Well even pressing on the key hard wont work so theres some wear somewhere. I really used this Vic a lot and typed in a lot of programs etc back in the early 1990's so it had lots of use. Terry Raymond On Wednesday, September 9, 2015, William Levak <wlevak@sdf.org> wrote: > > Do you see actual signs of wear? Sometimes corrosion on the surface > prevents a good contact. Before applying anything to the contacts, try > cleaning them with a non-abrasive pencil eraser. If that does not work, try > lightly polishing them with 1500 grit sandpaper. > > > On Tue, 8 Sep 2015, Terry Raymond wrote: > > I think my two keyboards the contacts on the KB PCB are worn I heard years >> ago there is a compound that can be applied to the contact to build it up >> to repair it. >> Terry Raymond >> >> On Monday, September 7, 2015, Gerrit Heitsch <gerrit@laosinh.s.bawue.de> >> wrote: >> >> On 09/07/2015 06:29 PM, William Levak wrote: >>> >>> On Mon, 7 Sep 2015, Giacomo wrote: >>>> >>>> Or take some time to clean it: >>>> >>>>> http://www.oldcomputr.com/cleaning-the-keyboard-of-a-vic-20/ >>>>> You have to desolder the shift lock contacts under the keyboard, then >>>>> it's >>>>> just a matter of unscrewing a couple of dozen of small screws. Remove >>>>> all >>>>> the dirt then gently clean the contacts with isopropyl alcohol. >>>>> >>>>> >>>> >>>> 91 per cent isopropyl is preferable, since it takes the water with it >>>> when it evaporates. >>>> >>>> >>> Be careful if you find you have one of those keyboards that have the >>> black >>> coating on the contacts on the PCB. It's a bad idea to remove that >>> coating. >>> >>> Gerrit >>> >>> >>> >>> Message was sent through the cbm-hackers mailing list >>> >>> >> >> -- >> Sent from Gmail Mobile >> >> > wlevak@sdf.lonestar.org > SDF Public Access UNIX System - http://sdf.lonestar.org > > Message was sent through the cbm-hackers mailing list > -- Sent from Gmail Mobile Message was sent through the cbm-hackers mailing listReceived on 2015-09-09 16:00:45
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