Hello Tom, Am 20.11.2020 um 15:11 schrieb Tom Hunter via cctalk <cctalk@classiccmp.org>:
> I have managed to completely disassemble the bad Osborne 1 keyboard Congrats on that! > The silver tracks remained undamaged as confirmed with a multimeter. Very wise to check this while all is disassembled. > I then carefully reassembled the 3 layers, inserted and super-glued the > keyboard mechanisms in batches, testing after each batch. When using super-glue, will this possibly negatively affect the ability to disassemble the keyboard again? As far as I’m aware, the prongs are most often just pressed flat with a hot iron to melt and thus held in place. > I did not use any glue to reattach the 3 membrane layers so they are held > together only by the keyboard mechanisms with their prongs protruding through > the layers into the aluminium backing plate to which the prongs are > super-glued. Very good idea! > The conclusion is that membrane keyboards can be fixed if your life depends > on it. It is absolutely uneconomic though. I worked about 30 - 40 hours on > the keyboard alone. Working Osborne 1s sell for between US$100 and US$300 on > Ebay. Well, with some routine you can become an expert and do that repair in 1-2 hours. All membrane keyboards are very much alike. While I’m truly appalled to do this for a living, I’m not frightened about doing this anymore. ;-) :wq! PoC
