+eebuckeye Posted June 9, 2014 Share Posted June 9, 2014 I was lucky enough to find a Commodore 128D in great condition. I tested everything and it works great EXCEPT four keys on the keyboard do not work. I believe they are 5, 6, R and T. UGH!? Any idea how I might fix this? Thank you! Quote Link to comment Share on other sites More sharing options...
RobertB Posted June 10, 2014 Share Posted June 10, 2014 Send it to Ray Carlsen for his expert repair. Truly, Robert Bernardo Fresno Commodore User Group http://videocam.net.au/fcug July 26-27 Commodore Vegas Expo v10 - http://www.portcommodore.com/commvex Quote Link to comment Share on other sites More sharing options...
Uzumaki Posted June 10, 2014 Share Posted June 10, 2014 (edited) Looking at the keyboard schematic, column 18 deals with 4 of those keys. If C, F, and X are working, I'd guess there's a break in the circuit trace between F and R/T key. If the C, F, and X are not working, I'd look at the wire connecting to the keyboard circuit. http://personalpages.tds.net/~rcarlsen/cbm/c128dcr/keyboard%20open.jpg shows what it looks like. Maybe something got spilled in at one time and the spilled fluid has eaten through the trace? Taking it apart is a whole lotta screws though. Edited June 10, 2014 by Uzumaki Quote Link to comment Share on other sites More sharing options...
+eebuckeye Posted June 10, 2014 Author Share Posted June 10, 2014 Thank you! Quote Link to comment Share on other sites More sharing options...
JamesD Posted June 11, 2014 Share Posted June 11, 2014 I need a new key (the mechanism, not the cap) for one of the keys on my 128D.Any source for these? Quote Link to comment Share on other sites More sharing options...
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