Question about NAD T763 Receiver

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My NAD T763 turns on but no sound comes out of any speakers

My wife said kids were watching a DVD movie when all of a sudden they heard a loud "pop" sound and the NAD receiver went out.  Later on, I turned the off/on button on back of receiver on, and the unit turned on.  Power to the unit seems to be o.k. now, but now there is no sound coming out of any of my speakers ( 2 fronts, center, 2 surround rear, and one subwoofer).  A similar incident occured like this approximately 2 weeks prior.  I came home from work turned the unit on and everything was fine.  This time no sound coming out of speakers.

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  • john_weller Jan 31, 2009

    All of a sudden no sound when watching a DVD.  Turned on and off several times.  No sound from any source.

  • cab012 Mar 05, 2009

    upon returning home from vacation I turned on my NAD T763 receiver, to find I've had no sound coming from any of my speakers.

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HI,
I had the same problem and AH reset did not work. IS there anything else i can do?
Thanks
Adrian

Posted on May 22, 2013

2 Suggested Answers

  • 79 Answers

SOURCE: NAD T763 - i turned it on and all the lights on

Have you tried doing a factory reset?

1. With unit powered ON, press the VIDEO and TONE DEFEAT buttons.
2. Display will show "AH RESET DONE".
3. Power off (from rear panel switch) and back on.

Posted on Jan 29, 2011

SOURCE: no signal on subwoofer out in Onkyo TX-SR703(E) - similar to TX-SR803

Hey Tad, I have the same problem and perhaps a solution. I just moved to the other SW "pre-out" and it seems to be working..the green light is on . Whatever works i guess.

Posted on May 14, 2008

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1 Answer

Hi I have a problem with my NAD 763 receiver. It suddently stopped putting sound out of the speakers. Checked speakers fuse, checked all wire and connectors. reset to factory default. tried multiple...


Is it muted?


Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'nekkid'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Check for loose speaker connections at the speaker as another possible root cause for intermittent shutdown.

Aug 17, 2011 | NAD T763 Receiver

1 Answer

NAD T-763 receiver. cannot get surround sound. all speakers work. should the 7.1 and or surround be connected to the receiver and what else. stereo works fine....two front speakers, in stereo mode. ...


Have you looked at the manual? There is no internal source that would produce 7.1 audio other than the test tones. Attach a multichannel source according to ITS manual.

Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/NAD-T763-Receivers-manual/id/8043bh646/t/2/

Apr 19, 2011 | NAD T763 Receiver

1 Answer

NAD T763 - i turned it on and all the lights on the display lit up and stay on. It doesn't work at all !! Any suggestions?


Have you tried doing a factory reset?

1. With unit powered ON, press the VIDEO and TONE DEFEAT buttons.
2. Display will show "AH RESET DONE".
3. Power off (from rear panel switch) and back on.

Jan 29, 2011 | NAD T763 Receiver

1 Answer

I will be watching either satellite or movies through my PS3 and the sound will suddenly go out. I"ll get a loud humming sound or static coming through the speakers. After i shut off the reciever...


hi,
may be there was some loose contact in ur receivers rear connections.thts why it produce the loud hum. use good quality inter connects. check is the all connectors are properly inserted or not.
ok

Dec 23, 2010 | Denon AVR-1508 Receiver

1 Answer

I was watching a movie on my denon avr-3808ci and all of a sudden it made a loud sound and it shut off. The power button was flashing red and wne I tried to turn it on, the power button would turn green...


probably one of your speakers has blown.. disconnect them all. turn the reciever on.
if this works turn it off connect one speaker and turn it on.. keep going until it goes red...
when you find the speaker discennect all the other speakers keep this one connected and confirm that it is this speaker giving issues.

if the amp doesn't come on with all speakers disconnected, remove the visual outs and start it with nothing connected. isolate the issue if this works. otherwise it might be your amp.

Oct 24, 2010 | Denon AVR 3808Ci Receiver

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YAMAHA HTR 5560 KEEPS TURNING OFF


sounds like you have the polairity reversed on the speakers
and yes it does make a difference
check polairity also make sure unit is well ventelated
you wouldnt use your compouter if it was inside a card board box
so make sure the reciever can breath also
recievers get too hot and they start blowing chips off the board

Jul 25, 2009 | Yamaha HTR-5560 Receiver

1 Answer

T763 Dead


This happens to many of those model. The problem is usually on the power board (if looking down into with the control panel facing your belly... it's the cluster of boards to the left, front of the unit. Look in the top, under the connectors. YOu sometimes have to dissassemble the thing alot to gety to it. Also, on the main board, under all the "cards" (the input/video circuit boards) and near the front (at the back of the cards) tere are heat sink mounted regulators that often need to be re-soldered.

The whole process is a pain, and can take a few hours to do properly, so most repair companies will charge accordingly. Yeah, it's a shame they made them like they did. If it's working, it's a good unit. Aside from these common failures.

Jun 13, 2009 | NAD T763 Receiver

1 Answer

Popping noise from speakers


sounds like the digital input and the component input are casing inteference , try removing the component video and see what happens

May 23, 2009 | Sony STR-DE695 Receiver

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YAMAHA HTR 5660 MAKES POPING SOUND WITH LOUD NOISE AND BRIGHT LIGHT


Looks like you've got the best connection available - initially I thought it might have something to do with decoding the prologic signal from the analog input, but obviously not! And since you've got the audio separate from the video it is unlikely there is any interference from the video signal in the cable. Have you tried a different DVD player (I reckon that is most likely)? Also try connecting the video signal DIRECTLY from DVD to the TV if you aren't already doing so (you are anyway aren't you - the HTR 5660 doesn't have HDMI out does it?) Finally, if you have some spare cables around, try changing them - see if you get the same response when using component video cable instead of HDMI.

Jan 26, 2008 | Yamaha HTR-5660 Receiver

1 Answer

Volume and multi channel output issue


Hi there. Are you familiar with board level repair for such products ? Your problem is most likely hardware. Either some of the final output transistors are fried, or it's a dsp problem, a regulator, a diode, a transistor in the circuit.. it could be a lot of things. But if everything was working fine and it quit someday without a change in the system's setup, it really looks like an hardware issue ! Do you have a way in the manual, that sets factory defaults, a kind of reset ? A lot of such units do have that. Try to unplug/interchange speakers as well, a shorted speaker could make the amp go nuts as well, but i wouldn't bet on it. Still, i'd check that out. Hope that helps ! cheebster.

Jun 26, 2007 | NAD T763 Receiver

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