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Atari 600XL Repair & Memory Upgrade

Atari 600XL Repair and Memory Upgrade

Atari 600XL Repair & Memory Upgrade

Defect:

  • Keyboard unresponsive – Dead.
  • Keyboard “A” Key Dead.

Repair:

  • Replacing 2 x CD4051 (U22/U23)
  • Sprayed R-11 Contact Cleaner inside the push button of the “A” key.

Enhancements:

  • Upgraded the RAM memory from 16k to 64k (memory upgrade requires 3 short lengths of wire and two memory chips: HM50464P or equivalent 4464 to provide a full 64K).

Gallery:

  1. Daren
    October 7th, 2017 at 22:43 | #1

    Why do some photos show a c64 screen?

  2. October 8th, 2017 at 10:51 | #2

    @Daren

    It’s a Joke, C64 Demo Screen for Atari :D

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