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p150

  1. thxdave

    P150 AM board weirdness

    I finally stumped LeeStereo with this one. I recently got my 2245 back from my local tech who was not able to complete a rebuild for me when I was moving and couldn't do it myself. He was stricken with cancer so this receiver sat in limbo for over a year. When I got it home, it still had a few...
  2. runningdog

    This 2230 P150 C183 was factory installed per marked polarity

    "Everybody" knows that the 2230 P150 C183 capacitor polarity is marked incorrectly on the board. And that a replacement capacitor should be installed the reverse of the markings. This applies to the P150 board on several models. This is how the cap is usually installed from the factory: But...
  3. bibota

    Readjusting bias current and DC offset - Marantz 2230

    I'm currently in the midst of my first project, recapping a Marantz 2230 and meeting quite a few difficulties along the way. All of them feeding into the learning curve, to put a positive spin on it. I keep reading that after recapping the tuner boards, a "readjusting of the bias current in the...
  4. bibota

    100uF 10v Cap -back of 2230/P150

    Suggestions for the correct position please? Difficult to read anything in the schematics, it being on the back of the board. Any idea why it's been mounted there, by the way?
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