Sanyo PLC-XP45 Service Manual

Also see for PLC-XP40: Comparison chart Owner's manual Specifications Brochure & specs

-6-● Interlock switchThe interlock switch (SW902) cuts off the AC mains power supplywhen the lamp cover is removed. After opening the lamp cover forreplacing the lamp ass’y, place the lamp cover correctly otherwisethe projector can not turn on.● Thermal switchThere is the thermal switch (SW905) inside of the projector toprevent the internal temperature from rising abnormally. When theinternal temperature reaches near 90˚C, turn off the AC mainpower supply automatically.The thermal switch is not reset to normal automatically even if theinternal temperature becomes normal. Reset the thermal switchfollowing procedure.Check the resistance between terminals of thermal switch byusing the tester. If it has high impedance, thermal switch may bein operative.How to reset the thermal switch1. Loosen 2 screws and open the lamp cover.2. Press the reset button on the thermal switch with a sharp-pointed tool.CAUTION:Before press the reset button, disconnect the AC cord from theprojector.■ Circuit ProtectionsThis projector is equipped with the following circuit protections to operate in safety. If the abnormality occurs insidethe projector, it will automatically turn off by operating one of the following protection circuits.● FuseThe fuse is located inside of the projector. When either the LAMPindicator or the READY indicator is not illuminated, fuse may beopened. Check the fuse as following steps.It should be used the specified fuse as follows;How to replace the fuse1. Remove the cabinet top following to “MechanicalDisassemblies”.2. Remove the fuse from fuse holder.To install the fuse, take reversed step in the above.Fuse Part No.: 423 021 7801TYPE T6.3AH 250V FUSELITTEL FUSE INC. TYPE 21506.3Fuse Line Filter BoardInterlock switchThermal switchLamp cover