Sanyo plc-wu3800 Service Manual

Also see for PLC-WU3800: Dimensional drawing Manual Manual Command list Specification sheet

Contents

-6-Circuit ProtectionsCAUtIONDO NOT LEAVE THE PROJECTOR WITH THE ACPOWER CORD CONNECTED UNDER AN ABNOR-MAL CONDITION. IT MAY RESULT IN FIRE ORELECTRIC SHOCK.Led indicatorWArNINGlights redWarning temperature and power failure protectionThe projector will be automatically turned off when the internal temperature of the projector is abnormallyhigh, or the cooling fans stop spinning, or the power supplies in the projector are failed.the projector is shut down and the WArNING indicator is blinking red.When the temperature inside the projector reaches a certain level, the projector will be automatically shutdown to protect the inside of the projector and the WARNING and POWER indicators start blinking. Whenthe projector has cooled down enough (to its normal operating temperature), the POWER indicator stopsblinking and lights red, The projector can be turned on again by pressing the ON/STAND-BY button.4 Note :The WARNING indicator continues to blink even after the temperature inside the projector returns to nor-mal. When the projector is turned on again, the WARNING indicator stops blinking.Check items- Remove dust around the air filter.- Ventilation slots of the projector are blocked. In such an event, reposition the projector so that ventilationslots are not obstructed.- Check if projector is used at higher temperature place (Normal operating temperature is 5 to 35 ˚C or 41to 95˚F)the projector is shut down and the WArNING indicator lights red.When the projector detects an abnormal condition, it is automatically shut down to protect the insideof the projector and the WARNING indicator lights red. In this case, unplug the AC power cord andreconnect it, and then turn the projector on once again to verify operation.WArNINGDO NOT LEAVE THE PROJECTOR WITH THE AC POWER CORD CONNECTED UNDER ANABNORMAL CONDITION. IT MAY RESULT IN FIRE OR ELECTRIC SHOCK.4Note :- If the WARNING indicator lights red, it may defect the cooling fans or power supply circuits. Check fansoperation and power supply lines referring to the chapter “Power supply & protection circuit” and "Fancontrol circuit" in the Chassis Block Diagram section.POWer