Mitsubishi Ud740u Projector User Manual

EN-61
Lamp replacement (continued)
3. Assemble the lamp replacement attachment by folding two taping portions (g) and two cutout portions (h) along the folding line as the figure.
(h)
(h)(g)
(g)
4.  Insert the two cutout portions (h) in the slit of the projector, paste the two taping portions (g) with the tape included in the lamp replacement attachment, and then fix the lamp replacement attachment to the projector.
(g)
(g)
(h)
5. Pull out the lamp unit (f) in the bag by the handle (e).
(f)
(e)
6....

EN-62
Troubleshooting
Before asking for repair of the projector, check the following. If the symptom persists, stop using the projector, be 
sure to unplug the power plug, and then contact your dealer.
No image appears on the screen.
ProblemSolution
Power can not be 
turned on.
•	 Check	whether	the	indicators	are	on	or	off	and	how	they	are	lightning.
POWERSTATUSSolution
OffOff•	 Connect	the	power	cord	to	the	projector.
•	 Plug	the	power	cord	into	a	wall	outlet.
Steady red
Off
•	 If	any	objects	are...

EN-63
Troubleshooting (continued)
No image appears on the screen. (continued) 
ProblemSolution
The screen for 
entering the password 
appears.
•	 Password	in	the	Password	menu	has	been	set	to	On	to	enable	the	password	lock.	
 Enter the password or contact the person in charge of management of the 
projector. (See page 57.)
“No signal” is 
displayed.
•	 Turn	on	the	power	of	the	connected	device,	or	check	whether	there	is	something	
wrong with the connected device.
•	 Check	whether	the	external	device...

EN-64
Troubleshooting (continued)
Images are not displayed correctly. (continued) 
ProblemSolution
Projected images 
become wavy. 
•	 Connect	the	plugs	of	the	cables	to	external	devices	securely.
•	 Keep	the	projector	away	from	equipment	generating	interfering	radio	waves.
•	When the keystone adjustment is carried out, the image may not be displa\
yed correctly 
because of the type of input signal. This isn’t a product malfunction. In this case, 
readjust the keystone so that the amount of keystone...

EN-65
Troubleshooting (continued)
Others (continued)
ProblemSolution
The remote control 
doesn’t function easily 
or at all.
•	 Check	that	the	batteries	are	loaded	in	the	remote	control	or	the	batteries	are	not	
weak. (See page 8.)
•	 Check	that	the	remote	control	sensor	isn’t	exposed	to	direct	sunlight	or	fluorescent	
light. (See page 8.)
•	 Use	the	remote	control	within	its	operation	range.	(See	page	8.)
•	 Use	the	remote	control	at	least	10	cm	away	from	the	projector.
The fans sound during 
standby.
•...

EN-66
If the following problem occurs after the lamp is replaced, check the following first.
ProblemSolution
The projector does not 
turn on. 
•	 Fit	the	lamp	cover	securely.	(See	page	60	or	61.)
•	 Reset	the	lamp	operating	time.	(See	page	61.)
The STATUS indicator 
blinks.
•	 Reset	the	lamp	operating	time.	(See	page	61.)
Maintenance
Warning:
•	 Do	not	use	flammable	solvents	(benzene,	thinner,	etc.)	and	flammable	aerosols	when	cleaning	the	projector	body	
and lens. Flammable substances may ignite causing...

EN-67
Indicators
This projector has two indicators, each of which shows the operation condition \
of the projector.
The following offer solutions to possible problems. If these problem persist, turn the projector off and consult your 
dealer.
POWER indicator
STATUS indicator
Normal condition
POWERSTATUSCONDITIONNOTE
Steady red
OffStand-by
Blinking greenLamp stand-by for power-offThe power cannot be turned on by pressingthe POWER button.
Steady green
Blinking greenLamp stand-by for power-onThe power...

EN-68
Specifications
TypeDLP™ projector
ModelUD740U
Rated power supply100 - 240 V AC, 50/60 Hz
Power consumption4.2 A
During standby: 0.5W (when Standby Mode is Low)
Display Technology0.67-inch single chip Digital Micromirror Device (DMD)
Pixels: 1920 x 1200 = 2304000 pixels
Colors16770000 colors
Projection lensF 2.4-2.8, f = 20.6-30.1 mm
Light source lamp280 W
Picture size40–300 inch (Wide) (aspect ratio 16:10)
PC compatibilityResolution: 640 x 480 (Expand) - 1920 x 1200 (Native) 
Sync on Green...

EN-69
Connectors
COMPUTER/COMPONENT VIDEO IN, MONITOR OUT 
(Mini D-SUB 15-pin)
15
11
6 10
15
HDMI (HDMI 19-pin)
191
2
18
SERIAL (D-SUB 9-pin)
15
69
COMPUTER/COMPONENT 
VIDEO IN
Pin No. Spec.
1 R (RED)/CR2G (GREEN)/Y
3 B (BLUE)/CB4 GND
5 GND
6 GND
7 GND
8 GND
9 DDC 5V
10 GND
11 GND
12 DDC Data
13 HD/CS
14 VD
15 DDC Clock
MONITOR OUTPin No. Spec.
1 R (RED)/CR2G (GREEN)/Y
3 B (BLUE)/CB4 -
5 GND
6 GND
7 GND
8 GND
9 -
10 GND
11 -
12 -
13 HD/CS
14 VD
15 -
Pin No.Spec.
1 TMDS	Data	2	+
2 TMDS Data 2 Shield
3...

EN-70
Specifications (continued)
Supported input signals
Signal modeResolution(H x V)
Horizontal frequency (kHz)
Vertical frequency (Hz)
Normal mode (H x V)*1
Native mode(H x V)*2
Plug and Play*3
COMPUTER/COMPONENT VIDEO IN-1 terminal
HDMI terminal
TV60, 480i (525i)720 x 48015.7359.941600 x 1200-*4TV50, 576i (625i)720 x 57615.6350.001600 x 1200-*41080i60 (1125i60)1920 x 108033.7560.001920 x 1080-*41080i50 (1125i50)1920 x 108028.1350.001920 x 1080-*4480p (525p)720 x 48031.4759.941600 x 1200-*4576p...