Turbo (Sega) 1981


CPU

CN-3 "A" CPU PCB
Pin#

Description

1 +5V
2 +5V
3 +5V
4 +5V
5 +12V
6 -12V
7 Key
8 GND
9 GND
10 GND
11 GND
12 GND
CN-6 "D" CPU PCB
Pin#

Description

1 GND
2 GND
3 Key
4 +8V Unregulated
5 +8V Unregulated
6 N/C
CN-4 "B" CPU PCB
Pin#

Description

1 +5V
2 +5V
3 +5V
4 +5V
5 +12V
6 -12V
CN-5 "C" CPU PCB
Pin#

Description

1 GND
2 N/C
3 COIN METER 2
4 COIN METER 1
5 +5V (to accel assy)
6 +5V (Meter and Start Lights)
7 Key
8 N/C
9 Gnd (coin door?)
10 Gnd (to accel assy)
11 Coin 2
12 Coin 1
13 Test
14 Service
15 Shift
16 Start
17 Accel to Buffer PCB
18 Accel to Buffer PCB


Sound & PROM PCB

CN-2 "F" SND PCB Upright
Pin#

Description

1 Audio Out + Upper Spkr
2 Sheild (Upper Spkr-)
3 Audio Out + Lower Spkr
4 Sheild (Lower Spkr-)
5  
6  
7  
8  
9  
10  
11  
12  
CN-3 "G" Sound PCB
Pin#

Description

1 Speed
2 GND
3 Tachometer
4 N/C
5 Key
6 N/C
CN-2 "F" SND PCB Cockpit
Pin#

Description

1 Audio Out + Front Spkr
2 Sheild (Front Spkr-)
3 Audio Out + Rear Spkr
4 Sheild (Rear Spkr-)
5 Audio Out + Right Spkr
6 Sheild (Right Spkr-)
7 Audio Out + Left Spkr
8 Sheild (Left Spkr-)
9 N/C
10 N/C
11 Key
12 N/C
CN-4 "H" Sound PCB
Pin#

Description

1 +5V
2 Key
3 GND
4 +12V
CN-3 "E" PROM PCB
Pin#

Description

1 V GND
2 Key
3 V GRN
4 V BLUE
5 V RED
6 C SYNC -?