Toshiba TDP-EX20 owner manual Trouble indications, Before calling service personnel

Others

Trouble indications

The indicator lights to inform you of internal abnormalities.

	No power
(Off)	⇒ Problem with projector
	• Unplug the power cord, and contact your dealer.

	Lamp went out during use, or won’t come on
	⇒ Lamp temperature is high so that it is difficult to turn on, the
(Red lit)	lifetime of the lamp has ended or the projector is malfunctioning.
(Red flashing)	• Unplug the power cord and wait for a short while, then turn the
Or
	power back on.
	• If a lamp burns out, replace it with a new one.
(Red lit)
(Red lit)

	Power went out during use
	⇒ Internal overheating, or the outside temperature is too high.
(Red lit)	• Place the projector so that the air intake and exhaust are not
(Red	blocked.
flashing)

•Unplug the power cord and wait for a short while, then turn the power back on.

	HThe	icon will appear before the power goes out.
	Power went out during use
	⇒ Problem with internal cooling fan.
(Red lit)	• Unplug the power cord, and contact your dealer.
(Green	HThe	icon will appear before the power goes out.
flashing)
	Power went out during use, or power won’t come on
(Red lit)	⇒ The lamp cover is not properly attached.
	• Unplug the power cord, and reattach the lamp cover. p.86
(Orange
flashing)
	Power went out during use
(Red lit)	⇒ Problem inside the projector.
	• Unplug the power cord and wait for a short while, then turn the
(Orange lit)
	power back on.
Or
	• If the above action will not clear the problem, unplug the power
	cord, and contact your dealer.
(Orange	HThe	icon will appear before the power goes out.
flashing)

Note

•After there is an abnormal indication, the abnormal status remains until the main power switch is turned off.

Before calling service personnel

If you think something is wrong, check the followings before contacting customer service. Please see “Trouble indications” p.90 as well.

If This Happens		Check
No power	• Is the power cord plugged in? Is it connected to the projector?
	• Is the main power switch turned on? p.26
	• Is the outer lamp cover attached properly? p.86
	• Is the lens cover open? p.26
Power goes out	•	Is the ambient temperature high? p.90
during use	•	Is the air intake or air exhaust blocked? p.90
	• Is the lens cover open? p.26
No picture	•	Is the projector turned on? (When [Auto input search] is [Off]) p.43
	• Is the mute function on? p.34
	• Is the brightness setting minimized? p.38
	• Are the connections set up correctly? p.24
	• Are all the connected devices functioning properly?
No audio	•	Is the mute function on? p.34
	• Is the volume setting minimized? p.29
	• Are the connections set up correctly? p.24
	• Are all the connected devices functioning properly?
Picture not	•	Is the input signal supported by the projector? p.94 p.95
displayed	• Is there something generating an abnormal video signal, for
correctly		instance the video tape?
Picture blurred	•	Is the lens dirty? p.89
Part of picture	•	Is the lens focus adjusted optimally? p.29
out of focus	• Is the projection distance within the projector’s supported range?
		p.23
	• Is the projector’s screen placement angle tilted too far? p.23
	• Are the sharpness or sampling phase adjustments off? p.38
Image is dark	•	Are the brightness or contrast adjustments off? p.38
	• Is the lamp nearing the end of its service life? p.45
Colors too light	•	Are the color, tint, R-level, G-level, or B-level adjustments off? p.38
Bad shading	• Is the screen dirty?
	• Is the blackboard mode set properly? p.43
	• Is the lamp nearing the end of its service life? p.45
Control panel key	•	Is the key lock function on? p.45
doesn’t work

Others

90 91