September 24, 2019OUR BLOG, OUR PROJECTSadmin 5 (1) Rare industrial unit keyboard RCA ASCII Keyboard VP611 repair from 70-s. QWERTY buttons did not work. We replaced several microchips and it started working. Click on a star to rate it! Submit Rating Average rating 5 / 5. Vote count: 1 No votes so far! Be the first to rate this post. As you found this post useful... Follow us on social media!