HP 32E - Zeros in display / blank display.

[vikram86]

So, we figured out the problems.

1. There was corrosion on the battery terminals - this was fixed by bypassing them completely with 3 new wires.

2. The small IC (third from the top) had one leg broken off completely. My friend soldered a wire to it, and soldered that to the board.

3. Because of this extra wire in (2), the other ICs were not contacting the board properly. A bit of Scotch tape on the plastic frame to get them more snugly on there, and voila. The calculator powered on like nothing had ever happened.

The jury is still out on how that single pin was broken clean off the IC.

--Vikram