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Toshiba mt400 dlp projector Manual

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36
If you think something is wrong, check the followings before contacting customer service.
Please see “Trouble indications”
p.36
as well.
If This Happens Check
No power
Power goes out
during use
No picture
Picture not
displayed
correctly
Picture blurred
Part of picture
out of focus
Image is dark
Colors too light
Bad shading
Remote control
doesn’t work
Before calling service personnel
• Is the power cord plugged in? Is it connected to the projector?
• Is the lamp cover loose?
p.34
• Is the ambient temperature high?
p.36
• Is the air intake or air exhaust blocked?
p.36
• Is the projector turned on?
p.23
• Is the mute function on?
p.27
• Is the brightness setting minimized?
p.29
• Are the connections set up correctly?
p.20
• Are all the connected devices functioning properly?
• Is the input signal supported by the projector?
p.39
,
p.40
,
p.41
• Is there something generating an abnormal video signal, for
instance the video tape?
• Is the lens dirty?
p.35
• Is the lens focus adjusted optimally?
p.24
• Is the projection distance within the projector’s supported range?
p.19
• Is the projector’s screen placement angle tilted too far?
p.19
• Are the sharpness or sampling phase adjustments off?
p.26
p.29
• Are the brightness or contrast adjustments off?
p.29
• Is the lamp nearing the end of its service life?
p.32
• Are the color, tint, R-level, G-level, or B-level adjustments off?
p.29
• Is the screen dirty?
• Is the lamp nearing the end of its service life?
p.32
• Are the remote control’s batteries drained?
• Are the batteries inserted into the remote control correctly?
p.18
• Is the remote control being used within the effective range?
p.18
• 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?
The indicator lights inform you of internal abnormalities.
No power
⇒ Problem with projector
• Unplug the power cord, and contact your dealer.
⇒ The lamp cover is not properly attached.
• Unplug the power cord, and reattach the lamp cover.
p.34
Lamp went out during use, or won’t come on
⇒ Lamp temperature is high so that it is difficult to turn on, the lifetime of
the lamp has ended or the projector is malfunctioning.
•
Unplug the power cord and wait for a short while, then turn the power back on.
• If a lamp burns out, replace it with a new one.
❈ After approx. one minute of abnormal display, the projector returns to
the standby state waiting for internal cool down.
Power went out during use
⇒ Internal overheating, or the outside temperature is too high.
• Place the projector so that the air intake and exhaust are not blocked.
•
Unplug the power cord and wait for a short while, then turn the power back on.
❈ The icon will appear before the power goes out.
❈ After approx. one minute of abnormal display, the projector returns to
the standby state waiting for internal cool down.
Power went out during use
⇒ Problem with internal cooling fan.
• Unplug the power cord, and contact your dealer.
❈ The
icon will appear before the power goes out.
❈ After approx. one minute of abnormal display, the projector returns to
the standby state waiting for internal cool down.
Power went out during use
⇒ Problem inside the projector.
•
Unplug the power cord and wait for a short while, then turn the power back on.
• If the above action will not clear the problem, unplug the power cord,
and contact your dealer.
❈ After approx. one minute of abnormal display, the projector returns to
the standby state waiting for internal cool down.
PRECAUTION
• Make sure to unplug the power cord if something goes wrong.
(Off)
Or (Orange lit)
Or (Orange lit)
(Red lit)
Trouble indications
Others
(Red lit)
(Green lit)
(Red lit or flashing)
(Red lit)
(Red lit or flashing)
(Red lit)
(Red lit)
(Green lit
or Off)
(Green
flashing)
(Green lit
or Off)
… 19 …


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