Toshiba TDP-T90, TDP-T91 Lens and main unit cleaning, Trouble indications, Lamp replacement

Lamp replacement (Continued)

Used Lamps

This projector’s lamps contain trace amounts of environmentally harmful inorganic mercury. Be careful not to break used lamps, and dispose of them in accordance with local regulations.

Lens and main unit cleaning

WARNING

•Request cleaning and maintenance of a ceiling-mounted unit from your projector dealership. Attempting to clean/replace the lamp at a high site by yourself may cause you to drop down, thus resulting in injury.

■ Lens cleaning

• Clean the lens with a commercially available blower and/or lens cleaner.

• The lens is easily scratched, so do not rub it with hard objects, or strike it.

■Main unit cleaning

•Clean the main unit after unplugging the power cord.

• Wipe dirt off the main unit gently with a soft cloth.

• If the soiling is severe, dip the cloth in a neutral detergent diluted in water, wring well, and gently wipe off the dirt, then finish up by wiping with a dry cloth.

●Replacing cooling fans

To maintain the performance, it is recommended that cooling fans should be replaced about every 2 to 3 years. Consult with your dealer for details.

Trouble indications

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.39

(Off)

	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
(Red lit)	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
	(Red lit)	the standby state waiting for internal cool down.

	Power went out during use
(Red lit or flashing)	⇒ Internal overheating, or the outside temperature is too high.
(Green lit)	• Place the projector so that the air intake and exhaust are not blocked.
Or (Orange lit)	• 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.
(Red lit)	❈ 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.
(Red lit or flashing)	• Unplug the power cord, and contact your dealer.
Or (Orange lit)	❈ The	icon will appear before the power goes out.
	❈ After approx. one minute of abnormal display, the projector returns to
(Red lit)	the standby state waiting for internal cool down.

		Power went out during use
(Green lit		⇒ Problem inside the projector.
		• Unplug the power cord and wait for a short while, then turn the power back on.
(Green lit or Off)	(Green
or Off)	flashing)	• If the above action will not clear the problem, unplug the power cord,
		and contact your dealer.
(Red lit)		❈ After approx. one minute of abnormal display, the projector returns to
		the standby state waiting for internal cool down.

TDP-T91	Power went out during use
	⇒ Camera is not correctly connected.
	• Disconnect the power plug and check the connection with the camera.
(Green lit)	❈ 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.

(Red lit)

	PRECAUTION	Others
• Make sure to unplug the power cord if something goes wrong.

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