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ryanperezSep 9, 2025
How to troubleshoot a Denon AVR-991 Stereo Receiver that does not operate properly?
- JJose BuckleySep 9, 2025
If your Denon Stereo Receiver set does not operate properly, reset the microprocessor.
To Next PageTo Next PageHow to troubleshoot a Denon AVR-991 Stereo Receiver that does not operate properly?
If your Denon Stereo Receiver set does not operate properly, reset the microprocessor.
How to enable sound from front height speaker on Denon AVR-991?
If no sound is produced from the front height speaker on your Denon Stereo Receiver, set “Surround Parameter” – “F.Height” on the menu to “ON.” Additionally, ensure “Amp Assign” is set to “Normal” and “Speaker Config.” – “Surround” is set to something other than “None.”
How to turn on the display on a Denon AVR-991?
If the display is off on your Denon Stereo Receiver, set “Dimmer” on the menu to something other than “OFF”.
How do I enable DTS sound output on my Denon AVR-991 Stereo Receiver?
If your Denon Stereo Receiver is not outputting DTS sound, set “Decode Mode” on the menu to “Auto” or “DTS.”
What to do if no picture appears on Denon Stereo Receiver?
If no picture appears on your Denon Stereo Receiver, check the TV connection. Also, set the TV input correctly.
General| Type | AV Receiver |
|---|---|
| Signal-to-Noise Ratio | 102 dB |
| HDMI Outputs | 2 |
| 3D Support | Yes |
| 4K Support | Yes |
| Dolby Atmos | No |
| DTS:X | No |
| Total Harmonic Distortion (THD) | 0.05% |
| Frequency Response | 10Hz - 100kHz |
| Audio Formats Supported | Dolby TrueHD, DTS-HD Master Audio |
| Input Sensitivity/Impedance | 200 mV / 47 k ohms |
| Tone Control | Bass, Treble |
