Small additional circuit for Uncouplers to A5-8

If you would like to control the Uncoupler with the outputs A5-8 from the XL / LS / XLS, you need a small additional circuit for controlling the Uncoupler.
See picture with schematic.

EntkuppleranA5

The circuit can be easily mounted on a stripboard.

P.S.: The L decoder does NOT require this circuit!