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 NOYES YES
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
121