Option Switch Settings
To change the option switch settings, you DO NOT have to take the Sound I O board out of the game. They can be easily reached through the rear access door on the Upright models. On the Cocktail Table model, you do have to open the table top to reach them. When changing any options, ALWAYS put the game into the Self-Test mode, make your changes, check the results on the monitor screen, take the game out of the Self-Test mode, and play the game to be sure the switches have worked properly and...
Coin Door Maintenance
SPECIAL NOTE If you have any questions about the coin acceptors in your game(s), please feel free to contact their manufacturers. Each manufacturer's name is PROMINENTLY imprinted on Periodically, the metal coin acceptor mechanism(s) must be removed from the coin door and cleaned. 1. Make sure the power to the game is off. 2. Unlock and open the coin door. 3. Remove the coin acceptor mechanism as shown in Figure 7-1. Push down on the two spring loaded latches. While holding the latches down,...
Vertical And Horizontal Deflection
After the sync signal is amplified by the sync amp, it goes to two different sections, the vertical and horizontal circuits. Basically, the sync signals are for timing so the picture doesn't mess up since it is assembled like an orderly jigsaw puzzle, but so fast that you can't see the electron beams for each color painting the picture on the screen. This will all become clear soon. For now, we will follow the 60 cycle component of the sync as it goes on its journey to the deflection yoke. The...
Opening The Attraction Panel
Opening the attraction panel Remove the screws which secure the top bracket in place. They are on its top side. Remove the top bracket and slide up the attraction panel. This exposes the attraction panel fluorescent light tube and its mounting bracket assembly. To reinstall the attraction panel, reverse this procedure. The fluorescent light tube may be replaced at this time. BE CAREFUL NOT TO DROP IT. WARNING If you drop a fluorescent tube and it breaks, IT WILL...
Table Of Contents contd
Technical Introduction General Harness Component Transformer and Line Voltage A Glossary of Microprocessor Introduction to the Z80 General Purpose Registers Arithmetic and Logic Unit Instruction Register and CPU Z80 CPU Pin VII. Coin Door Maintenance Metal Coin Acceptor Plastic Coin Acceptor Introduction Symptom Guide to Schematic Theory of Differences Between Controls You May Not Touch Parts Wells Gardner Monitor Schematic Wells Gardner Monitor Replacement Parts List Electrohome Monitor...
