Solder Side | Parts Side
________________________________|___________________________________
GND | A | 1 | GND
----------------------------|---|---|-------------------------------
GND | B | 2 | GND
----------------------------|---|---|-------------------------------
-- | C | 3 | --
----------------------------|---|---|-------------------------------
-- | D | 4 | Coin Counter # 2
----------------------------|---|---|-------------------------------
2P Left | E | 5 | 1P Left
----------------------------|---|---|-------------------------------
2P Right | F | 6 | 1P Right
----------------------------|---|---|-------------------------------
2P Button 2 | H | 7 | 1P Button 1
----------------------------|---|---|-------------------------------
1P Start | J | 8 | 2P Start
----------------------------|---|---|-------------------------------
Coin Counter # 1 | K | 9 | --
----------------------------|---|---|-------------------------------
Video Sync | L | 10| Coin Switch # 2
----------------------------|---|---|-------------------------------
+12 | M | 11| +12
----------------------------|---|---|-------------------------------
+12 | N | 12| +12
----------------------------|---|---|-------------------------------
Speaker (+) | P | 13| Speaker (-)
----------------------------|---|---|-------------------------------
2P Button 1 | R | 14| 1P Button 1
----------------------------|---|---|-------------------------------
Video Green | S | 15| Video Red
----------------------------|---|---|-------------------------------
-- | T | 16| Video Blue
----------------------------|---|---|-------------------------------
2P Down | U | 17| 2P Up
----------------------------|---|---|-------------------------------
1P Down | V | 18| 1P Up
----------------------------|---|---|-------------------------------
Coin Switch # 1 | W | 19| Test Switch
----------------------------|---|---|-------------------------------
+5 | X | 20| +5
----------------------------|---|---|-------------------------------
+5 | Y | 21| +5
----------------------------|---|---|-------------------------------
GND | Z | 22| GND
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