[Coco] OT: Model III/V k/d Schematic

[Darren A.]

>Anybody have either a schematic diagram or a good hi-res picture of a model 
>III/IV keyboard circuit board? There is a small piece missing from the one 
>I have where the center support went thru the back keyboard ass'y at keys 
>37 & 38 (or 'L' & +;'). I have jumpered the k/b to where all of the keys 
>work, however, there are a couple of problems: hitting the j or l key types 
>both j&l at the same time, b & d does the same thing.
>
>This is an improvement considering that over half of the keyboard didn't 
>work when I started. But I need either a schematic or a picture of the area 
>that has the hole in to see where exactly I screwed up...
>
>
>Thanks,
>
>brian
>

The keyboard matrix for the B, D, J and L keys should be as follows:

Connector Pins |   11     12     13
---------------|---------------------------
           1   |    B      C      D
           2   |    J      K      L
               |

Or in other words:

B should connect pins 1 and 11.
D should connect pins 1 and 13.
J should connect pins 2 and 11.
L should connect pins 2 and 13.

Hope this helps.

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