This video game is another of the AY3 series with the AY3-3606 integrated circuit. The circuit was found in the September 1980 Radio Electronics magazine. The circuit does not include the input power.
For those who like experimental circuits, here is a sequential flasher system with LEDs, which can be...
This circuit was found in an ancient American documentation. The integrated circuit is of the time...
This circuit was found in a 1977 Radio Shack documentation. The circuit is tuned to 1.4 kHz, but...