Question about NAD T752 A/v Surround Sound Receiver

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NAD T752 display totally lit up. FM sound works but no frequency display.

I use the tuner and one day #( 9) appeared by itself on the display, then the display lit up comletely, tuner still works but I would like to have my display working. Any sugestions?

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  • 75,178 Answers

Sounds like display driver board {IC} has damaged. Contact any service technician. Electro help

Posted on Dec 08, 2014


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Posted on Jan 02, 2017


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1 Answer

How many watt (power) is this?

  • 24 Watts Total Power
  • Active Clear Sound (ACS) to improve clarity for better balance with deep lows
  • AUX Input
  • 3 Preset Equalization Settings
  • Digital Tuner with Auto Preset
  • 15 AM and 30 FM Station Memory
  • Twist Lock CD and Cassette Doors
  • 1-bit D/A Converter
  • Continuous, Repeat, and Random Play
  • Programmable up to 20 tracks
  • Auto-Reverse Cassette Transport
  • Full-Logic Tape Control
  • CD Synchro-Start Recording
  • 2- 4" Full-Range Speakers
  • 4-Layer Voice Coil: shifts down the lowest resonance frequency and increases driving power
  • Long Labyrinth Ducts: extend the frequency response down to the lowest frequencies
  • Speaker Illumination: the illuminated center cap blinks with the rhythm of the music
  • Carrying Strap with Remote Control Holder
  • Clock/Timer with Sleep and Wake-up
  • Back-lit Illuminated LCD Display
  • Full Function Remote Control
  • 1 Year Parts and Labor Warranty
  • Weight: 13.5 lbs.
  • Width: 21 3/8"
  • Height: 8 9/16"
  • Depth: 10 1/4"
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    NAD 272 Channel drop out

    well..this is one for the books. Can you tell me what the ratings are between the 252 and the 752 impedance matching wise? even though it might work sometimes, impedance matching can wreak havoc between mismatched amps.

    what are you driving from the 752 into the 252?

    Mar 10, 2008 | Audio Players & Recorders

    1 Answer

    Can't get the tuner to work

    I'd like a little more info, but I may be able to help anyway based on my experience with these....
    Does the T752 behave this way when using the source selector knob, or just the remote, or both? If the buttons work fine, but not the remote, check the batteries in the remote and try again.
    Does the remote and/or the source selector knob successfully let you select other sources? If so, the next thing to check is the sea of ribbon connector cables inside. If you've never done anything like this before, PLEASE DON'T try. Not only are there so many ribbon cables inside that you could accidently disable something else, but there is enough capacitance inside that amp to give you a REALLY nasty shock, even with it unplugged and turned off.
    Now, if that hasn't scared you away and you want to check, or you want to have some info for your local tech, The tuner itself is just behind the antenna plug-in on the back of the unit, in a shiny metal-shielded box. There is a wide, thin white ribbon cable running from the tuner card down to the main board underneath. Make sure both connections are firmly seated, and are in STRAIGHT, and that the bottom connector's locking clamp is in place. Oh yes, make sure to pull up on that locking clamp before re-seating the cable. The cables are fragile, prone to lose connection, especially if the receiver has been moved recently.
    If re-seating the cable doesn't cure the issue, a tech will need to check the source selector chip and circuitry.

    Sep 24, 2008 | NAD T752 Receiver

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    NAD T752 Receiver. The unit cuts off after about 2 hours operation.

    It's sitting on a totally open cabinent with sufficient space around it.

    Sep 10, 2008 | NAD Audio Players & Recorders

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    Right Channel Not Working

    I have had the front, left and right channels go out over time. I have fixed all of them, and each time it has turned out to be a cold solder joint. While I love NAD and will continue to purchase there equipment, this generation is plagued with poor workmanship.

    To fix the channel going out, I removed the top cover. Back cover and 2nd card from the left (looking at the receiver from the back side). This card handles all of the audio processing. I have found cold solder joints all over this board which has caused channels to suddenly go quite. I have never found a bad component. Also, I have cleaned the interconnect to be backplane (board that the audio processing board connects to) in the case of the center channel going quite.

    If you have poor FM reception, the first board from the left (looking at the receiver from the back side) may have a cold solder joint on the coaxial connection for the FM antenna.

    Apr 26, 2008 | NAD T752 Receiver

    1 Answer

    OSD for NAD T752

    The blue screen indicates a proper connection (signal received by the monitor). Try selecting "amp" on your HTR 2 remote then use any directional button at the center of the remote, the keys which circle the "Enter" button. Hopefully you will then see the menu appear. Use the same directional keys to navigate the menus.

    Mar 28, 2008 | NAD T752 Receiver

    1 Answer

    NAD 402 Tuner problem

    It's sounds like a chip gave up the ghost. You may want to try
    turning in on and off a few times to see if you can get the culprit
    to function properly again. Electronics are strange creatures in that you can at times just shake them and they will begin to function properly again. A loose wire here or there, instead of any real problem.

    However, if the problem's more serious, given the cost of servicing these products, you may be better off just going to Ebay and buying a used one.

    I recently purchased a nice used NAD 402 with original box
    for $58. Upon arrival I found that the backlight to the digital display was not functioning, however the display itself was, and the sound of the tuner is amazing. It is nearly the equal of many tuners which I have owned in the past at as much as 50 times the price.

    Best of luck to you...

    Sep 06, 2007 | NAD Audio Players & Recorders

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