Denon AVR-S750H Service Manual

4. AUDIO
4.1. AUDIO CHECK
No audio output
Check the ANALOG AUDIO BLOCK
Check the DIGITAL AUDIO BLOCK
Check the ADC BLOCK
Check the HDMI BLOCK
Check for other causes
Check the HDMI BLOCK
See "Service Path Check Mode"
Check the DIGITAL AUDIO BLOCK
CHECK 1 INPUT SURROUND MODE SOURCE
Audio output OK? ANALOG 2CH DIRECT ANALOG
CHECK 2 INPUT SURROUND MODE SOURCE
Audio output OK? COAX or OPT -
Legacy
(PCM or DolbyDigital or dts…)
CHECK 4 INPUT SURROUND MODE SOURCE
Audio output OK? HDMI -
Legacy
(PCM2ch or DolbyDigital or dts…)
CHECK 6 INPUT Connect
AVR's (connected in HDMI) audio out-
put OK?
HDMI This unit's HDMI OUT → Other AVR's HDMI IN
Setting SURROUND MODE SOURCE
CEC STANDBY - HBR audio(DolbyTrueHD or dtsHD MA)
CHECK 5 INPUT SURROUND MODE SOURCE
Audio output OK? HDMI -
HBR audio
(DolbyTrueHD or dtsHD MA)
CHECK 3 INPUT SURROUND MODE SOURCE
Audio output OK? ANALOG 2CH MULTICH STEREO ANALOG
NO
NO
NO
NO
YES
YES
YES
YES
YES
NOYES
NOYES (DIGITAL AUDIO BLOCK is OK)
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
76

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