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Problem with Denon AVR-1907 7.1 Channels Receiver

h/p input on

it is showing "H/P INPUT ON" and I can not access the SYSTEM SETUP

Posted by avatar on Dec 20, 2007

    • By avataremailme778 Oct 11, 2008

    • I have the same problem. When I first turn on my 988, there is no sound. Then after a few minutes, i hear repeated clicking and the display shows H/P OFF and then H/P ON and then back to OFF etc... until finally after several clicks, it goes back to normal and I get sound. I tried pluging in the headphones and unplugging them but that doesn't help. I tried unplugging the power as well as doing a micro processor reset, and nothing seems to help. (ie, when i turn it back on again the next day, same problem).



      Any help would be appreciated. My unit is only 3 months old!

    • By avatarphilwah Jul 20, 2008

    • I have the same problem with the AVR-4802. It just started happening after owning the amp for about 5 years.



      Anyone have a solution to fix?

    • By avatarAVR1907 Jun 30, 2008

    • I have the same problem with the AVR 1907, H/P Input on message flickering with speaker on message, while relay switching sounds.

      When speaker on indicated sounds produced normally. When H/P input on there is no sound output.

      At the end no sound is produced any more.

      Did any one find a solution for this problem?

    • By avatarGuest May 03, 2008

    • Same problem with the 2.1 channel DRA-297. All sound cuts off and screen reads h/p input. I don't even know what that means. What's wrong here?

      When it happens, the receiver makes a clicking noise. it goes back and forth from being on to h/p input shutdown. sounds like someone repeatedly flicking a lightswitch.

      Thanks to whoever can help!

    • By avatarMightyMart Feb 12, 2008

    • I have the same issue with a Denon amplifier. It shows H/P INPUT ON. I loose sound and also cannot access the system setup menu. Did you find a solution to this problem ?

Solutions (7)

Best Solution

I had a similar problem and solved it by simply blowing in the headphone jack (h/p input).

  • By Author imagebalto1 Apr 10, 2010

same thing happened to me, and I was very puzzled, as the h/p on off only flickered on briefly, and there was nothing in the manual that explained it. troublshooting was also not helpful. Clearly the AVR was able to sense input, but nothing to any speaker.
When seeing solutions here it made sense h/p = Head Phone. Simply blowing in the head phone socket turned it off and fixed it. I'm sure plugging in headphone would also work

    • By avatarDonn John Dunn Nov 27, 2011

    • thank U so much... I spent all Saturday tearing apart the o&m manual and scratching every part of my head... Even thought about trying to find a service center to go to... the momentary flash of H/P input on is a very puzzling feature to try and find as U say... Well after reading this article and several hours of confusion, I walked over to the receiver and blew really hard into the headphone jack opening and beautiful noise suddenly appeared from my Bose speakers... A delight at that... many thanks to U and this article... John

plugging headphones in then unplugging worked for me.

H/P input on means headphones are plugged in.  Some Denon Receiver seems to sense the headphones plugged in FALSELY.  Try unplugging the AC cord and plugging it back in to reset receiver. 

Denon av 589. I have had this problem for a month loose sound and control panel a & b speaker unable to switch. Every now and then rapid clicking and speaker on - h/p on. Searched on speaker on no results and unable to find what speaker on was telling me. To night tried putting in a head set from a freind as have never used this feature. Since then no more trouble. Found this site after searching h/p on.

Plug in your head phones than unplug them

  • By Author imageGuest Aug 15, 2008

    • By avatarsam5878 Jan 28, 2011

    • you are a genius! i was so stressed out and i cdn't figure it out. thanks so much!

must have been a spider in the headphone jack! THANK YOU FOR THIS FIX! music again, ahhhh!

  • By Author imagejc77663 Feb 13, 2012

    • By avatarjc77663 Feb 13, 2012

    • moderator please delete the above, it should have been a "comment" in one of the solutions, not posted as a solution itself.

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