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Games: Buggy Challange
Note: Use JAMMA 1P Left & 1P Right for steering wheel
1P A Button: Shift-low
1P B button: Shift-high
1P C button: Accelerator pedal
The Accelerator pedal uses a potentiometer.  As an alternate,
use a switch tied to +5 volts and a 1K resistor pulldown to ground.


PCB Pinout          Parts Side/Solder Side
-------------------------------------------------------------
                        |  1  |  A  | 
------------------------------------------------------------
                        |  2  |  B  | 
-------------------------------------------------------------
                        |  3  |  C  | 
-------------------------------------------------------------
                        |  4  |  D  |  
-------------------------------------------------------------
Ground                  |  5  |  E  | Ground
-------------------------------------------------------------
                        |  6  |  F  |  
-------------------------------------------------------------
TV Red                  |  7  |  H  | TV Green
-------------------------------------------------------------
TV Blue                 |  8  |  J  | TV Sync
-------------------------------------------------------------
                        |  9  |  K  | 
-------------------------------------------------------------
Service                 |  10 |  L  | Tilt
-------------------------------------------------------------
                        |  11 |  M  |  
-------------------------------------------------------------
Coin 1                  |  12 |  N  | Coin 2
-------------------------------------------------------------
Coin meter 1            |  13 |  P  | Coin meter 2
-------------------------------------------------------------
Steering L              |  14 |  R  | Steering R
-------------------------------------------------------------
Start                   |  15 |  S  |
-------------------------------------------------------------
Lamp                    |  16 |  T  |
-------------------------------------------------------------
Test                    |  17 |  U  |
-------------------------------------------------------------
Speaker +               |  18 |  V  | Speaker -
-------------------------------------------------------------
Shift-low               |  19 |  W  |  
-------------------------------------------------------------
Shift-high              |  20 |  X  |  
-------------------------------------------------------------
Ground                  |  21 |  Y  | Ground 
-------------------------------------------------------------
                        |  22 |  Z  |
-------------------------------------------------------------

H & H1 connectors
1  Ground
2  Ground
3  Ground
4  Ground
5  +5 volts
6  +5 volts
7  +5 volts
8  -5 volts
9  +12 volts
10
11  +12 volts
12  +12 volts

T connector
1  Ground
2  
3  Ground
4  Ground
5  Ground
6  Ground
7  Ground
8  Ground
9  Ground
10  Ground
11  Ground
12
13  +5 volts
14  +5 volts
15  +5 volts
16  +5 volts
17  +5 volts
18  +5 volts
19  +5 volts
20  +5 volts