I am looking for a new i/o circuit strip (HP part number 80020) for a HP 41CX calculator. This is the flexible strip in the battery compartment that connects to the main circuit board and to the four i/o ports on the top end of the 41. I would also consider a used, non-working HP-41 for parts as long as the battery terminals are clean and show no signs of having corrosion. My old 41 had the batteries leak into the battery compartment and one of the flexible circuit runs was damaged by the corrosion. I was able to repair this by soldering a small jumper over the defective area, after a good cleaning with isopropyl alcohol. My calculator works now, but I'd like to restore it to like new condition if I can. I e-mailed a fellow in the Canary Islands who had a procedure posted with pictures on how to replace this flexible I/O strip, but I haven't yet heard back from him. Is there a source for old non-working calculators to be used for parts, or a source for this I/O strip that I need?
HP-41 I/O Circuit Strip
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