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
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