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dc voltage on output

  1. Carbsandcaps

    Technics sa-616 rising DC voltages and protection mode.

    I’ve got a technics sa-616 that works fine when first turned on. After a minute or so it will go into protection mode. A few seconds later it will come out. Then after a minute it goes back into protection mode. It will do this 3 times then stay in protection mode until you turn it off for a few...
  2. S

    Sansui 7070 High Bias and DC Voltage

    So I've been working on a Sansui 7070 I just found in a barn. The relay didn't click when I got it so I replaced the fuse resistors on the driver board F2624. I then replaced four transistors that tested bad on the same board. I had no problems after this and it sounded pretty good. I set the DC...
  3. JB8

    HARMAN KARDON 430 - Oscillating DC Voltage At Speaker Terminal

    Hey All, I've read several threads on this issue, feels like I've checked most of the viable culprits but I need some help, please. ISSUE: Wildly fluctuating DC voltage at left speaker terminal, both spkrs 1 & 2 With DMM in 600 range, out of necessity, the voltage is quickly bouncing around...
    • JB8
    • Thread
    • 430 dc voltage dc voltage on output harman kardon harman kardon 430 speaker terminal transistor replacement
    • Replies: 6
    • Forum: Solid State
  4. gbolton2008

    Intermittent DC voltage on right channel of Pioneer SA-606

    Hi All, first time poster long time lurker here... I've got a Pioneer SA-606 which had, until a couple of weeks ago, been giving great service through a pair of Wharfedale Laser 80s. I went out and forgot to switch off the amp (nothing playing) and I returned to a crackling right speaker and...
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