PCB Pinouts Atari System 2 Pinout
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P19/J15
1 - VID RTN
2 - **KEY**
3 - RED
4 - GREEN
5 - BLUE
6 - COMP SYNC
7 - H SYNC
8 - V SYNC
9 - N/C
10 - N/C
11 - N/C
P13/J13
1 - N/C
2 - GND
3 - **KEY**
4 - GND
5 - N/C
6 - +5v
7 - +15vDC
8 - +5v
9 - +SENSE
10 - N/C
11 - -SENSE
CPU Board
P20/J20<br>
1 - N/C
2 - N/C
3 - GND
4 - GND
5 - N/C
6 - +5v
7 - **KEY**
8 - +5v
9 - +5v
P15A+B/J15
1 - GND
2 - +15vDC
3 - -15vDC
4 - POWER OK
5 - SW GND
6 - COIN R
7 - COIN L
8 - N/C
9 - COIN CNTR
10 - N/C
11 - **KEY**
12 - AUDIO 1
13 - AUD 1 RTN
14 - AUDIO 2
15 - AUD 2 RTN
16 - TEST
17 - N/C
P102 - (Going to Foot Pedal Assembly)
1 - +5v
2 - N/C
3 - N/C
4 - N/C
5 - POT1
6 - N/C
7 - POT2
8 - N/C
9 - N/C
10 - **KEY**
11 - GND
P106 - (Going To control Panel start buttons)
1 - +5v
2 - N/C
3 - N/C
4 - N/C
5 - **KEY**
6 - N/C
7 - SW 2
8 - N/C
9 - SW 1
10 - N/C
11 - GND
P103 - (Going To Control Panel steering wheels)
1 - +5v
2 - N/C
3 - N/C
4 - N/C
5 - N/C
6 - Y2
7 - X2
8 - Y1
9 - **KEY**
10 - X1
11 - GND
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