Sanyo PLC-EF60 Service Manual

Also see for PLC-EF60: Owner's manual Specifications

Contents

- 7 -4. Temp. and airflow sensorsThe projector provides 2 temperature sensor ICs and an airflow sensor. The temperature sensor ICs monitor internaltemperature and external temperature (around the intake duct ) respectively. The airflow sensor monitors intake air-flow through the airfilter to detect the airfilter clogged.- Internal temperature sensor A (IC8801)- Internal temperature sensor B (IC8841) (around the intake duct)- Airflow sensor (SS901)- Panel (Polarized glass) thermistor (SW913)- Shutter thermostat switch (SW914)5. Power failure and fan lock detectionThe projector provides the detection circuits of the power failure and the fan lock. When the detection circuit detectsan error at the power supply line or the fan lock detection line, the projector will turn into the standby mode to protectthe other circuits defective.- If the all of LEDs are blinking, the projector may defect the failure on the fan or the power supply lines. Check fanoperation and power supply lines referring to the chapter “Power supply and Failure Detection” in the Chassis BlockDiagram section.Safety ProtectionsLED indication on the ErrorSHUTTER LED blinking Temp. Error detected by SW914WARNING TEMP LEDblinkingTemp. Error detected by IC8801,IC8841, SW913LED indication on the ErrorAll of LEDs blinking Power failure or Fan lock de-tectedIC8841SS901SW913SW914IC8801