hp41c to hp41cv CPU swap

[Raymond Del Tondo]

(05-28-2014 09:00 PM)GeorgeOfTheJungle Wrote:  Are the pinouts compatible? And the LCD driver IC?

The pinout is the same. If the pcb is of the same thickness, you can just throw in the 41CV pcb into your 41C and try:-)

If the pcbs are of different thickness, there will be two flat plastic spacer rings in the unit where the thinner pcb came from.