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Brian Cook Posted on Dec 26, 2018

NAD T743. When using Cd via unit cannot obtain sound on TV. how can I fix to receive sound?

5 Related Answers

Anonymous

  • 1512 Answers
  • Posted on Jun 03, 2008

SOURCE: no sound from right speaker when mp3 connected through aux

Hi bustero78

What happens when you rotate the plug or wriggle it about. If it cuts in and out, then you may have a faulty interconnect lead, or a dodgy socket/plug connection to the player. If it works with headphones, I would suggest replacing the lead.

I am more than happy to answer any other questions you may have about it, just give me a hoy :) If you are still unsure, or have problems, then before you give a rating for this advice, please get back to me and we can try some more things.
Thanks for using FixYa, If you consider the advice I have given you as sound, a FixYa rating is a great reward for my efforts to help you. Cheers.

regards
robotek

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Anonymous

  • Posted on Sep 13, 2008

SOURCE: OVER HEAT

To reset the the T743 hold down the video 6 and the source up buttons for 3 seconds. then power up from the back button

Anonymous

  • 1 Answer
  • Posted on Dec 19, 2008

SOURCE: NAD 7140

The clicking is the sound of a bad relay. A relay is an electrical switch that opens and closes under the control of another electrical circuit. There is no user solution for this. You'll have to take it to an electronics repair shop (~$150) or dump the whole unit.

Anonymous

  • 36 Answers
  • Posted on May 02, 2009

SOURCE: no sound output from coaxial port on philips dvdr 3475

try setting your av signal selector to auto. if that daes not work go to your av set click on digital input setuo an make sure you have got one of your coaxial slots asigned to dvr1. you will get better sound by using a coaxial or optical hookup compared to hdmi. i've tryed both. hope this helps you , if it don't email me back at [email protected]. i also has a ppioneer av reciever, so i've been through the same trile and errors

Richard Gilpin

  • 1 Answer
  • Posted on Feb 04, 2010

SOURCE: NAD T743: The digital channels stop working after a short time.

I had the same problem just once, about a week and a half ago. Don't tell me that this problem is going to get worse.

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The amplifier has occasionally shut itself off due to overheating for the last 3 years (I've had it since 2005). But now it continuously shuts itself off and simly won' start up anymore. Does it need a...

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.

A heat sink is just a finned heat-conducting device for radiating heat to the air which should be flowing freely through the unit's ventilation holes. It can't break in normal use. But it CAN get clogged with dust reducing its effectiveness.

Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/NAD-T743-Receivers-manual/id/8043bh636/t/2/

Page 6

"Choose a location that is well ventilated (with at least several inches to both sides and behind), and that will provide a clear line of sight, within 25 feet/8 meters, between the receiver's front panel and your primary listening/viewing position-this will ensure reliable infrared remote control communications. The T 743 generates a modest amount of heat, but nothing that should trouble adjacent components. It is perfectly possible to stack the T 743 atop other components, but the reverse usually should be avoided. Nonetheless, it is generally preferable that the T 743 stand alone. It is especially important that sufficient ventilation be provided; if you are contemplating locating the T 743 within a cabinet or other furniture, consult your NAD audio/video specialist for advice on providing adequate airflow."

If you're lucky, you haven't finally toasted it. If you have, a hands on tech will need to sniff sround (literally) to find the dead component(s).

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My NAD T743 will not switch on. I haven't used for a couple of months and it was working just fine before. Now I tried switching it on using both the power button on the amp itself and the remote, to no...

Hi, have you checked the power button in the back to see if it got pressed by accident? It's a round button located right under the speaker inputs in the back.
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NAD T743: The digital channels stop working after a short time.

Hmm, sounds similar to my problem. Analog input and FM seems to work but all coax/opto input are dead ( for me there isn't a buzz).
Have you, fredrik648, solved your problem?
Anyone with ideas what to do?

Thanks
///Johan Westerlund.
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Nad 743 shuts off at -14db vol. Why?

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Using NAD t743 with Panasonic DMP-BD55

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Power on T743

Just had my t753 in bits... sounds like its overheating to me. Check that the fans on the bottom still turn and aren't clogged up with dust. Make sure that it has plenty of ventilation.

hmm, also try unplugging everything and leaving it on and see if it still freezes? ie check you're cabling is ok, there are no shorts from bare speaker wires etc...

Could try resetting it too? (in each case hold the buttons for 5 seconds then release)
- Firmware version: hold video 6 and tone control
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OVER HEAT

To reset the the T743 hold down the video 6 and the source up buttons for 3 seconds. then power up from the back button
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Turns itself off

NAD Technical Bulletin T743-H2005-06 describes the problem "Unit may shut down, shortly after turn on".  Reason: There is a diode on the standby board that maybe operating intermittently.  Solution: Locate and identify D756 on the standby board.  Change only if the diode is a 1N4148.  Change from a 1N4148 to a 1N4004 or equivalent.  
It is located near a transformer and some fuses.
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Does not respond to remote control

I have had the T743 for about three years now. The first unit which I got from the local shop was doing exactily like your described after couple of minutes use. Well, I took is back and got a new one covered by the warranty.

Unfortunately I never got any explanation to this problem from my local shop or anywhere else, so I guess the only way is to contact your local shop.
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