Bally mpu schematic. It looks complicated, but it is just 8.
Bally mpu schematic 1985-1989 Bally Midway 6803 MPU, last MPU before Bally merged with Williams. When Things Don't Work: Making a MPU test fixture; Fixing the MPU (LED flashes and the such) 2e. The purpose of the test EPROM is to repair the CPU board out of the game. It looks complicated, but it is just 8. The only place that ground from the power supply is connected to logic ground is on the component side of the MPU board. New old stock MPU's configured for your game. It is important to know which board is being worked on, as the game ROM/EPROM jumpers are different. Found in Eight Ball Champ. 3. Some specifics of the 6802 board can be found here. 1 Bally -35/Stern MPU-200 Parts Bill of Materials and Part Placement Chart Removing the MPU Battery and Fixing Corrosion; The Power Supply - Blown Fuses, Bridges, etc. Before Turning the Game On: Upgrading the Ground on the MPU Board. Upgrading the Voltage Regulator/Solenoid Driver Board; Upgrading the Ground on the MPU Board; Pre Power-On Voltage Checks; Connectors; Setting Free Play. Some pinball enthusiast communities and archives may also offer scanned copies or reprints. Apr 12, 2025 ยท The Bally 6802 MPU board was only found in two games (Fireball Classic and Cybernaut) and in small quantities before the introduction of 6803 games. It is used in the Bally/Williams WPC switch column circuit on the CPU board. This happens underneath the header pins at J4 pins 18, 19. Hi everyone, Is there anyone who can help me out with a pdf copy of the Bally 6802 schematics (as found on Cybernaut and Fireball Classic) Thanks in advance for your help You can find a manual for a 1936 Bally bumper pinball machine through vintage pinball collector forums, online auction sites, or specialty retailers that deal in antique pinball machines. MPU . Which MPU board Is It: -17 or -35 or -133? (How to Tell!) Of course Bally silkscreen the MPU part number (AS-2518-17 or AS-2518-35 or AS-2518-133) right on the MPU board. But sometimes due to battery corrosion, etc, the part number can not be read. To clean the bumpers and playing field after removing the glass: 1. Bally MPU boards AS2518-17 and AS2518-35 have a very poor connection to ground. 6. denlhlnxerrerphieikvzezhqyzjnoylyjkhlpismfxlogwj