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Texas Instruments TI-99/4a Argentine (Spanish) Version Repair

September 9th, 2019 Leave a comment Go to comments
Texas Instruments TI-99-4a Argentine (Spanish) Version Repair

Texas Instruments TI-99/4a Argentine (Spanish) Version Repair.

Defect:

  • Black Screen and deafening sound in background.

Replaced parts:

  • 1 x TMS 9900NL CPU (U600)
  • 1 x Burned Resistor (15 Ohm)

Note: This motherboard has already been repaired by someone at least once.

Gallery of the repair:

Categories: Projects / Repairs, Today, Various
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