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Marantz NR1508 - Page 104

Marantz NR1508
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When the results of check item (54) are "00"
(Detection of HPD is not OK / Detection of RXSENSE is not OK )
Check item(60). Checking the HPD and RXSENSE. :
Does the test point of RXSENSE close to the HDMI output terminal
[N1018] indicate the (3.3V)?
Does the voltage of HPD test point close to the HDMI output terminal
[N1018] indicate "Hi" (3-5V)?
N1018
HDMI
[OUT]
D2+
D2-
D1+
D1-
D0+
D0-
CK+
CK-
HPD
Check the RXSENSE/HPD. (Monitor)
HDMI Rx/Tx [U1027] is faulty.
Replace with a new device.
Recheck from check item (3).
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 Rx/Tx (U1027) is faulty.
Replace with a new device.
NOYES
104
Caution in
servicing
Electrical Mechanical Repair Information Updating

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