Offering Factory Trained Repair/Professional upgrade Services for ALL Williams BLACK KNIGHT . PART# D-7997 AND 1B-2001-131-2WILLIAMS PINBALL MACHINES BUILT FROM 1977-1984YOUR BOARD WILL HAVE INSTALLED:CERAMIC RESISTORS /40 PIN CONNECTOR ALL WEAK COMPONENTS REPLACEDFINAL TESTED SEVERAL HOURS
THOROUGHLY TESTED GUARANTEED!
ALL 22 SOLENOID PORTS TESTED,
ALL 64 SWITCH POSITIONS TESTED,
ALL 64 LAMP POSITIONS TESTED,
CERAMIC LAMP RESISTORS INSTALLED.
BLANKING TESTED FLIPPER CONTROL TESTED.
SEND IN YOUR GAME'S NON WORKING DRIVERBOARD OUR TECHNICION WILL SERVICE AND TEST ALL FUNCTIONS AND RETURN WITHIN 5 DAYS AFTER RECEIVING.
LIST OF COMMON PROBLEMS THE DRIVERBOARD NEEDS SERVICE:
NO FLIPPERS/FLIPPERS ON IN GAME OVER,ALL COILS LOCK ON DURING POWER UP,ALL COILS POP MOMENTARILY AT POWER UP,1 OR MORE COILS LOCK WHEN POWER UP,POP BUMPER OR SLING COIL LOCKS WHEN GAME IS STARTED,SWITCHES NOT RESPONDING ,MORE THAN ONE SWITCH REGESTERS WHEN ONE SWITCH IS ACTUATED,UNABLE TO START A GAME,SEVERAL LAMPS ARE EXTREAMILY BRIGHT ON PLAYFIELDSEVERAL LIGHTS ARE NOT WORKING,ALL COMPUTER CONTROLLED PLAYFIELD LIGHTS NOT WORKINGNOTIBLE HEAT AND SCORCHING IN THE LOWER RIGHT CORNER OF BOARD