Question about NAD T763 Receiver

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NAD T763 shutting down in certain modes

When listening to channel music (in DVD mode) or satellite TV, the sound from my front speakers shuts off and I have to turn the reciever off and back on again to get sound again. I am using a seperate 2channel amp to power my mains, and I had that unit serviced to make sure it was OK after a problem with one of my speakers. The receiver does just fine when in 7.1 EXT surround mode and plays all night with not a hint of problem. It only shuts down when in 2 channel mode. On two occasions, it also froze up and would not respond to remote control commands or by pushing buttons on the unit directly. NAD technical support had me do a factory reset, but the problem persists. I need to know if it is a receiver problem or an amp problem. I am fairly certain it is the receiver, but am looking for a second opinion. Also, switching from one "mode" (DVD, Satellite,EXT 7.1) there is an audible "thump" from my front speakers. Please help!

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Posted on Jan 02, 2017


SOURCE: Right surround channel not working in some modes

I had the same problem with the right channel.    It turned out to be a broken wire inside the receiver; it can be found connecting from the main PCB to the card for the 5.1 board.    After repairing the broken wire, it has worked fine.   


The harness connects the 5.1 low level signals to the board which are then redistributed to the amplifier section.     It is a bundle of wires in gray casing and with red, black and white wires (with shielding).


Find the offending wire, repair or replace and it should be fixed.


Hope this helps

Posted on Oct 27, 2007

  • 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

  • 8546 Answers

SOURCE: NAD T-763 receiver. cannot get

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

Posted on Apr 20, 2011

  • 1 Answer

SOURCE: How to reset a NAD L54 DVD reciever?

This is the technical solution, you have to open the unit:
Locate IC33 and connect pin 6 to ground, connect power, and then remove the ground connection at pin 6.
The unit will then boot up in factory default.

Henrik Pedersen

Posted on Dec 17, 2012

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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

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If you do get sound on all 5 speakers in disc (dvd) mode, but not when in TV mode, then take out the red and white AV cable, go buy a digital audio or SPDIF cable, and plug in the digital audio or SPDIF cable from the digital audio OUT of your TV or cable/satellite box to the "DIGITAL IN" of the HTS.

-Tha Mp3 Doctor

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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.

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