My HP11c from -86 have a broken LCD. I took it apart and I see its possible to exchange the display of the same type.
I got a 11c for free from -82. It has the original design inside, but it was broken when I got it. I cleaned contacts inside and it works, however, the keyboard is far from perfect. One key (f) needs to be pressed hard and many other keys have a muddy feeling. The keyboard of my previous 11c is perfect.
Now to the question. Is it worth trying to replace the display in my -86 calculator by that one from the -82? Is the LCD between 82- and 86 calculators the same type? I have read somewhere that the driver is different, but how about the display?
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