check the HPD. (HDMI OUT1)
NO
NO
YES
YES
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
125
