Illustrations

Figure 2-6 The Keeper, An Offensive Running Play 2-7

Figure 2- 7 The Bomb, An Offensive Passing Play 2-8

Figure 2-8 The Down and Out, An Offensive Passing Play 2-8

Figure 2-9 The Sweep, A Defense 2-10

Figure 2-10 The Keeper, A Defense 2-10

Figure 2-11 The Bomb, A Defense 2-11

Figure 2-12 The Down and Out, A Defense 2-11

Figure 2-13 Incomplete 2-12

Figure 2-14 Out of Bounds 2-13

Figure 2-15 Tackled Offense 2-14

Figure 2-16 Intercept 2-15

Figure 2-17 Touchdown 2-17

Figure 2-18 Down Marker Location 2-18

Figure 3-1 Football Game Block Diagram 3-2

Figure 3-2 Football PCB Block Diagram 3-3

Figure 3-3 (On-Board) Power Supply Schematic Diagram 3-5

Figure 3-4 Power Supply Simplified Block Diagram 3-6

Figure 3-5 Microprocessor Schematic Diagram 3-8

Figure 3-6 Memory Block Diagram 3-9

Figure 3-7 Address Decoding Schematic Diagram 3-10

Figure 3-8 FO Clock Driver Signal 3-10

Figure 3-9 Sync Generator Schematic Diagram 3-11

Figure 3-10 Simplified Block Diagram of Crystal-Controlled Oscillator 3-12

and TV Sync Circuitry 3-13

Figure 3-11 Horizontal Sync Timing Diagram 3-13

Figure 3-12 Vertical Sync Timing Diagram 3-14

Figure 3-13 Alphanumerics Generator Block Diagram 3-15

Figure 3-14 Alphanumerics Generator Simplified Schematic Diagram 3-16

Figure 3-15 Scrollfield Generator Block Diagram and Simplified Schematic Diagram .3-17

Figure 3-16 Display RAM Simplified Schematic Diagram 3-18

Figure 3-17 Motion Object Generator Block Diagram 3-19

Figure 3-18 Trackball Control and Switch Input Simplified Schematic Diagram 3-20

Figure 3-19 Video Circuit Simplified Schematic Diagram 3-21

Figure 3-20 Audio Generator and Amplifier Simplified Schematic Diagram 3-22

Figure 4-1 Coin Door Assembly 4-2

Figure 4-2 Hinging Open the Magnet Gate Assembly 4-2

Figure 4-3 Removal of Coin Mechanism 4-3

Figure 4-4 Surfaces to Clean Inside the Coin Mechanism 4-3

Figure 4-5 Removal of Plate Covering Rear of Coin Slot 4-3

Figure 4-6 Close-up View of Lubrication Point 4-4

Figure 4-7 Detail View of Coin Switch and Trip Wire 4-4

Figure 4-8 Adjustments on Coin Mechanism 4-5

Figure 4-9 Locations of Adjustments on TV Chassis 4-6

American Football 101

American Football 101

Are you looking for a way to increase the capabilities of your football team? Is your football team leaving something to be desired? Are you looking to skyrocket your team's effectiveness with the most effective drills and plays?

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