Almost Dead HP-81

[fxsuarezc]

(03-10-2016 12:31 AM)wojtek Wrote:  You have not written if the calculator did work in the past or not.
Anyway I suggest start off with:
- take off and put in all the parts sitting in any kind of connectors
-if this not help look carefully at all soldering points
-if this not help try to find a service manual for this machine

0) I don't know, i bought the calc with the case in a flea market for the equivalent
of U$20, and that is how it came.
1) Done.
2) Done.
3) Got CD11 and CD23, not very useful. Now i have the schematic, i will check
again.

Thanks!