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Denon AVR-X4500H - Page 141

Denon AVR-X4500H
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When the results of check item (3-16.11.) are "00"
(Detection of HPD is not OK / Detection of RXSENSE is not OK )
Check item(3-16.17.). Checking the HPD and RXSENSE. :
Does the test point of RXSENSE close to the HDMI output terminal
[JK432] indicate the (3.3V)?
Does the voltage of HPD test point close to the HDMI output terminal
[JK432] indicate Hi (3-5V)?
JK432
HDMI OUT
[MONITOR2]
D2+
D2-
D1+
D1-
D0+
D0-
CK+
CK-
HPD
Checking the HPD/RXSENSE status register. (OUT2)
HDMI Tx [IC431] is faulty.
Replace with a new device.
Recheck from check item (3.4.)
If it does not work, replace the PCB.
Check for a short circuit in the TMDS/ HPD line.
If there is no problem, the HDMI Tx [IC431] is faulty.
Replace with a new device.
NOYES
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
141

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