Casio CZ/ VZ/ FZ - Pro Series

This might explain the problems I have had with the Casio TB-1 and the 
Radio Shack power supplies I have been using for decades. Thanks. 
--Steve

>  So why does the CZ cause such problems with batteries in the first
> place? Another mystery that plagues many CZ users is the power jack
> on the side of the CZ 101, 1000, 230S. The pin is not a standard
> one as many believe. The center pin is actually 1.7mm and not the
> standard 2.1mm found in many replacement power supplies.