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idle current test point

  1. Ray122

    Lafayette LR-1515 Idle Current Adjustment

    Hey everyone! Just finished recapping and cleaning up a Lafayette LR-1515 and it sounds great, but the heat sync gets really hot. Like too hot to touch. My guess is the idle current is way too high after re-capping the unit. Usually, this isn't a big deal for me if I have the service manual...
    • Ray122
    • Thread
    • adjust idle current bias bias adjustement diy help idle current idle current test point lafayette lr-1515 lr-2020
    • Replies: 5
    • Forum: DIY
  2. N

    Kenwood KA-9X fluctuating high DC on one channel

    Hi, I'm trying to repair a friend's Kenwood KA-9X integrated amp. He says the protection relay sometimes remains open (or closes after long time ~10mins). I measure DC fluctuations of ~+/-2V at the left speaker terminals. Even with this, the relay closes normally (when I test it and with no...
    • NabMan
    • Thread
    • bias idle idle current test point ka-9x
    • Replies: 4
    • Forum: Solid State
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