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7020

  1. P

    NAD 7020 Distorting - Earthing / Grounding Question

    Hello everyone at AK and thank you all for this great resource (that I often spend many hours studying). Summary: On this unwell 7020 I am seeing 9V DC between power supply filter cap ground and chassis earth/ground. Is this normal? This chassis is earthed to the mains lead and the wiring and...
  2. ViperZ

    NAD 7020 repair

    Hi all, I have this old trusty 7020 in the shop. A couple of months ago the power switch failed, so I replaced it. It worked fine, then I didn't use it for a few weeks. Now it makes this strange noise. Continuous ticking through both channels on all line level inputs in background (radio still...
  3. Chris Myers

    NAD 7020 receiver distorted output

    I have a NAD 7020 that I bought new many years ago. It's been sitting unused for years. I recently plugged it in to see if it still worked and found that everything was OK except for the balance knob creating static on the right side and loss of volume too on the right (and yes I've tried the...
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