[Coco] Keyboard

[BillG]

In an effort to keep learning CoCo, I took apart my (up-to-now) virgin CoCo3
to see if I could possibly fix something.  

The only thing I saw that could be swapped out was one square chip, lower
center of the board, with the following markings:
737 Z X500R
2838-0001
TCC1014A
(c)Tandy 1987
Mexico R

I opened the keyboard up, but did not see any burned traces on either one of
the three plastic "circuit boards".

Oh well, nothing ventured, nothing gained....

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