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smoke

  1. Jake O Bob

    Yamaha C-4 Preamp Recap

    Gone through replacing all caps along with variable resistors on this C-4. Plugged into DBT and the good news is I've got a dim glow. The bad, some smoke came up from the function board near VR123 trimmer resistor. Looks like these 2 resistors are toast (see photo). I think both R257 ( 1.2KΩ )...
    • Jake O Bob
    • Thread
    • c-4 capacitor preamp recap resistor smoke yamaha
    • Replies: 107
    • Forum: Yamaha
  2. A

    Sony TC-660 started smoking?

    Got my first reel to reel yesterday at a yard sale for 70$, a Sony TC 660 which definitely wasn’t in too bad shape. Pretty clean and had a couple webs on it but the guy hooked it up for us and proved everything worked so snatched it up. Got home and plugged it in and was learning how to put a...
    • acidic8
    • Thread
    • fire reel to reel sixties smoke sony sony tc-660 tape
    • Replies: 0
    • Forum: Tape
  3. R

    Did I blow up?

    I just turned on my Chronus Magnum (I) and the V2 tube (KT120) flickered and lit up purple and the left speaker popped pretty loud (not deafening). I turned it off really quickly and there was some smoke coming from around the tube. I unplugged everything and about 5 minutes later turned it...
    • rh5000
    • Thread
    • chronus magnum purple smoke
    • Replies: 4
    • Forum: Tube Audio
  4. F

    Kenwood Power Amplifier (Basic M2A) - Help Needed

    Hello, this is my first post on this site. I will try to be as specific as I can. I recently acquired a Kenwood Power Amplifier (Basic M2A) from someone I knew. When I first plugged it in there was no power. I decided to opened it up to check what might be the problem and I saw that both the...
  5. plresults

    Yamaha M50 Smoke - Help...

    Visited lady in her garage with equipment for sale. She plugged in M50 amp via extension cord. Protection light came on & went off. We started chatting about other stuff & maybe ten minutes passed - smoke out of amp. I know better and should have gone right into wall with cord. What I am I up...
    • plresults
    • Thread
    • dead transformer fuse portection circuit protection smoke
    • Replies: 31
    • Forum: Yamaha
  6. H713

    Heathkit AA-121 Restoration

    I just bought a Heathkit AA-121 on eBay for $200 shipped. The guy said that he "plugged it in, 15 seconds later saw smoke and turned it off". The pictures do not show tubes, but who knows if it had them when he tested it. I have an extra output transformer for this amp, so as long as both aren't...
    • H713
    • Thread
    • aa-121 aa-40 el34 heathkit smoke
    • Replies: 2
    • Forum: Tube Audio
  7. sansevy

    Another Yamaha CR-2020 Rabbit Hole

    I've had a CR-2020 on the bench for a few weeks now and I am chasing problems all over. I completed the service bulletin work and encountered smoke from the left side of the E. Cap board when I powered it on. Based on the thread where Avionic helped Bluhn321, I swapped out a bad transistor...
    • sansevy
    • Thread
    • cr-2020 smoke transistors yamaha
    • Replies: 10
    • Forum: DIY
  8. rhinotone

    Kenwood KR6030 was smoking - now fine???

    Hello, I'm a new member to this forum but I have been using for research for a while now. I just purchased and received a Kenwood 6030 receiver from eBay and when I plugged it in for the first time it smoked. So I unplugged it and contacted the seller. He responded quickly, apologized, told me...
  9. C

    TEAC 2300SD Smoke...

    Hi all. I just picked up a TEAC 2300sd. I know very little about R2R machines yet, but know this one records fairly well. When I was a kid my dad had one but wouldn't let me explore it like his other audio gear. Anyways the TEAC looks to be in great condition. The guy said he maintained it...
    • Cade
    • Thread
    • smoke teac 2300sd
    • Replies: 3
    • Forum: Tape
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