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Full Version: HP 28S repair
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I have a 28S since few years now, and it worked very nice till few weeks, and today the first row is out of order.

So does anybody know the good way to repair this keyboard, I feel it's a flex circuit problem. How I can dismantle it ?

Many thanks.

Fabrice

(fabrice.creze@gadz.org)

A bit about this was mentioned here - you can search the Forum Archives. One message referring to opening a 28 is:

http://www.hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/archv003.cgi?read=4841

I think that the article mentioned in that thread is currently at:
http://www.hpcalc.org/hp48/docs/misc/hp28io.txt