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Atari 1200XL SIO 5v Enabled / Repairing Keyboard

I have gathered all photos of some phases of the work that i have done on the Atari 1200XL.

Below the descriptions:

  • SIO 5v Enabled (you have to short-circuit the resistor R63 to get the 5v on the SIO of the Atari 1200XL)
  • Repairing Keyboard (i have stretched the springs of a few keys for make the right pressure. The work must be completed using the liquid graphite where the contacts are more ruined)
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