Panasonic PT-D4000U Operating Instructions - Page 55

Before asking for service --- check the following points. Symptoms Power does not turn on No image Image is blurred Light color/ bad color tone Remote control does not operate Abnormal image Does not display images from PCs Checks • Is the power cord plug correctly plugged in? • Is the MAIN POWER turned on? • Is electricity running to the power outlet? • Is the temperature monitor (TEMP) indicator on the front of the unit flashing or turned on? (See page 51) • Is the lamp monitor (LAMP) indicator on the front of the unit flashing or turned on? (See page 51) • Is the lamp unit door installed correctly? • A wrong ID is set. (See pages 15 and 34) • Is the lens cap still on the lens? • Is the image input correctly connected? • Is the input mode set correctly? (See page 22) • Is the black level adjustment set at the minimum level? (See page 28) • Is the equipment connected to the projector operating correctly? • Is the shutter function turned on? (See page 25) • Is the lens focused properly? (See page 24) • Is the projection distance correct? (See pages 17, 18) • Is the lens dirty? • Is the projector positioned directly in front of the screen? (See page 16) • Is the color density and color tone setting correct? (See page 28) • Is the equipment connected to the projector correctly adjusted? • Are the batteries exhausted? • Are the battery polarities set correctly? (See page 14) • Are there any obstacles between the remote control and the remote control sensor? (See page 14) • Are you trying to operate the remote control beyond its operable range? (See page 14) • Are you controlling from external equipment using the REMOTE2 IN terminal? (See page 49) • Is there any external light interfering with remote control operation? • A wrong ID is set. (See pages 15 and 34) • Is the on-screen display function at "OFF"? (See page 9) • Is the input mode properly set? (See page 22) • Is the correct signal system (SYSTEM SELECTOR) selected? (See page 29) • Are there any malfunctions on the source side, such as bad video tapes? • Are you inputting a signal that is not compatible with this projector? (See page 58) • Is the cable too long? • Is the video output signal setting of the computer correctly set? (Read the operating instructions of the your PC.) 55