Denon AVR-791 Service Manual

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4. AUDIO
4.1. AUDIO CHECK
AUDIO OUTPUT : NG
Check ANALOG AUDIO BLOCK.
Check Digital AUDIO BLOCK.
Check via AD.
Check HDMI BLOCK.
Check other factors.
Check HDMI BLOCK.
Check Digital AUDIO BLOCK.
CHECK1
INPUT SURROND MODE SOURCE
ANALOG 2CH DIRECT ANALOG
CHECK2
INPUT SURROND MODE SOURCE
COAX or OPT --- Legacy(PCM or DolbyDigital or dts…)
CHECK4
INPUT SURROND MODE SOURCE
HDMI --- Legacy(PCM2ch or DolbyDigital or dts…)
CHECK6
Connect Setting SOURCE
HDMI OUT→other AVR HDMI IN CEC STANDBY
HD AUDIO
(PCM MULTI or DolbyTrueHD or dtsHD MA)
CHECK5
INPUT SURROND MODE SOURCE
HDMI ---
HD AUDIO
(PCM MULTI or DolbyTrueHD or dtsHD MA)
CHECK3
INPUT SURROND MODE SOURCE
ANALOG 2CH 7ch STEREO ANALOG
OK
OK
OK
OK
OK
NG
NG
OK (Digital Audio BOLCK is OK)
NG
NG
NG
NG

Denon AVR-791 Specifications

General

Number of Channels	7.1
HDMI Inputs	4
HDMI Outputs	1
Audyssey Technologies	Audyssey MultEQ, Audyssey Dynamic Volume, Audyssey Dynamic EQ
4K Pass-Through	No
Signal-To-Noise Ratio	100 dB
HDMI Switching	Yes
Input Sensitivity	200 mV
THD	0.08%
Surround Sound Effects	Yes
Digital Sound Processor (DSP)	Yes
DSP Preset Qty	7
Tuner Bands	AM/FM
Preset Station Qty	56
Auto Preset Memory	Yes
HDMI Pass-Through	Yes
Frequency Response	10Hz-100kHz
Power Output	90 W per channel (8 ohms, 20Hz-20kHz, 0.08% THD)
Dolby Technologies	Dolby Digital Plus, Dolby TrueHD
DTS Technologies	DTS, DTS-HD Master Audio, DTS-HD High Resolution Audio, DTS Neo:6
Response Bandwidth	10 - 100000 Hz
Input Impedance	47 kΩ
Audio D/A Converter	24-bit / 192kHz
DSP Presets	Rock Arena, Jazz Club, Mono Movie, Matrix, Virtual, Game
Tuning Range	AM: 520 - 1710 kHz, FM: 87.5 - 108 MHz
Connector Type	HDMI
Amplifier Output Details	90W x 7 (8 ohms, 20Hz-20kHz, 0.08% THD)
Video Conversion	Yes (Composite to HDMI)