Sanyo PLC-XK2200 Service Manual

Also see for PLC-XK2200: Owner's manual User manual Owner's manual Manual Manual

Contents

-3-Safety InstructionsSafety PrecautionsService Personnel WarningEye damage may result from directly viewing the light produced by the Lamp used in this equipment. Alwaysturn off Lamp before opening cover. The Ultraviolet radiation eye protection required during this servicing.Never turn the power on without the lamp to avoid electric-shock or damage of the devices since the stabilizergenerates high voltages (15kV - 25kV) at its starts.Since the lamp is very high temperature during units operation replacement of the lamp should be done atleast 45 minutes after the power has been turned off, to allow the lamp cool-off.Product Safety NoticeProduct safety should be considered when a component replacement is made in any area of the projector.Components indicated by mark ! in the parts list and the schematic diagram designate components in whichsafety can be of special significance. It is, therefore, particularly recommended that the replacement of thereparts must be made by exactly the same parts.WARNING:The chassis of this projector is isolated (COLD) from AC line by using the converter transformer. Primary sideof the converter and lamp power supply unit circuit is connected to the AC line and it is hot, which hot circuitis identified with the line ( ) in the schematic diagram. For continued product safety and protection of per-sonnel injury, servicing should be made with qualified personnel.The following precautions must be observed.1: An isolation transformer should be connected inthe power line between the projector and the ACline before any service is performed on the projec-tor.2: Comply with all caution and safety-related notesprovided on the cabinet back, cabinet bottom,inside the cabinet or on the chassis.3: When replacing a chassis in the cabinet, alwaysbe certain that all the protective devices areinstalled properly, such as, control knobs, adjust-ment covers or shields, barriers, etc.DO NOT OPERATE THIS PROJECTOR WITHOUT THE PROTECTIVE SHIELD IN POSITION AND PROPERLY SECURED.4: Before replacing the cabinet cover, thoroughlyinspect the inside of the cabinet to see that nostray parts or tools have been left inside.Before returning any projector to the customer, theservice personnel must be sure it is completelysafe to operate without danger of electric shock.