How to fix no picture with HDMI connections on Denon AVR-789 Receiver?
If you're not getting a picture with HDMI connections on your Denon Receiver, here are a few things to check: * Ensure the HDMI connections are properly and securely connected. * Verify the HDMI input setting on your receiver. * Confirm that your monitor is compatible with copyright protection (HDCP). * Make sure the HDMI format of the player and the monitor match.
What to do if Denon AVR-789 does not operate properly?
If your Denon Receiver isn't operating correctly, it could be due to external noise or interference. Try resetting the microprocessor.
What to do if no sound is produced from Denon AVR-789 Receiver speakers?
If no sound comes from the speakers connected to your Denon Receiver, there might be several reasons: * A faulty connection with the input devices or speaker cables. * Mismatch between the selected device for playback and the set input source. * The master volume is set too low. * Mute mode is activated. * Headphones are connected. * No digital signals are being input. * Mismatch between the assigned digital input connectors and the settable input modes. To resolve this, check all connections, select the correct input source, raise the master volume, deactivate mute mode, disconnect headphones, ensure digital signals are being input, and verify the input mode settings.
Why is DTS sound not output from my Denon AVR-789 Receiver?
If DTS sound isn't being output, it could be due to these reasons: * The Blu-ray Disc player / DVD player’s audio output setting isn't set to bitstream. Check the Blu-ray Disc player / DVD player’s operating instructions for details. * The Blu-ray Disc player / DVD player is not compatible with DTS sound playback. Use a DTS-compatible player. * The AVR-789’s “Decode Mode” setting is set to “PCM”. Change it to the “Auto” or “DTS” mode.
How to troubleshoot no sound from surround back speaker on Denon AVR-789?
If you're not hearing sound from the surround back speaker, consider these possibilities: * The surround back speaker's power amplifier might be assigned to a different channel. Check the setting and change it if necessary. * The surround back speaker setting might be set to “None”. Change it to something other than “None”. * The “Parameter” – “Surround Parameter” – “SB CH Out” settings might be “OFF”. Change these settings to something other than “OFF”. * The surround mode might not be set to a mode for 6.1- or 7.1-channel playback. Select a surround playback mode.
Why no sound from center speaker on Denon AVR-789?
If you're not getting any sound from the center speaker, it could be because you're playing a monaural source (like TV or AM radio) in the “STANDARD” (Dolby/ DTS Surround) mode. Try setting the mode to something other than “STANDARD” (Dolby/ DTS Surround).
How to turn on display on Denon AVR-789?
If the display is off on your Denon Receiver, it could be due to: * The “Dimmer” setting being set to “OFF”. Change it to something other than “OFF”. * The PURE DIRECT mode being activated. Select a surround mode other than the PURE DIRECT mode.
Why Dolby TrueHD, DTS-HD, Dolby Digital Plus audio is not output on Denon AVR-789 Receiver?
If you're not getting Dolby TrueHD, DTS-HD, or Dolby Digital Plus audio, it could be due to the following reasons: * The HDMI is not connected. * The Blu-ray Disc player's audio output setting isn't set to bitstream. Refer to the Blu-ray Disc player's operating instructions for details. * The Blu-ray Disc player isn't compatible with DTS sound playback. Use a DTS-compatible player.
What to do if Denon AVR-789 power display flashes red?
If the power display on your AVR-789 flashes red at short intervals even after applying power, it indicates a failure in the amplifier circuit. Switch off the power and contact a DENON service advisor for assistance.
What to do if no sound from surround speakers on Denon Receiver?
If you're not hearing any sound from your surround speakers, it might be because the surround mode is set to “STEREO”, “DIRECT”, or “PURE DIRECT”. Change the setting to a surround playback mode.
General| Channels | 7.1 |
|---|---|
| HDMI Inputs | 4 |
| HDMI Outputs | 1 |
| Weight | 17.6 lbs |
| Response Bandwidth | 10 Hz - 100 kHz |
| HDMI Switching | Yes |
| Input Sensitivity | 200 mV |
| Total Harmonic Distortion | 0.08 % |
| DSP Preset Qty | 6 |
| Digital Sound Processor (DSP) | Yes |
| HDMI Pass-Through | Yes |
| Frequency Response | 10 Hz - 100 kHz |
| Audio Formats Supported | Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS-HD Master Audio |
| Amplifier Output Details | 90 W per channel (8 ohms) |
| Input Impedance | 47 kOhms |
| Audio D/A Converter | 24-bit/192 kHz |
| Surround Sound Effects | DTS Neo:6 |
| Power Output (8 Ohms) | 90 W |
All safety and operating instructions should be read before product operation.
Guidance on proper operation, including temperature, moisture, and object placement.
Identifies front panel, display, rear panel, and remote control components.
Details required audio, video, and speaker cables for system setup.
Explains how to navigate and operate the AVR-789's menu system.
Covers powering the unit on/off, adjusting volume, and temporary muting.
Details operating DENON audio components and presetting remote functions.
Explains ZONE2 setup and multi-zone playback configurations.
Provides solutions for common operational problems and error messages.
Details power amplifier ratings, output connectors, and analog/video specifications.
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