Sad day for HP-41C

[Benoit Maag]

José,
There seems to be 2 types of deoxit: ‘contact cleaner’ and ‘electronic cleaner’
Which one would you recommend?

(12-15-2017 08:13 AM)Jose Gonzalez Divasson Wrote:  Clean it with Caig DeOxit and cotton buds and flat screwdrivers in the worst places. You will be astounded as the crud goes away very easily. I have recovered many units that looked even worse, and now they are CL too.

There are some drop-in solutions for the battery-port module. No assembly required.

You can start with the cleaning and then if you feel confident you can buy the battery-port module.

Best regards,
José