Repairing Radio Shack TRS-80 Model 1 ..for the third time
Repairing Radio Shack TRS-80 Model 1 ..for the third time
Defect:
- SHIFT keyboard switch broken.
- Garbage Screen on boot (already repaired).
- Flat cable of the Keyboard broken (already repaired)
Repair:
- Replaced the keyboard switch with a new one taken from a keyboard (the good one) of the Texas Instruments TI-99/4A that helps me many times.
- Replaced a 2102 Video SRAM.
- Rebuilt the keyboard flat cable.
Gallery of he repair:
Categories: Projects / Repairs, Today, Various
A better suggestion for the keyboard repair:
http://tabajara-labs.blogspot.com.br/2017/03/restauro-do-trs-80-modelo-1-parte-2.html
(used a pair of photos from your article, with due credit. Hope you don’t mind!)
@Alexandre “Tabajara” Souza
Yep much better :D