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Commodore 64 Repair Mix ASSY

March 19th, 2023 Leave a comment Go to comments

Commodore 64 (ASSY 250466) Repair

Defect:

  • Black Screen and then Black Screen :-D

Replaced parts:

  • 1 x Power Switch
  • 1 x PLA 906114 (U17)

Commodore 64 (ASSY 250407) Repair

Defect:

  • Garbled Screen and then No Sound.

Replaced parts:

  • 2 x MOS 7708 [74LS257] (U13/U25)
  • 1 x MOS 7709 [74LS258] (U14)
  • 1 x MOS 6581 (U18)

Commodore 64C (ASSY 250469 REV-A) Repair

Defect:

  • Garbled Screen.

Replaced parts:

  • 1 x 4066 (U21)
Categories: Projects / Repairs, Today, Various
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