HDMI Tx [U1039] is faulty.
Replace with a new device.
HDMI Tx [U1039] is faulty.
Replace with a new device.
Recheck from check item (3.3.).
If it does not work, replace the PCB.
Recheck from check item (3.3.).
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.
When the results of check item (3-13.4.) are "10"
(Detection of HPD is OK / Detection of RXSENSE is not OK )
When the results of check item (3-13.4.) are "20"
(Detection of HPD is not OK / Detection of RXSENSE is OK )
Check item(3-13.8.). Checking the RXSENSE :
Does the test point of RXSENSE close to the HDMI output terminal
[N1031] indicate the (3.3V)?
N1031
HDMI OUT
[MONITOR1]
D2+
D2-
D1+
D1-
D0+
D0-
CK+
CK-
Check item(3-13.9.). Checking the HPD :
Does the voltage of HPD test point close to the HDMI output termi-
nal [N1031] indicate Hi (3-5V)?
N1031
HDMI OUT
[MONITOR1]
HPD
Check the RXSENSE. (Monitor 1) Check the HPD. (Monitor 1)
NO NOYES YES
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
117
To Next Page
Loading...
Need help?
General
