NAD Audio Players & Recorders - Recent Questions, Troubleshooting & Support

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Receiver wont turn on

make sure the trigger switch in the back did not get switched to trigger, if thats o.k. it may have 2 regulators 2 5.1 zener diode and a capacitor or 2 deffective on the board in the regulator circuit. I have yet to see any bad outputs in a Nad T752, but I have only worked on three so far. Larry James
10/21/2022 10:26:13 AM • NAD T752... • Answered on Oct 21, 2022
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Nad C542 Troubleshooting

found same problem with mine, solution .. place clean paper over the optic, then a magnet, leave for a few seconds, the build up of static causes a magnetic field in the optic preventing it tracking, have cured a few other brands with this as well .. shows manufactures are putting inferior parts in to their players, hope this helps !!
8/29/2022 3:19:26 AM • NAD C542 CD... • Answered on Aug 29, 2022
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Will the NAD T748 drive the bose 901 speakers?

Yes, the Bose user manualhttp://worldwide.bose.com/axa/assets/pdf/owner_guides/StereoSpeakers/901vi_guide.pdfsays that any amp with 10-450 WRMS is OK. The speakers impedance is given as 8 ohms, so the amp is compatible.Note that Bose say you have to have the Bose equalizer connected as well.
6/26/2022 1:00:30 PM • NAD T748 Home... • Answered on Jun 26, 2022
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Have a Nad 3020 using as preamp to Nad 2600 amp. Is there a way to hook up an equalizer

NAD (New Acoustic Dimension) was all the rage when I was into composite audio in the 1970s. Not sure why would want to tweak that sweet clear natural sound like the performers played it. Your problem will be that you are loading an amp to a pre amp. https://www.google.com/search?q=Nad+2600 https://www.google.com/search?q=Nad+3020 https://www.google.com/search?q=nad+3020+nad+2600+graphic+equalizer ..
3/5/2022 5:41:13 AM • NAD Audio... • Answered on Mar 05, 2022
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Nad 326bee popping sound?

Does it occur on both channels at the same time, (power supply) or independant channels, (coupling capacitor).
2/18/2022 5:59:47 AM • NAD Audio... • Answered on Feb 18, 2022
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NAD T752 Hi, When powering up,

It could be entering protect mode because it has no speakers wired to it, have you tried connecting to all 6 speaker - out connections. Often, if an amp can't detect a load on all 6 channels it won't work. Also, have you checked the thermal fuses? a blown fuse could cause this problem.
12/15/2021 10:40:07 AM • NAD T752... • Answered on Dec 15, 2021
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Nad c270 Channel

Ref NAD C272 Power Amp how do I connect a ground Wire to this Amp this amp has only got a 230 Bolt 2 Prong Plug. There is no 3 Rd Earth Prong .and when my amp is on get high pitch Noise on my speakers. I need to ground this amp how do I do this. Please Confirm
11/27/2021 9:49:19 PM • NAD C272... • Answered on Nov 27, 2021
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NAD 5425 CD Player display light out

Hi aartman

Yes it does have backlamps.

They are soldered to the PCB so you will need a few tools like a soldering iron, philips screwdrivers, solder, and some replacement lamps. Replace the lamps with this type from Farnell electronics. They have a 15000 hr life expectancy and last alot longer in the unit. I have tried many types of lamps over the years, and found these are the best choice if you want them to last.

FOR YOUR SAFETY-BE SURE TO DISCONNECT FROM THE MAINS BEFORE REMOVING THE LID

To get access to the lamps, you need to pull the main PCB out of the chassis to then get access to the bottom side of the printed circuit board where the 2 screws that retain the white lamp reflector assembly. Change both lamps with the type I mentioned,
6ab9edb.jpg Be careful not to flex the LCD display that is now exposed, it is quite fragile with the support of the lamp reflector cover no longer in place. ... reverse procedure to reassemble and away you go.

I am more than happy to talk about this solution with you further. Just ask away. Cheers

regards
robotek
10/3/2021 4:04:40 PM • NAD Audio... • Answered on Oct 03, 2021
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Nad t753 volume control knob doesnt work

I'm going to assume that you mean it jumps around, volume up/down by itself? If so, you have a bad rotary encoder. If you are interested in having your NAD repaired, please visit my website at audioserviceclinic.com. You may contact me there. Thank you.
9/13/2021 12:24:27 AM • NAD Audio... • Answered on Sep 13, 2021
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Intermittent Volume Control

9/13/2021 12:09:47 AM • NAD T743... • Answered on Sep 13, 2021
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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
4/13/2021 5:28:32 AM • NAD Audio... • Answered on Apr 13, 2021
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My NAD T750 will not power up unless I tilt it on its edge. Then all controls are working.

Bad connections along the front PCB.
2/7/2021 4:36:36 PM • NAD Audio... • Answered on Feb 07, 2021
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NAD C370 problem

I would suggest that the fuse in the amplifier has blown. This is usually caused by a bad amplifier component (duh!).

The unusual part of your problem is that sound is being passed. When a component dies, signal stops as the continuity is broken.

Which could also suggest the power supply. Transistors work like relays, you turn on the control signal and the transistor opens or closes. It isa possible that this control voltage is not being passed.


Either way, this will require shop work

Jeff
1/31/2021 11:55:16 PM • NAD C370... • Answered on Jan 31, 2021
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NAD T163 LCD display going in and out

Check your connections to the plug there will be a little spark. repair it
6/20/2020 6:04:38 AM • NAD Audio... • Answered on Jun 20, 2020
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Preamp/Processor missing menus/options for DTS

Solved the recognition of DTS signal issue but the DTS options/settings in the menus are still not appearing - believe the previous owner may have upgraded the software. The solution for the DTS signal recognition was an output setting on the DVD (blu-ray) player - digital output vs analog.
2/21/2020 7:30:31 AM • NAD Audio... • Answered on Feb 21, 2020
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The DVD player does not recognize disks that it used to play before.

It sounds like the DVD region (a setting in both your OS and your DVD hardware) may have been changed. DVD regions are the agreed upon method (by entertainment companies, hardware manufacturers and governments) to limit cross-border sharing of media. Most valid (read: non-pirated) DVDs have a region code. Your DVD drive will only play DVDs with a region code that matches the DVD region code set on the DVD drive.

You didn't mention your OS but if you are running Windows XP then go to Start->Control Panel->System->System->Hardward->Device Manager and find your DVD player. Right-click the DVD player and select Properties from the menu and you should see a properties dialog-box with a DVD region tab. This is where you can change the DVD region that your player will recognize. Be careful, don't play around here, most DVD players have an embedded limit on the number of times (4-or-so) the DVD region can be changed.

Hope this helps.

-Ed
10/28/2019 9:52:17 AM • NAD C541 CD... • Answered on Oct 28, 2019
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