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voltage readings

  1. S

    Marantz 2230 Power Supply P800 transistor H2 hot to the touch - normal?

    [Edit: It's the H802 transistor, but I can't edit the title of the thread] Hi, I am in the process of cleaning up and recapping a Marantz 2230 that has been in the family for over 50 years. I had a relamp kit I bought in 2020 still laying around, and decided to go all-in and do a full restore...
    • sschaper
    • Thread
    • 2230 hot marantz p800 recap recap and restoration restoration transistor voltage readings
    • Replies: 3
    • Forum: Marantz Audio
  2. hertzdonut

    CR-2020, Main Circuit Board reading: Meaningless or a clue?

    Brief background on this CR-2020: With the help of this forum, I got this beautiful unit up and running about 5 years ago. All good. The last couple of years, due to moving and life in general, it got very little use. Recently, I started using it again as part of bedroom setup. I noticed...
    • hertzdonut
    • Thread
    • cr-2020 dirty switch voltage readings
    • Replies: 37
    • Forum: Yamaha
  3. Rob357

    SA-7500II has very low voltage readings on the outputs

    I picked up a broken Pioneer SA-7500II for $75. Knowing it has issues, all the fuses were removed. So I decided to save it, came home and replaced the fuses and put it on the dim bulb tester. It lit up like a Christmas tree. After unsoldering the outputs I tested them on the DCA75, one channel...
    • Rob357
    • Thread
    • filter capacitors replacement outputs voltage readings
    • Replies: 7
    • Forum: Pioneer Audio
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