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left channel gone

  1. C

    SA-8100 low volume left channel and parts list Update

    Hi, last year I started restoring the old SA-8100 which belonged to my mother. I changed all the e-caps (including the ltwo large ones 10 mF 50V, half of the diodes, half of the transistors and the relay. The unit works quite well and the improvement has been noticeable, but there are still some...
    • centrons95@h
    • Thread
    • led conversion left channel gone parts list restoration sa-8100
    • Replies: 9
    • Forum: Pioneer Audio
  2. Jermy69

    Marantz 2220B problem.

    I recently started a rebuild of my Marantz 2220B. While i have experience working with & soldering circuit board, this is my first rebuild on an old receiver. The only problem I have seems to be a tough one...no one else can figure it out or even give me any useful ideas what it could be. The...
  3. fiskmaas

    NAD 3155 outputs one channel only

    Hi, I have a NAD 3155 that has worked very well over the years. Now though the left channel has stopped working and I thought I'd give it a shot at diagnosing it. I have opened it and cleaned it with air and electronics spray and it helped with crackeling in the audio knob, but still just...
    • fiskmaas
    • Thread
    • 3155 left channel blown left channel gone left channel problem nad nad3155 no sound left channel one channel only right channel right channel works
    • Replies: 97
    • Forum: DIY
  4. C

    Kenwood KA-770D No Left Channel

    Recently picked up a KA-770D for $20 on my local Craigslist. I hooked it up and found the left channel (both A and B speaker settings) is virtually silent. (If I listen closely, I can hear it very softly). The sound out of the right channel sounds normal/good. Here's what I've ruled out so far...
    • cpenn
    • Thread
    • balance pot ka-770d kenwood left channel gone left channel not working left channel problem stereo amplifier
    • Replies: 17
    • Forum: Kenwood-Trio/Kensonic-Accuphase
  5. hertzdonut

    CR-2020 Left channel is gone, fuses popped, some troubleshooting, where to next?

    My 2020 has been working fine, no issues as a bedroom receiver. (Light use). Background info: All service bulletins were completed, as well as other repair work to bring this unit back to life, about a year ago. (With help from multiple contributors on AK!) During recent use, I heard a couple...
    • hertzdonut
    • Thread
    • cr-2020 left channel blown left channel gone left channel not working output transistor outputs
    • Replies: 9
    • Forum: Yamaha
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