The Real Bob Roberts™
Economy JAMMA Harness Pinout & Colors

PARTS SIDE SOLDER SIDE
Black 18ga Ground1A GroundBlack 18ga
Black 18ga Ground2B GroundBlack 18ga
Red 18ga +5 volts 3C +5 volts Red 18ga
Red 18ga +5 volts 4D +5 volts Red 18ga
Blue - 5 volts 5E - 5 volts Blue
Orange +12 volts 6F +12 voltsOrange
NA Key 7H Key NA
Yellow Coin Counter 1 8 JCoin Counter 2 Yellow/S
Empty 9K Empty
Violet Speaker + 10 LSpeaker - Violet/S
Empty 11M Empty
Red Red Video 12N Green Video Green
Blue Blue Video 13P Composite Sync White
Black Video Ground 14R Service Switch Orange/S
Red/S Test 15S Empty
Brown P1 Coin 16T P2 Coin Brown/S
Gray P1 Start 17U P2 Start Gray/S
Blue P1 UP 18V P2 Up Blue/S
Green P1 Down 19W P2 Down Green/S
Yellow P1 Left 20X P2 Left Yellow/S
Red P1 Right 21Y P2 Right Red/S
Orange P1 Button 1 22Z P2 Button 1 Orange/S
Violet P1 Button 2 23a P2 Button 2 Violet/S
White P1 Button 3 24b P2 Button 3 White/S
Empty 25c Empty
Empty 26d Empty
Black Ground 27e Ground Black
Black Ground 28f Ground Black
Outside Color=Bundle | /S=Striped
Yel=Power|Gray=Coin Door|Violet=Speaker|Green=Video
Pink=Player 1 | Aqua=Player 2