Denon AVR-687 - User Manual

Other manuals for Denon AVR-687

Specifications2 pages

Questions and Answers

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vanessapollardAug 18, 2025
What to do if my Denon AVR-687 Stereo Receiver display is lit but no sound is produced?
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  Peter Sullivan DDSAug 18, 2025
  If your Denon Stereo Receiver's display is lit but you're not getting any sound, there are several potential causes and solutions: * Ensure the speaker cables are securely connected. * Verify that the INPUT SELECTOR knob is in the correct position. * Increase the volume, as it may be set to minimum. * Deactivate MUTING if it's enabled. * Confirm that a digital signal is being input and that the correct digital signal input source is selected.
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Allison DavisAug 21, 2025
Why is there no sound coming from my Denon AVR-687 subwoofer?
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  Mrs. Colleen Young DDSAug 21, 2025
  If you're not getting any sound from the subwoofer connected to your Denon stereo receiver, check the following: * Ensure the subwoofer's power is turned on. * Verify the subwoofer's initial setting is set to “YES.” * Confirm the subwoofer's output is properly connected. * Make sure the subwoofer's channel volume level isn't set to “OFF”. Turn the subwoofer’s channel volume level up.
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joseph67Aug 23, 2025
What to do if my Denon Stereo Receiver display is not lit and there is no sound?
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  Michael NelsonAug 23, 2025
  If the display is not lit and no sound is produced when the power switch is on, check the power supply cord plug to ensure it is securely plugged in.
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sara33Aug 26, 2025
Why is there no DTS sound produced on my Denon AVR-687 Stereo Receiver?
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  Lauren GrahamAug 26, 2025
  If no DTS sound is being produced by your Denon Stereo Receiver, consider these possibilities: * The DVD player’s audio output setting might not be set to bit stream. Make the DVD player’s default settings. * The DVD player may not be DTS-compatible. Use a DTS-compatible player. * The AVR-687’s input setting may be set to analog. Set to “AUTO” or “DTS.”
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abrooksAug 28, 2025
Why are no test tones produced by my Denon Stereo Receiver?
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  Bruce RodriguezAug 28, 2025
  If no test tones are being produced by your Denon Stereo Receiver, it's likely because the surround mode is set to a mode other than STANDARD (Dolby/DTS Surround). Set to STANDARD (Dolby/DTS Surround).
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Jennifer SmithAug 31, 2025
Why is there no sound from the surround speakers of my Denon Stereo Receiver?
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  fburgessAug 31, 2025
  If you're not getting any sound from the surround speakers of your Denon Stereo Receiver, the surround mode might be set to “STEREO”. Set to a mode other than “STEREO.”
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boltondonaldSep 2, 2025
Why does my Denon AVR-687 power off and the power indicator blink red?
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  William GarciaSep 2, 2025
  If your Denon AVR-687's power has turned off and the power indicator is blinking red, it indicates the protection circuit has been activated. This could be due to a few reasons: * The unit's internal temperature may have risen. Ensure the AVR-687 is in a well-ventilated area. * The speaker cables' core wires might be touching each other or the AVR-687's rear panel. Check the connections of all speaker cables.
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Tammy SampsonSep 5, 2025
How to fix a Denon AVR-687 Stereo Receiver when the remote control is not working?
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  Adam JonesSep 5, 2025
  If your Denon unit isn't responding to the remote control, consider these potential solutions: * Replace the batteries with new ones. * Move closer to the unit. * Ensure there are no obstacles between the remote and the unit. * Make sure you're pressing the correct button. * Check that the batteries are inserted with the correct polarity (+ and -).
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Allison FoxSep 7, 2025
Why is nothing displayed on the monitor connected to my Denon AVR-687?
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  smithkimberlySep 7, 2025
  If nothing is displayed on the monitor connected to your Denon Stereo Receiver, here are a few things to check: * Ensure that the AVR-687’s video output terminals and the monitor’s input terminals are correctly connected. * Verify that the monitor’s input setting is correctly set to the terminals to which video signals are connected. * If using component terminal for the player and video terminal (yellow) or S-Video terminal for the TV, note that down-conversion is not possible for progressive video signals. Make the interlace settings on the player.
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townsendveronicaSep 10, 2025
Why is sound only coming from the center speaker of my Denon AVR-687 Stereo Receiver?
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  Julie BrownSep 10, 2025
  If sound is only coming from the center speaker on your Denon Stereo Receiver, it might be because you're playing a monaural source (like TV or AM radio) in the STANDARD (Dolby/DTS Surround) mode. When playing monaural sources, select a surround mode other than STANDARD (Dolby/DTS Surround) mode.