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When the results of check item (58) are "00"
(Detection of HPD is not OK / Detection of RXSENSE is not OK )
Check the RXSENSE/HPD. (Monitor)
Check item(64).
Checking the HPD and RXSENSE. :
Does the test point of RXSENSE close to the HDMI output terminal
[N1031] indicate the (3.3V)?
Does the voltage of HPD test point close to the HDMI output termi-
nal [N1031] indicate Hi (3-5V)?
N1031
HDMI
HDMI
OUT 1
OUT 1
HPD
YES
NO
Check for a short circuit in the TMDS/HPD line.
If there is no problem, the 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.
115
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