choplifter
It should work fine with a JAMMA adapter. Check your voltages and see if they are low.
Choplifter
----------
-----------------------------------------------------------
Component Side | Solder Side
----------------------------+------------------------------
GND 1 | A GND
GND 2 | B GND
+5V 3 | C +5V
+5V 4 | D +5V
Coin Meter 1 5 | E Coin Meter 2
+12V 6 | F
7 | H
1P.Bomb 8 | J 2P.Bomb
1P.Fire 9 | K 2P.Fire
10 | L
1P.Down 11 | M 2P.Down
1P.UP 12 | N 2P.Up
1P.Right 13 | P 2P.Right
1P.Left 14 | R 2P.Left
Coin 1 15 | S 1P.Start
Coin 2 16 | T 2P.Start
Test sw. 17 | U
Service sw. 18 | V
Speaker + 19 | W Speaker -
Red 20 | X Green
Blue 21 | Y Sync
GND 22 | Z GND
Switch A | Coin 1 | Coin 2 | Switch B
Option: | 1 2 3 4 | 5 6 7 8 | Option: 1 2 3 4 5 6 7 8
-------------------------------------- ------------------------------------------
1Coin/1Play - - - - - - - - Table -
1Coin/2Plays + - - - + - - - Upright +
1Coin/3Plays - + - - - + - -
1Coin/4Plays + + - - + + - - Demo OFF +
1Coin/5Plays - - + - - - + - Sound ON -
1Coin/2Plays + - + - + - + -
2Coins/1Play - + + - - + + - Player 3 - -
3Coins/1Play + + + - + + + - 2 + -
4Coins/1Play - - - + - - - + 4 - +
2Coins/3Plays + - - + + - - + free + +
2Coins/1Play Bonus 20000,70000
4Coins/2Play - + - + - + - + 120000,170000 -
5Coins/3Play
6Coins/4Play Bonus 50000,100000
150000,200000 +
2Coins/1Play + + - + + + - +
4Coins/3Plays Difficulty Easy -
Hard +
1Coin /1Play
2Coins/2Plays - - + + - - + + NOT USED - -
3Coins/3Plays
4Coins/4Plays
5Coins/6Plays
1Coin /1Play
2Coins/2Plays + - + + + - + +
3Coins/3Plays
4Coins/5Plays
1Coin /1Play - + + + - + + +
2Coins/3Plays
1Coins/1Play + + + + + + + +