Question about NAD T752 Receiver

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Right Channel Not Working

The RIGHT front channel of my NAD T752 is not working properly. THere is a faint sound coming form the speaker, but that is all. I have run all normal diagnotics (switched speakers multiple times, changed modes, checked connections and re-wired the speaker connections. I have no idea what this may be. It was working fine recently and all of a sudden this. Please help is you can. Thanks.

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  • joebanks Apr 26, 2008

    I did. I am getting a faint sound.. like you get from a turntable with no speakers... just enough to know something is there.

  • joebanks Apr 27, 2008

    THanks, i have tried numerous speakers, i will take to a fixer-uper. thanks again.

  • rpaul May 11, 2008

    Same issue here! I opened the hood to see if anything was obviously wrong (fuse, etc.?), no luck. Not looking forward to the expediture of bringing it in for service.

  • knas Apr 05, 2009

    I have the exact same problem with one channel output, but can not see any obvious soldering problem.

    what have the faulty solderings looked like on your receivers?
    loose, cracked, oxidated?

    Could you please provide a picture or a sketch of the solderings to check?

    (The faulty output on my receiver is the front left.)

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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.

Posted on Jul 13, 2008

It's definately a electronical problem in the signal processing part of the reciever. I've had the same problem three times with my T752, on one or more channels.

Posted on Jun 09, 2008

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Di you test the balance button?

Posted on Apr 26, 2008

  • Sserpentio
    Sserpentio Apr 27, 2008

    i think that you try to inverse your speakers to see if the problem doesn't come to a bad speaker.

    otherwise you have a defficient component in your reciever and you have to go to a specialist to fix it, sorry for the bad new

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