ZX Spectrum Finally done.

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  • Опубліковано 27 сер 2024
  • After 6 months I `ve finished it. I used a 1/4 watt 270 ohm resistor instead of 1/2 watt on the R60 resistor Mod. and sent 22 volts onto the 12 volt rail. New lower Ram, upper Ram, T4, T5, caps, diodes, keyboard membrane, 5 volt regulator, power socket, video mod and home made ULA heatsink.

КОМЕНТАРІ • 5

  • @greentroll9326
    @greentroll9326 2 місяці тому +1

    all working now then mate where you getting the speccies from i know one you had years ago but have you got more than one now double sided sticky tape blue peter special mate :)

    • @damianbutterworth2434
      @damianbutterworth2434  2 місяці тому

      My first computer was this Speccy model. So I wanted one again. I get them off EBay. About £50 each. I might try Torksey Car Boot soon.

    • @greentroll9326
      @greentroll9326 2 місяці тому +1

      @@damianbutterworth2434 next need to find a way to network them lol

    • @StuHo1mez
      @StuHo1mez 2 місяці тому +1

      Just watching your video, if your ULA is too hot to touch, may I suggest that it's nearing death. You don't need an extra heatsink. The tracopower negates the need for the native one.
      Good luck.

    • @damianbutterworth2434
      @damianbutterworth2434  2 місяці тому

      @@StuHo1mez I should get a modern ULA for it. I`ll keep an eye on it. Perhaps I killed it with the over voltage. To be honest it was real hard to get the picture set up with this ULA. I fitted another and the screen was perfect. Thanks for the advice.