Hi again, You're right. I opened the console and the 2 cables were (rather coarsely) connected to the cables that go to the battery leads. I guess that means I can't connect the transformer without further modifications? BTW, I saw your version of (...) (22 years ago, 15-Sep-02, to lugnet.robotics)
(...) I think it would be more prudent to connect a 9V DC supply. Unlike the RCX, whose external power jack is marked to receive 9-12 V~, that is raw AC. (...) Sure thing. Guess I have not been too diligent in updating this site. (22 years ago, 17-Sep-02, to lugnet.robotics)