NBA JAM PARTS SIDE CKT SIDE ------------ ------------ 1 GND A GND 2 GND B GND 3 +5V C +5V 4 +5V D +5V 5 E 6 +12V F +12V 7 KEY H KEY 8 CTR 1 J CTR 2 9 K 10 SP + L SP- 11 M 12 VID RED N VID GN 13 VID BL P SYNC 14 VID GND R SVC 15 TEST S 16 COIN 1 T COIN 2 17 1 START U 2 START 18 PL 1 UP V PL 2 UP 19 PL 1 DOWN W PL 2 DOWN 20 PL 1 LEFT X PL 2 LEFT 21 PL 1 RIGHT Y PL 2 RIGHT 22 PL 1 SHOOT/BLOCK Z PL 2 SHOOT/BLOCK 23 PL 1 PASS/STEAL a PL 2 PASS/STEAL 24 PL 1 TURBO b PL 2 TURBO 25 c 26 d 27 GND e GND 28 GND f GND P3 TO SND BD P6 SND P7 SND P5 --------------- ------- ------ 1 SP+ 1 1 2 SP- 4 2 POT 3 +12V 5 3 KEY 4 +12V 6 4 POT 5 KEY 4 6 7 GND 3 8 +5V 1 9 GND 2 P5,6 (PL3,4) ---- 1 GND 2 ---- 3 ---- 4 ---- 5 ---- 6 START 7 UP 8 DN 9 LT 10 RT 11 SHOOT/BLOCK 12 PASS/STEAL 13 TURBO 14 ---- 15 ----