One comment

  • Kenny

    Hi there,
    A very nice article. You’ve inspired me to upgrade my MC500, MC 500 mkii and my MC50 mk1.
    I ordered the new oled displays and soldered them in. They seem to be working okay but i have noticed that some of the screens aren’t appearing: ‘Insert disk’ and so on.
    There are an extra 2 pcb holes in the new board, so 16 instead of 14 on the old one.
    I started the wiring from the bottom holes and left 15 & 16 empty.
    Should i have started at the top? I’m reluctant to resolder everything again.
    Many thanks

    January 11, 2021

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