20 Most Recent NAD T763 Receiver Questions & Answers


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

NAD T763... | Answered on May 22, 2013


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.

NAD T763... | Answered on Aug 17, 2011


First of all you can't get sound from a router - Verizon or otherwise. The router is just for internet connection.
To get 7.1 sound you need either a native a 7.1 source like a DVD (or bluray) player or you need to convert the stereo signal that you get from the tv or the cable box in to a fake 7.1 signal.
If you do have a real 7.1 source then all you need to do is to connect them correctly - for that you will need 3 optical cables like
http://www.amazon.com/Toslink-Digital-Optical-Audio-Cable/dp/B0002MQGOK
that you connect between the provided jacks in the sources (bluray, cable box and tv) and the jacks on the NAD. A diagram of these jacks can be found in the manual, page 10.
If you don't have real 7.1 sources (almost all tv's and cable boxes are just stereo) then you must activate the convertor. The convertor is called Dolby Pro Logic IIx and to activate it you just go into the Menu, you go into the Listening Mode and in there you select the Pro Logic option. Full details can be found in the manual, starting with page 13.
If you no longer have the manual then download it from here
http://nadelectronics.com/content/100419112118-NAD-T785HD-EN.pdf

NAD T763... | Answered on Apr 22, 2011


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/

NAD T763... | Answered on Apr 20, 2011


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.

NAD T763... | Answered on Jan 29, 2011


That's a receiver only, so its only built in function is the tuner. You'll need a separate CD player, plugged into the CD input jacks on the receiver's rear panel.

NAD T763... | Answered on Jan 01, 2011


Some of these units have a circuit protection system that is made with capacitors and/or resistors. The caps can become overheated and eventually wear out. The relays themselves can also become faulty which seems most likely in your case. How is the fuse? Have you check the power form the main power supply to the circuit board? THere should be a label on the inside somewhere that says the DC voltage output. The mulit-meter you use to test it should match the sticker voltage output rating.

NAD T763... | Answered on Feb 07, 2010


This is a security feature that commonly gets activated when to much power is being passed through the main circuit. Seems to be more common in the units 5 years old and newer. There is likely a bad capacitor, resistor, or other componenet which you can test with an ohmmeter or better yet a multi-tester. You can find the componenets that do not have 25-30 ohms or 5 volts of power. Then you can solder off the old part, write down part number, get replacement probably from shopjimmy.com and solder in the new part.

NAD T763... | Answered on Oct 24, 2009


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.

NAD T763... | Answered on Jun 14, 2009


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.

NAD T763... | Answered on Dec 22, 2008

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