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dc offset adjustment

  1. mhz

    KR-3090 Adjusting DC Offset

    Hello everyone, I'm working on a KR-3090 and currently looking at bias + DC offset. This receiver was on the cheaper end, so adjusting the transistor bias involves swapping a fixed resistor and as far as I can tell there is no adjustment procedure for DC offset. Luckily, transistor bias seems...
  2. CoreyS

    Marantz SR8000 DC Offset & Idle Current Adjustment

    I just received a Marantz SR8000. It works fine. Sounds good. I downloaded the service manual because I wanted to set the idle current adjustments and DC offset. I cannot find any info on these topics. I do see two adjustable potentiometers on the amp board. If anyone has worked on this and can...
    • CoreyS
    • Thread
    • current idle adjustment dc offset adjustment marantz sr8000
    • Replies: 6
    • Forum: Solid State
  3. Julian12345

    Causes of crazy DC offset but idle current in spec ...?

    Hey all Long time reader, first time poster so if this is in the wrong area feel free admins to bump me to elsewhere. Ill learn I've been dabbling in electronics for years now and am pretty good at finding, sourcing and replacing bad components; caps, transistors and so on. BUT I have a few...
  4. bwv1

    Pioneer SX-850 DC Offset Adjustment

    The DC offset measurements obtained from this unit do not make sense to me and I'm looking for feedback as to what I am doing wrong. The unit sounds ok; I am doing this as a sort-of health checkup. Using the measurement procedure outlined in the service manual, I measure between 17 & 18...
    • bwv1
    • Thread
    • dc offset adjustment pioneer sx-850
    • Replies: 52
    • Forum: Pioneer Audio
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