Posted By
Gazza
on 2002-07-20
|  Plus 4 and sticky keys
Anyone got a suggestion for stopping the keys on my Plus/4 sticking/not responding without a thump ?
I've opened up the keyboard and cleaned the pcb, which helped a lot but it's still not perfect.
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Posted By
MIK
on 2002-07-20
 | Sorry I can't help :-(
This is a unique feature of the Plus/4 and maybe a design fault because so many keyboards went down so quick in the same way - a freinds went within 2 years from new 
I have never looked into fixing one and have been lucky so far.
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Posted By
BushRat
on 2002-07-20
| Contact Pads
When you had the keys seperated from the PCB back (you usually have to unsolder that Shift-Lock key leads) did you use a Q-tip and alcohol to clean the black conductive pads that make the actual switch contact? That always worked for me.
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Posted By
Stuart Wilson
on 2002-07-20
| Plus 4 Keyboard problems..............
I know this doesnt help you but...........
The same thing happened to my first Plus 4. I tried everything but didnt succeed so I ended up having to buy a new one from ebay for only £25!!!!!!!!!!
I didn't realise how common this problem was until I started reading on the net from other Plus 4 owners who's machines wound up with the same 'keyboard' problem.
Stuart
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Posted By
Gazza
on 2002-07-20
| My SX-64 has the same problem
Thanks for your thoughts...
Although I cleaned the PCB, I didn't touch the rubber key contacts.
My SX-64 is having the same problem (after 15 odd years) - the keyboard looks very similar to the Plus/4. Strangely, my even older Vic-20 and C-64 work perfectly well (better keyboard design?)
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Posted By
MIK
on 2002-07-21
| Re: Better keyboard design
Sure your right there because my 2 C16's have stood the test of time along side my C64's.
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