Since it is impossible for us to give individualized assistance via email, we'd like to offer the following pages to help you:
Our Atari Audio/Regulator Application Guide to identify which version of the AR, AR I or AR II you need. We service and sell all of these.
Our Atari Transformer Assy. Application Guide to identify what type of "power block" you need for a particular game.
Adjusting an Atari Power Supply. Shows you how to set up a meter to correctly measure and adjust the voltages at the game PCB. NEW!
Midway Space Invaders Power Supply Testing Instructions. Covers Space Invaders, SI Deluxe, and others.
Space Invaders, Space Invaders Deluxe and Space Invaders II technical info.