Sanyo PLC-XC50 Service Manual

Also see for PLC-XC55: Brochure Owner's manual Manual Manual Specification sheet

Contents

--Lamp cover switchThe lamp cover switch (SW901) cuts off the drive signal to the lampcircuit when the lamp cover is removed or not closed completely.After opening the lamp cover for replacing the lamp ass’y, place thelamp cover correctly otherwise the projector can not turn on.Thermal switchThere is the thermal switch (SW902) inside of the projector to detectthe internal temperature rising abnormally. When the internal tem-perature reaches near 80˚C, the thermal switch opens to stop theoperation of the power supply circuit.The thermal switch cannot be reset itself automatically even if theinternal temperature becomes normal. Reset the thermal switchfollowing to the below procedure.How to reset the thermal switch1. Remove the cabinet top.2. Press the reset button on the thermal switch with the screwdriver.CAUTION:Before press the reset button, make sure that the AC cord must bedisconnected from the AC outlet.This projector provides the following circuit protections to operate in safety. If the abnormality occurs inside the pro-jector, it will automatically turn off by operating one of the following protection circuits.Thermal switch (SW902)Circuit ProtectionsLamp cover switch(SW901)Filter switchThe filter switch (SW903) is to detect the condition of filter cartridgeinstallation. The projector can not turn on if the filter cartridge is notinstalled correctly. Check the handle on the filter cartridge is set into"Close" position.Filter switch (SW903)