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Recent content by vthyng

  1. V

    Blank screen c64 ICs are all good, now what?

    Ugh, I thought I had tested RAM, but 2 chips were bad. All better now!
  2. V

    Blank screen c64 ICs are all good, now what?

    I am repairing a 250425 board that I have socketed all of the chips and confirmed through trying them in another working board that they are all good. The problem is a blank screen almost 100% of the time. On 2 or 3 occasions while probing around with an oscilloscope the screen has started...
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