Denon AVR-791

Other manuals for Denon AVR-791

Service Manual149 pages

Manual Del Usuario84 pages

Specifications2 pages

Questions and Answers:

M
Mark LiSep 3, 2025
Why isn't the remote control working with my Denon AVR-791 Stereo Receiver?
- W
  William OlsenSep 3, 2025
  If your Denon Stereo Receiver remote control isn't working, try these steps: * Replace the batteries with new ones. * Make sure you're within 23 ft / 7 m of the unit and within a 30° angle. * Remove any obstacles between the remote and the unit. * Ensure the batteries are inserted correctly, checking the q and w marks. * Move the unit if the remote sensor is exposed to strong light.
J
Joseph WhitakerSep 1, 2025
Why is there no video output with HDMI connection on my Denon AVR-791 Stereo Receiver?
- B
  Brett EllisSep 1, 2025
  If no video is output with HDMI connection on your Denon Stereo Receiver, check the HDMI connector connections. Ensure the input source matches the connected HDMI connector. Also, verify that your TV is compatible with copyright protection (HDCP). If it's not, the video may not output correctly.
T
Tasha SmithAug 31, 2025
How to fix a Denon AVR-791 that does not turn on?
- H
  Hannah HerreraAug 31, 2025
  If your Denon Stereo Receiver isn't turning on, it might be due to the protection circuit being active. Disconnect the power plug from the electrical outlet, wait 5 to 10 seconds, and then plug it back in.
C
Christina MartinezAug 29, 2025
Why is there no sound from the subwoofer on my Denon AVR-791 Stereo Receiver?
- M
  Mary ShawAug 29, 2025
  If you're not getting sound from the subwoofer on your Denon Stereo Receiver, check the subwoofer connections and ensure the subwoofer is powered on. Set “Speaker Config.” – “Subwoofer” on the menu to “Yes.” Note that if “Front” and “Center” for “Speaker Config.” are set to “Large”, and “Subwoofer Mode” is set to “LFE”, no sound may be output from the subwoofers, depending on the input signal or selected surround mode.
S
Stephen TaylorAug 27, 2025
Why is there no sound from the front height speaker on my Denon AVR-791 Stereo Receiver?
- R
  Rachel JohnsonAug 27, 2025
  If you're not getting sound from the front height speaker on your Denon Stereo Receiver, set “Surround Parameter” – “Front Height” on the menu to “ON.” Also, set “Amp Assign” on the menu to “Front Height,” and ensure “Speaker Config.” – “Surround” is set to something other than “OFF.”
J
James McbrideAug 26, 2025
Why is there no sound from the surround back speaker on my Denon AVR-791 Stereo Receiver?
- J
  Jessica KennedyAug 26, 2025
  If your Denon Stereo Receiver is not producing sound from the surround back speaker, set “Amp Assign” on the menu to “Normal.” Also, set “Speaker Config.” – “S.Back” on the menu to something other than “None.” Finally, set “Surround Parameter” – “S.Back” on the menu to something other than “OFF,” and ensure the surround mode is not set to “STEREO.”
B
Brandon WhiteAug 25, 2025
Why is Dolby TrueHD, DTS-HD, Dolby Digital Plus audio not outputting on my Denon Stereo Receiver?
- S
  Samantha BushAug 25, 2025
  If you're not getting Dolby TrueHD, DTS-HD, or Dolby Digital Plus audio from your Denon Stereo Receiver, ensure you are using HDMI connections.
K
Kenneth RowlandAug 22, 2025
Why is there no audio output with HDMI connection on my Denon AVR-791 Stereo Receiver?
- C
  caldwellstephanieAug 23, 2025
  If there's no audio output with the HDMI connection on your Denon Stereo Receiver, check the HDMI connector connections. If you want audio from the speakers, set “HDMI Audio Out” on the menu to “Amp.” If you want audio from the TV, set it to “TV.”

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)