Pinout: AL2 Games: Boomer-Ranger, Pro-Sports PCB Pinout (Main PCB Connector) Parts Side/Solder Side ------------------------------------------------------------- +12 Volts | 1 | A | +12 Volts ------------------------------------------------------------- +5 Volts | 2 | B | +5 Volts ------------------------------------------------------------- +5 Volts | 3 | C | +5 Volts ------------------------------------------------------------- +5 Volts | 4 | D | +5 Volts ------------------------------------------------------------- | 5 | E | ------------------------------------------------------------- Coin 1 | 6 | F | Coin 2 ------------------------------------------------------------- Tilt | 7 | H | ------------------------------------------------------------- 1P Button 2 | 8 | J | 2P Button 2 ------------------------------------------------------------- 1P Button 1 | 9 | K | 2P Button 1 ------------------------------------------------------------- 1P Jump | 10 | L | 2P Jump ------------------------------------------------------------- 1P Down | 11 | M | 2P Down ------------------------------------------------------------- 1P Up | 12 | N | 2P Up ------------------------------------------------------------- 1P Left | 13 | P | 2P Left ------------------------------------------------------------- 1P Right | 14 | R | 2P Right ------------------------------------------------------------- Speaker + | 15 | S | ------------------------------------------------------------- Speaker - | 16 | T | Ground ------------------------------------------------------------- Ground | 17 | U | Ground ------------------------------------------------------------- Ground | 18 | V | Ground ------------------------------------------------------------- PCB Pinout (Video PCB Connector) Parts Side/Solder Side ------------------------------------------------------------- Ground | 1 | A | Ground ------------------------------------------------------------- Ground | 2 | B | Ground ------------------------------------------------------------- Ground | 3 | C | TV Ground ------------------------------------------------------------- TV Blue | 4 | D | TV Sync (Composite) ------------------------------------------------------------- TV Red | 5 | E | TV Green ------------------------------------------------------------- Vertical Sync | 6 | F | ------------------------------------------------------------- Horizontal Sync | 7 | H | ------------------------------------------------------------- +5 Volts | 8 | J | +5 Volts ------------------------------------------------------------- +5 Volts | 9 | K | +5 Volts ------------------------------------------------------------- +5 Volts | 10 | L | +5 Volts ------------------------------------------------------------- IMPORTANT SYNC NOTE: The PCB is usually wired as a split POSITIVE sync output. To convert the sync to run negative composite, wire the Vertical and horizontal sync into both inputs of a 7486 Exclusive OR gate, then run the output of that through another EX OR gate with the other input tied high to obtain a negative composite sync. Diagram: +5 Volts | \-- \-- ---| \_____ Negative Composite Out Vertical Sync -----| \_____| / Horizontal Sync ----| / /-- /-- (7486)