Toshiba TLP-X100U User Manual - Page 26

Troubleshooting If you think something is wrong, check the followings before contacting customer service. Please see "Trouble indications" p.49 as well. If This Happens Check No power • Is the power cord plugged in? Is it connected to the projector? • Is the outer lamp cover attached properly? p.44 Power goes out • Is the ambient temperature high? p.49 during use • Is the air intake or air exhaust blocked? p.49 No picture • Is the input source selected correctly? (When [Auto input search] is [Off]) p.40 • Is the mute function on? p.31 • Is the brightness setting minimized? p.35 • Are the connections set up correctly? p.22 • Are all the connected devices functioning properly? No audio • Is the mute function on? p.31 • Is the volume setting minimized? p.27 • Are the connections set up correctly? p.22 • Are all the connected devices functioning properly? Picture not displayed correctly • Is the input signal supported by the projector? p.53 p.54 • Is there something generating an abnormal video signal, for instance the video tape? Picture blurred Part of picture out of focus • Is the lens dirty? p.48 • Is the lens focus adjusted optimally? p.27 • Is the projection distance within the projector's supported range? p.21 • Is the projector's screen placement angle tilted too far? p.27 • Are the sharpness or sampling phase adjustments off? p.35 Image is dark • Are the brightness or contrast adjustments off? p.35 • Is the lamp nearing the end of its service life? p.42 Colors too light Bad shading • Are the color, R-level, G-level, or B-level adjustments off? p.35 • Is the screen dirty? • Is the blackboard mode set properly? p.37 • Is the lamp nearing the end of its service life? p.42 Control panel key • Is the key lock function on? p.41 doesn't work If This Happens Remote control doesn't work Check • Are the remote control's batteries drained? • Are the batteries inserted into the remote control correctly? p.19 • Is the remote control being used within the effective range? p.19 • Are there any obstructions between the remote control and projector? • Are there any fluorescent or other bright lights shining at the projector's infrared remote sensor? Others 50 51