Toshiba TDP-T90AU Посібник користувача - Сторінка 42

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Before calling service personnel

If you think something is wrong, check the followings before contacting customer service.

Please see "Trouble indications"

If This Happens

No power

Power goes out

during use

No picture

No audio

Picture not

displayed

correctly

Picture blurred

Part of picture

out of focus

Image is dark

Colors too light

Bad shading

Control panel

key doesn't work

Remote control

doesn't work

p.41

as well.

Check

• Is the power cord plugged in? Is it connected to the projector?

• Is the outer lamp cover attached properly?

• Is the ambient temperature high?

• Is the air intake or air exhaust blocked?

• Is the mute function on?

• Is the brightness setting minimized?

• Are the connections set up correctly?

• Are all the connected devices functioning properly?

• Is the mute function on?

• Are the connections set up correctly?

• Are all the connected devices functioning properly?

• Is the input signal supported by the projector?

• Is there something generating an abnormal video signal, for

instance the video tape?

• Is the lens dirty?

• Is the lens focus adjusted optimally?

• Is the projection distance within the projector's supported range?

• Is the projector's screen placement angle tilted too far?

• Are the sharpness or sampling phase adjustments off?

• Are the brightness or contrast adjustments off?

• Is the lamp nearing the end of its service life?

• Are the color,tint adjustments off?

• Is the screen dirty?

• Is the lamp nearing the end of its service life?

• Is the key lock function on?

• Is the remote control ON/OFF switch set off?

• Are the remote control's batteries drained?

• Are the batteries inserted into the remote control correctly?

• Is the remote control being used within the effective range?

• 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?

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