markus wolfgart wrote:


Tahnks Michael for your efford,
snip

I imagine that you have considered it, but it is still worth
mentioning: The device seems to have been popular in about
1986; peruse Sams Photofact TV folders from that period for
TVs that have a 7-segment channel display and see if they
use the UAA2001/UAA2022 combination -- the schematic should
provide connection and pinout information and some clues
on using the device.

Michael