This service information is designed for experienced repair technicians only and is not designed for use by thegeneral public.It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting toservice a product.Products powered by electricity should be serviced or repaired only by experienced professional technicians. Anyattempt to service or repair the product or products dealt with in this service information by anyone else couldresult in serious injury or death.! WARNINGCAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENCAUTION:TO REDUCE THE RISK OF ELECTRIC SHOCK,DO NOT REMOVE COVER (OR BACK). NO USERSERVICEABLE PARTS INSIDE.REFER SERVICING TO QUALIFIED SERVICEPERSONNEL.This symbol warns the user that uninsulated voltage withinthe unit may have sufficient magnitude to cause electricshock. Therefore, it is dangerous to make any kind of contactwith any inside part of this unit.This symbol alerts the user that impotant literature concerningthe operation and maintenance of this has been included.Therefore, it should be read carefully in order to avoidany problems.T here are special components used in this equipment which are important for safety. These parts are indicatedby the ” Y ” mark on the schematic diagram and the replacement parts list. It is essential that these criticalparts should be replaced with manufacturer's specified parts to prevent shock, fire, or other hazards.Do not modify the original design without permission of manufacture.IMPORTANT SAFETY NOTICECONTENTSMajor Operating Controls and Their Functions ...................................................................................................... 1Wiring Diagram .......................................................................................................................................................... 11Block DiagramMain Board ............................................................................................................................................................... 12SW/CAM Board ........................................................................................................................................................ 13Schematic DiagramSW/CAM Board ........................................................................................................................................................ 15Main Board ............................................................................................................................................................... 16Rear Board ............................................................................................................................................................... 18Conductor ViewSW/CAM Board ........................................................................................................................................................ 14Main Board ............................................................................................................................................................... 17Rear Board ............................................................................................................................................................... 19Joystick Board .......................................................................................................................................................... 19Exploded View ........................................................................................................................................................... 20Replacement Parts List ............................................................................................................................................. 21