Crossbow, Exidy 1983 -------------------- Lower Board =========== Connector "P1" Connector "P2" -------------- -------------- - GND \ - +5V \ - - \ Sync - / To the Crossbow GND GND / Blue Triger NO / - Green - Red Upper Board ============ Connector "P8" Connector "P12" -------------- ----------------- Speaker 1 + - Speaker 2 + - - - - - - GND - - - Start NO - - - - Speaker GND - - - Connector "P16" Connector "P21" ---------------- ----------------- Coin Left GND Coin Center - Coin Right -20V Coin Counter - Coin Counter - - +5V - +5V GND +20V Post GND Option Switch Settings ------------------------------------------------------------------------------- 8-position option switch @ location B1 on the audio board . 1 2 3 4 5 6 7 8 Option ------------------------------------------------------------------------------- Credits ------- Off Off Off Off 1 Coin 1 Credit Off On Off Off 2 Coins 1 Credit* On Off Off Off 3 Coins 1 Credit On On Off Off 4 Coins 1 Credit Off Off Off On 1 Coin 2 Credits Off On Off On 2 Coins 2 Credits On Off Off On 3 Coins 2 Credits On On Off On 4 Coins 2 Credits Off Off On Off 1 Coin 3 Credits Off On On Off 2 Coins 3 Credits On Off On Off 3 Coins 3 Credits On On On Off 4 Coins 3 Credits Off Off On On 1 Coin 4 Credits Off On On On 2 Coins 4 Credits On Off On On 3 Coins 4 Credits On On On On 4 Coins 4 Credits ------------------------------------------------------------------------------- 4-position option switch @ location J19 on the logic board . 1 2 3 4 Option ------------------------------------------------------------------------------- Difficulty ---------- On On Easy Off Off Normal* Off On Hard On Off Most Difficult # of Starting Characters ------------------------ Off On 2 Off Off 3* On Off 4 On On 5 * = Factory settings