ADDS ViewPoint 60+ Terminal
Keyboard looks like it was made by Keytronic (A65-02705)
The empty 24-pin has a lot of connections between the uC and that Exar chip.
Found this post about the 22-908 and its use. Looks to be part of the capacitive sensing system.
http://www.vcfed.org/forum/archive ...
Search found 2 matches
- 27 Nov 2018, 06:35
- Forum: Workshop
- Topic: Unpopulated sockets on a keyboard PCB
- Replies: 4
- Views: 2143
- 27 Nov 2018, 04:59
- Forum: Workshop
- Topic: Unpopulated sockets on a keyboard PCB
- Replies: 4
- Views: 2143
Unpopulated sockets on a keyboard PCB
Newbie here, trying to resuscitate an ADDS terminal keyboard.
Opened it up, and there were two unpopulated sockets. Is this a normal thing for vintage keyboards?
I was able to power the board on and probe around and it looked very quiet. The 8048 microcontroller was present, but there wasn't any ...
Opened it up, and there were two unpopulated sockets. Is this a normal thing for vintage keyboards?
I was able to power the board on and probe around and it looked very quiet. The 8048 microcontroller was present, but there wasn't any ...