H7530/H7530D Confidential 3-3-2 Main ProcedureNo Symptom Procedure No Power- Ensure the Power Cord and AC Power Outlet are securely connected- Ensure all connectors are securely connected and aren’t broken- Check LVPS- Check Lamp Driver- Check Main Board Auto Shut Down- Check LED Statusa. Thermal/Fan Failure: Temp LED (lights or flashes red), PowerLED (lights red)- Check Thermal Switch- Check Thermal Sensor Board- Check Fan- Check Main Boardb. Lamp Failure: Lamp LED (lights red), Power LED (lights blue)- Check Lamp- Check Lamp Driver- Check Main Boardc. Color Wheel Failure: Lamp LED (flashes red), Power LED(lights blue)- Check Color Wheel- Check Photo Senor- Check Main Board3 No Light On- Ensure all connectors are securely connected and aren’t broken- Check Lamp Cover- Check Interrupt Switch- Check Lamp Module- Check Lamp Driver- Check LVPS- Check Main Board- Check Color Wheel- Check Photo Sensor Board (Color Wheel)
