Pinout B12
   |  PARTS SIDE
   |  PIN 
   |  PIN
   |  SOLDER SIDE
                                | 
|  GND
    | 1 | A |  GND
                                | 
|  
    | 2 | B |  
                                | 
|  +12V
    | 3 | C |  +12V
                                | 
|  SPEAKER (+)
    | 4 | D |  SPEAKER (-)
                                | 
|  VIDEO BLUE
    | 5 | E |  VIDEO SYNC
                                | 
|  VIDEO RED
    | 6 | F |  VIDEO GREEN
                                | 
|  
    | 7 | H |  VIDEO GND
                                | 
|  
    | 8 | J |  
                                | 
|  
    | 9 | K |  TEST
                                | 
|  P1 BUTTON 1
   | 10 | L |  P2 BUTTON 1
                                | 
|  P1 LEFT
   | 11 | M |  P2 LEFT
                                | 
|  P1 RIGHT
   | 12 | N |  P2 RIGHT
                                | 
|  P1 DOWN
   | 13 | P |  P2 DOWN
                                | 
|  P1 UP
   | 14 | R |  P2 UP
                                | 
|  P1 START
   | 15 | S |  P2 START
                                | 
|  COIN 2
   | 16 | T |  COIN 1
                                | 
|  
   | 17 | U |  COIN METER
                                | 
|  
   | 18 | V |  
                                | 
|  +5V
   | 19 | W |  +5V
                                | 
|  +5V
   | 20 | X |  +5V
                                | 
|  GND
   | 21 | Y |  GND
                                | 
|  GND
   | 22 | Z |  GND
                               
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