When the results of check item (65) are "
01
"
(Detection of HPD is OK / Detection of RXSENSE is not OK )
When the results of check item (65) are "
02
"
(Detection of HPD is not OK / Detection of RXSENSE is OK )
Check item(69).
Checking the RXSENSE :
Does the test point of RXSENSE close to the HDMI output terminal
[
N1030
] indicate the 3.3 V?
N1030
D2+ D2- D1+ D1- D0+ D0- CK+ CK-
HDMI
OUT 2
HDMI
OUT 2
Check item(70).
Checking the HPD :
Does the voltage of HPD test point close to the HDMI output terminal
[
N1030
] indicate Hi (3-5 V)?
N1030
HPD
HDMI
OUT 2
HDMI
OUT 2
Check the RXSENSE. (Monitor2)
Check the HPD. (Monitor2)
HDMI Tx [
U1039
] is faulty.
Replace with a new device.
HDMI Tx [
U1039
] 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 Tx [
U1039
] is faulty.
Replace with a new device.
Check for a short circuit in the HPD line.
If there is no problem, the HDMI Tx [
U1039
] is faulty.
Replace with a new device.
NO
NO
YES
YES
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
121