Denon AVR-S750H Service Manual

When the results of check item (3-11.3.) are "00"
(Detection of HPD is not OK / Detection of RXSENSE is not OK )
Check item(3-11.9.). Checking the HPD and RXSENSE. :
Does the test point of RXSENSE close to the HDMI output terminal
[JK751] indicate the 3.3 V?
Does the voltage of HPD test point close to the HDMI output terminal
[JK751] indicate "Hi" (3-5 V)?
JK751
HDMI OUT
[MONITOR]
HPD
JK751
19pin
D2+ D2- D1+ D1- D0+ D0- CK+ CK-
Check the RXSENSE/HPD. (Monitor)
HDMI Rx/Tx [IC721] is faulty.
Replace with a new device.
Recheck from check item (3.3.).
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 [IC721] is faulty.
Replace with a new device.
NOYES
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
112

Denon AVR-S750H Specifications

General

Receiver type	stereo
Frequency range	10 - 100000 Hz
Input sensitivity	200 mV
Audio output channels	7.2 channels
Signal-to-Noise Ratio (SNR)	98 dB
Total Harmonic Distortion (THD)	10 %
Power output per channel (1KHz@6 Ohm)	165 W
Power output per channel (20-20KHz@8 Ohm)	75 W
AirPlay	Yes
Display	VFL
HDCP version	2.3
Apple docking	No
Product color	Black
Audio decoders	DTS-HD Master Audio, Dolby TrueHD
Volume control	Rotary
HDMI in	6
Composite video in	2
Digital audio optical in	1
Package depth	432 mm
Package width	523 mm
Package height	229 mm
Package weight	10614 g
AC input voltage	120 V
AC input frequency	60 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	400 W
AM band range	520 - 1710 kHz
FM band range	87.5 - 107.9 MHz
Supported radio bands	AM, FM
Audio formats supported	AAC, ALAC, DSD, FLAC, MP3, WAV, WMA
Image formats supported	JPEG
Speakers connectivity type	RCA

Weight and Dimensions

Depth	330 mm
Height	152 mm
Weight	8618 g