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Question about Kenwood VR-5700 Receiver

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Kenwood Sovereign VR5700 Receiver mutes without prompting. I've tried: 1) shutting off and on 2) testing other inputs and headphones. Non work 3) testing different speakers. Non work It's a well ventilated area which doesn't appear to be overheating. This problem began happening sporadically about 8 months ago and switching the receiver off and on would resolve but now the mute button blinks 4 times when first turned on and never produces sound. Has this 10 year old receiver seen it's last days. Is it repairable or should I get the latest receiver that will last another decade? If the latter, any suggestions?

Posted by Anonymous on

  • Anonymous Oct 04, 2011

    Seems I was able to resolve this one myself. Although the manual doesn't provide reset instructions, I was able to reset and resolve this issue by:
    1) unplugging the power cord
    2) press and hold the power button while plugging in the power cord. So, yes, simultaneously
    3) release hand from plugged in power cord while holding power button a few second
    4) Turn on
    It worked for me. I hope it works for you!

  • Anonymous Oct 08, 2011

    David, thanks for your comment. I did both read the manual and try the mute button. Clearly that wasn't obvious. My reset solution (which is NOT in the manual) only worked for 3 days. In fact, I started experiencing video issues with one of the inputs and when I reset it, I got the video back but lost the sound again. So, I'm back to square one. I learned that the 4 mute blinks when it first turns on is expected for this unit but the sound should kick in after a few seconds. To reiterate, the real challenge is that the sound sporadically exists and the video is starting to do the same. Any suggestions on a resolution? If not can anyone suggest a new but comparable receiver that I can use with other Kenwood Sovereign products? I would appreciate the help!

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I don't see you trying the MUTE button. Page 71. Second bullet. Blinking MUTE is actually mentioned.

http://www.retrevo.com/support/Kenwood-VR-5700-Receivers-manual/id/480ag222/t/2/

It's always a good idea to read the manual.

Posted on Oct 06, 2011

  • Anonymous Oct 08, 2011

    More triage to establish failure boundaries is in order. Concentrating on just the audio: we need to prove the audio is still flowing inside the receiver before deciding to tackle amplifier self-protection as a cause.

    Read pages 69-70.

    What source(s) fail? All, one, test tones?

    Next time it goes silent observe if there was a click of the relay that you normally hear when it comes up correctly. That would indicate it is in distress and tryng to protect itself. Carefully disconnect each speaker AT THE BACK OF THE RECEIVER and see if it comes back up without needing to be reset. DON'T SHORT THE CONDUCTORS while either one is still attached to the receiver.

    If it still fails to drive the speakers, select the speaker test menu and see how that goes. Since it's an internally-generated tone it bypasses most of the logic and circuitry the 'normal' sources would pass through. If the tone works you have a preamplifer/processor level sound loss.
    Prove a source is flowing internally (FM) by running a set of RCA cables from any pre-out or Tape Out to any device you have that accepts Line Level RCA input and has its own speakers (TV???). If the sound is NOT there it's getting lost higher up the chain instead of out at the amplifiers.

  • Anonymous Feb 28, 2021

    i have the same issue with the same receiver and the speaker test menu doesnt provide any tones. what should i test next?

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