HP-33C/34C Power Supply or Other Damage?

[John R]

(10-31-2014 11:12 PM)aj04062 Wrote:  If the AA pack in inserted in reverse (with the switch one), does that blow a part on the power supply board or does it damage the RAM, ROM or CPU?

If it does blow a replaceable part on the board, what?

Here is a discussion of that very topic (along with other battery-related topics).

I have momentarily inserted a Spice battery pack backwards without resulting in any damage to the calculator.