HP-45 display issue - segments stuck on

[teenix]

(02-19-2023 06:59 AM)Dave92F1 Wrote:  I don't have a battery pack or a power supply so I was giving it 3.5 volts from a bench power supply. (Maybe that wasn't enough.)

I'll check that out tomorrow. On the chance that it's an Anode Driver, are working replacement parts available somewhere?

The batteries typically are 3.75V, (written on back label somewhere) so maybe 3.5V is fooling the Anode Driver.

You could ask Forum members if one is available.

cheers

Tony