Nibbler Rock-Ola SOLDER SIDE | PARTS SIDE ------------------------------------|-------------------------------------- (Power) Gnd | A | 1 | Gnd (Power) --------------------------------|---|---|---------------------------------- (Coin Common) Gnd | B | 2 | Gnd --------------------------------|---|---|---------------------------------- +5V | C | 3 | +5V --------------------------------|---|---|---------------------------------- +5V | D | 4 | +5V --------------------------------|---|---|---------------------------------- P2 Down | E | 5 | P2 Up --------------------------------|---|---|---------------------------------- P2 Right | F | 6 | P2 Left --------------------------------|---|---|---------------------------------- (Not Used) | H | 7 | (Not Used) --------------------------------|---|---|---------------------------------- (Not Used) | J | 8 | (Not Used) --------------------------------|---|---|---------------------------------- P1 Down | K | 9 | P1 Up --------------------------------|---|---|---------------------------------- P1 Right | L | 10| P1 Left --------------------------------|---|---|---------------------------------- (Not Used) | M | 11| (Not Used) --------------------------------|---|---|---------------------------------- (Not Used) | N | 12| (Not Used) --------------------------------|---|---|---------------------------------- Coin 1 | P | 13| P1 Start --------------------------------|---|---|---------------------------------- (Not Used) | R | 14| Coin 2 --------------------------------|---|---|---------------------------------- (Not Used) | S | 15| P2 Start --------------------------------|---|---|---------------------------------- Green | T | 16| Red ------------------------------------|-------------------------------------- Sync | U | 17| Blue --------------------------------|---|---|---------------------------------- (Not Used) | V | 18| Audio Output ------------------------------------|-------------------------------------- +12V | W | 19| +12V --------------------------------|---|---|---------------------------------- +12V | X | 20| +12V --------------------------------|---|---|---------------------------------- (Logic Common) Gnd | Y | 21| Gnd (Audio Common) --------------------------------|---|---|---------------------------------- (Power) Gnd | Z | 22| Gnd (Power) ---------------------------------------------------------------------------