Mitsubishi Hc7900dw Projector User Manual

							DLP™ PROJECTOR
MODEL
HC7900DW
User Manual
This User Manual is important to you.
Please read it before using your projector.
HC7900DW 
						

							EN-2
The exclamation point within an equilateral triangle is intended to aler\
t the user to the 
presence of important operating and maintenance (servicing) instructions\
 in the literature 
accompanying the appliance.
CAUTION
RISK OF ELECTRIC SHOCK 
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC 
SHOCK, DO NOT REMOVE COVER (OR BACK)
NO USER-SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE 
PERSONNEL.
The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert 
the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure 
that may be of sufficient magnitude to constitute a risk of electric shock.
WARNING:
TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR\
 MOISTURE.
CAUTION:
TO PREVENT ELECTRIC SHOCK, DO NOT USE THIS (POLARIZED) PLUG WITH AN EX\
TENSION CORD, 
RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE 
EXPOSURE.
NOTE:
SINCE THIS PROJECTOR IS PLUGGABLE EQUIPMENT, THE SOCKET-OUTLET SHALL BE INSTALLED NEAR 
THE EQUIPMENT AND SHALL BE EASILY ACCESSIBLE.
WARNING
Use the attached specified power supply cord. If 
you use another power supply cord, it may cause 
interference with radio and television reception.
This apparatus must be grounded.
DO NOT LOOK DIRECTLY INTO THE LENS WHEN 
THE PROJECTOR IS IN THE POWER ON MODE.
CAUTION
The attached power cord is to be used exclusively for 
this product. Never use it for other products. 
						

							EN-3
Trademark, Registered trademark
•	 DLP™,	Digital	Micromirror	Device,	DMD,	and	BrilliantColor™	are	all	trademarks	of	Texas	Instruments.
•	 HDMI,	the	HDMI	logo	and	High-Definition	Multimedia	Interface	are	trademarks	or	registered	trademarks	of	HDMI	
Licensing LLC.
•	 Mac	is	a	registered	trademark	of	Apple	Inc.	
•	 Other	brand	or	product	names	are	trademarks	or	registered	trademarks	of	their	respective	holders.
Contents
Important safeguards ........................................................................\
................................................4
Preparing your projector ........................................................................\
............................................6
Using the remote control  ........................................................................\
...........................................9
Setting up your projector ........................................................................\
.........................................10
Viewing video images  ........................................................................\
..............................................15
Viewing computer images  ........................................................................\
.......................................22
Viewing 3D images ........................................................................\
..................................................25
Menu operation  ........................................................................\
.......................................................28
Adjusting projected images ........................................................................\
.....................................36
Advanced features  ........................................................................\
..................................................41
Replacing the lamp  ........................................................................\
.................................................42
Maintenance ........................................................................\
............................................................45
Troubleshooting  ........................................................................\
.......................................................46
Indicators ........................................................................\
.................................................................51
Specifications  ........................................................................\
..........................................................52 
						

							EN-4
Important safeguards
Please read all these instructions regarding your 
projector and retain them for future reference. Follow 
all warnings and instructions marked on the projector.
1. Read instructions
 All the safety and operating instructions should be 
read before the appliance is operated.
2. Retain instructions
 The safety and operating instructions should be 
retained for future reference.
3. Warnings
 All warnings on the appliance and in the operating 
instructions should be adhered to.
4. Instructions
 All operating instructions must be followed.
5. Cleaning
 Unplug this projector from the wall outlet before 
cleaning it. Do not use liquid aerosol cleaners. Use 
a damp soft cloth for cleaning.
6. Attachments and equipment
 Never add any attachments and/or equipment 
without the approval of the manufacturer as such 
additions may result in the risk of fire, electric 
shock or other personal injury.
7. Water and moisture
 Do not use this projector near water or in contact 
with water.
8. Accessories
 Do not place this projector on an unstable cart, 
stand, tripod, bracket or table. Use only with a 
cart, stand, tripod bracket, or table recommended 
by the manufacturer or sold with the projector. 
Any mounting of the appliance should follow 
the manufacturer’s instructions and should use 
a mounting accessory recommended by the 
manufacturer.
 An appliance and cart combination should be 
moved with care. Quick stops, excessive force and 
uneven surfaces may cause the appliance and cart 
combination to overturn.
9. Ventilation
 Slots and openings in the cabinet are provided 
for ventilation, ensuring reliable operation of the 
projector and to protect it from overheating. Do 
not block these openings or allow them to be 
blocked by placing the projector on a bed, sofa, 
rug, or bookcase. Ensure that there is adequate 
ventilation and that the manufacturer’s instructions 
have been adhered to.
10. Power sources
 This projector should be operated only from the 
type of power source indicated on the marking 
label. If you are not sure of the type of power, 
please consult your appliance dealer or local 
power company.
11. Power-cord protection
 Power-supply cords should be routed so that 
they are not likely to be walked on or pinched 
by items placed upon or against them. Pay 
particular attention to cords at plugs, convenience 
receptacles, and points where they exit from the 
appliance. Do not put the power cord under a 
carpet.
12. Overloading
 Do not overload wall outlets and extension cords 
as this can result in a fire or electric shock.
13. Objects and liquids
 Never push objects of any kind through openings 
of this projector as they may touch dangerous 
voltage points or short-out parts that could result 
in a fire or electric shock. Never spill liquid of any 
kind on the projector.
14. Servicing
 Do not attempt to service this projector by yourself. 
Refer all servicing to qualified service personnel. 
15. Damage requiring service
 Unplug this projector from the wall outlet and refer 
servicing to qualified service personnel under the 
following conditions:
(a) If the power-supply cord or plug is damaged.
(b) If liquid has been spilled, or objects have fallen 
into the projector.
(c) If the projector does not operate normally after 
you follow the operating instructions. Adjust 
only those controls that are covered by the 
operating instructions. An improper adjustment 
of other controls may result in damage and 
may often require extensive work by a qualified 
technician to restore the projector to its normal 
operation.
(d) If the projector has been exposed to rain or 
water.
(e) If the projector has been dropped or the 
cabinet has been damaged.
(f) If the projector exhibits a distinct change in 
performance - this indicates a need for service.
16. Replacement parts
 When replacement parts are required, be sure 
that the service technician has used replacement 
parts specified by the manufacturer or parts 
having the same characteristics as the original 
part. Unauthorized substitutions may result in fire, 
electric shock or other hazards.
17. Safety check
 Upon completion of any service or repair to this 
projector, ask the service technician to perform 
safety checks determining that the projector is in a 
safe operating condition. 
						

							EN-5
WARNING:
Unplug immediately if there is something wrong with 
your projector.
Do not operate if smoke, strange noise or odor comes out 
of your projector. It might cause fire or electric shock. In this 
case, unplug immediately and contact your dealer.
Never remove the cabinet.
This projector contains high voltage circuitry. An 
inadvertent contact may result in an electric shock. 
Except as specifically explained in the User Manual do 
not attempt to service this product by yourself. Please 
contact your dealer when you want to fix, adjust or 
inspect the projector.
Do not modify this equipment.
It can lead to fire or electric shock.
Do not keep using the damaged projector.
If the projector is dropped and the cabinet is damaged, 
unplug the projector and contact your dealer for inspection. 
It may lead to fire if you keep using the damaged projector.
Be sure to unplug the power cord from the wall outlet 
if the projector is fractured or deformed.
Otherwise, it may result in fire or electric shock. Ask your 
dealer for repair.
Do not face the projector lens to the sun.
It can lead to fire.
Use correct voltage.
If you use incorrect voltage, it can lead to fire.
Do not place the projector on uneven surface.
Place the projection on a leveled and stable surface only. 
Please do not place equipment on unstable surfaces.
Do not look into the lens when it is operating.
It may hurt your eyes. Never let children look into the lens 
when it is on.
Do not put any objects immediately in front of the lens 
while the lamp is on.
The lens and the objects get hot and can cause fire or 
breakdown. 
Do not unplug the power cord during operation.
It can lead to lamp breakage, fire, electric shock or other 
trouble. It is best to wait for the fan to turn off before 
turning the main power off.
Do not touch the exhaust vents and bottom plate, 
which become hot.
Do not touch them or put other equipment in front of the 
exhaust vents. The exhaust vents and bottom plate, when 
heated, may cause injury or damage to other equipment. 
Also, do not set the projector on the desk which is easily 
affected by heat.
Do not look into the exhaust vents when projector is 
operating.
Heat, dust, etc. may blow out of them and hurt your eyes.
Do not block the intake and exhaust vents.
If they are blocked, heat may be generated inside the 
projector, causing deterioration in the projector quality and fire.
Do not use flammable solvents (benzene, thinner, etc.) 
and flammable aerosols near the projector.
Flammable substances may ignite causing fire or 
breakdown because the temperature inside the projector 
rises very high while the lamp is illuminating.
Do not use the projector with condensation on it. 
It can lead to breakdown or other failure. 
Place of installation
For safety’s sake, refrain from setting the projector at any 
place subjected to high temperature and high humidity. 
Please maintain an operating temperature, humidity, and 
altitude as specified below.
•	 Operating	temperature:	between	+41°F	(+5°C)	and	
+95°F	(+35°C)
•	 Operating	humidity:	between	30%	and	90%
•	 Never	put	any	heat-producing	device	under	the	
projector so that the projector does not overheat.
•	 Do	not	attach	the	projector	to	a	place	that	is	unstable	
or subjected to vibration.
•	 Do	not	install	the	projector	near	any	equipment	that	
produces a strong magnetic field. Also refrain from 
installing near the projector any cable carrying a large 
current.
•	 Place	the	projector	on	a	solid,	vibration	free	surface;	
otherwise it may fall, causing serious injury to a child 
or adult, and serious damage to the product.
•	 Do	not	stand	the	projector;	it	may	fall,	causing	serious	
injury and damage to the projector.
•	 Slanting	the	projector	more	than	±10°(right	and	left)	or	
±15°(front	and	rear)	may	cause	trouble	or	explosion	of	
the lamp.
•	 Do	not	place	the	projector	near	air-conditioning	unit,	
heater, or humidifier to avoid hot or moist air to the 
exhaust and ventilation hole of the projector.
•	 Do	not	place	the	projector	in	the	following	places.	
Otherwise, a short circuit, heat generation, or melting 
of the power cord coating may occur, causing fire, 
electric shock, product failure, or deformation.
•	 Outdoors	or	non	air-conditioned	place
•	 Place	where	a	gas	such	as	a	hydrogen	sulfide	is	
generated (i.e. hot spring)
•	 Place	where	there	is	too	much	salt	such	as	near	
the coast
Do not place a container containing water or other 
liquid on the projector.
If water spills on or enters the projector, it may result in 
fire or electric shock.
Do not put any object that is heavy or larger than the 
outer frame on the projector.
Otherwise, the object may fall losing its balance and 
cause injury.
Do not subject the projector to strong shocks or 
vibrations. Do not handle the projector roughly.
The projector may be damaged, resulting in fire or electric 
shock.
Important safeguards (continued) 
						

							EN-6
What’s included in the box
AC power cord* for the U.S. J2552-0063-03
  for Europe J2552-0247-00
  for the U.K. J2552-0065-02
  for Australia J2552-0053-00
  for South Korea J2552-0247-00
Computer cable    J2552-0072-05
Mini DIN 5-pin cable  02552-0388-00
Remote control
User Manual/Quick Start up (English only)
Safety Manual/Quick Start up
CD-ROM (with User Manual)
Battery (2)
Lens cap
Lamp replacement attachment
* One of power cords for the U.S., Europe, U.K., Australia, and South Korea is provided appropriately.
Important:
•	 The	attached	power	cord	is	to	be	used	exclusively	for	this	product.	Never	use	it	for	other	products.
Inserting the batteries into the remote control
1. Remove the back lid of the remote control.
2.	 Check	the	polarity	(+),	(-)	of	the	batteries,	and	set	them	
correctly, inserting their (-) side first.
•	 If	the	battery	is	inserted	from	the	(+)	side	first,	
inserting the (-) side is difficult because the coil spring 
end hits on the battery side. If the battery is forced in 
this way, the outer label of the battery may get ripped 
and it may cause a short-circuit and heating.
3. Attach the back lid.
Important:
•	 Use	two	size-AA	batteries	(R6).
•	 Replace	the	two	batteries	with	new	ones	when	the	
remote control is slow to respond.
Removing the batteries from the remote control
Remove the back lid of the remote control and take out the  batteries.
Caution:
•	 Use	of	a	battery	of	wrong	type	may	cause	explosion.
•	 Only	Carbon-Zinc	or	Alkaline-Manganese	Dioxide	type	batteries	should	be	used.	
•	 Dispose	of	used	batteries	according	to	your	local	regulations.	
•	 Before	you	dispose	of	the	batteries,	insulate	them	by	placing	insulation	tape	on	the	positive	(+)	and	negative	(-)	
terminals. If you dispose of the batteries together with other conductiv\
e objects such as a metal piece, they may 
short out, resulting in fire or explosion.
•	 Batteries	may	explode	if	misused.	Do	not	recharge,	disassemble,	or	heat	the	batteries,	or	put	them	into	fire	or	
water.
•	 Be	sure	to	handle	the	batteries	according	to	the	instructions.
•	 Load	the	batteries	with	its	positive	(+)	and	negative	(-)	sides	correctly	oriented	as	indicated	on	the	remote	control.	
•	 Keep	batteries	out	of	reach	of	children	and	pets.	If	children	swallow	the	battery,	see	a	doctor	immediately.
•	 Remove	the	batteries,	if	the	remote	control	is	not	used	for	a	long	time.	
•	 Do	not	combine	a	new	battery	with	an	old	one.
•	 If	the	solution	of	batteries	comes	in	contact	with	your	skin	or	clothes,	rinse	with	water.	If	the	solution	comes	in	
contact with your eyes, rinse them with water and then consult your doct\
or.
•	 Do	not	carry	or	store	the	batteries	together	with	metallic	ballpoint	pens,	necklaces,	coins,	or	hairpins.	Otherwise,	
they may short out, causing explosion or liquid leakage and resulting in fire or injury.
•	 Do	not	store	the	batteries	where	they	are	exposed	to	direct	sunlight	or	subjected	to	high	temperature	and	high	
humidity. High temperature and high humidity may cause corrosion or liquid leakage.
Preparing your projector
2
31 
						

							EN-7
Overview
1 COMPONENT VIDEO IN terminals
2 COMPUTER/COMPONENT VIDEO IN terminal (mini 
D-SUB 15-pin)
3 HDMI 1 terminal (HDMI 19-pin)
4 HDMI 2 terminal (HDMI 19-pin)
5 SERIAL terminal (D-SUB 9-pin)
•	 Used	for	projector	control	by	computer.	Contact	your	
dealer for details.
6 3D SYNC terminal
7 TRIGGER terminals
•	 Used	for	externally	connected	devices	(electric	screens)	
and anamorphic lens.
8 Power jack
1 POWER button (ON/STANDBY)
•	 The	status	is	changed	between	ON	and	STANDBY.
2 POWER indicator
3 AUTO POSITION/p button
4 HDMI/COMPUTER/t button
5 q button
6 STATUS indicator
7 MENU button
8 COMPONENT/u button
9 ENTER button
1 Lamp cover
2 Lens
3 FOCUS ring
4 ZOOM ring
5 Control panel
6 LENS SHIFT dial
7 Remote control sensor (top)
8 Adjustment feet
9 Remote control sensor (front)
10 Intake vent
11 Terminal panel
12 Remote control sensor (rear)
13 Kensington Security Lock Standard connector
14 Exhaust vent
Terminal panel
Control panel
Preparing your projector (continued)
15 6
1043
2
1112
98
1314
7
1
26
8
9
3
4
5
7
12
34 7
856 
						

							EN-8
Remote control
1 STANDBY () button
2 ON ( I ) button
3 COMPUTER/COMPONENT button
4 HDMI 1/2 button
5 PICTURE MODE button
6 F.R.C. button
7 AV MEMORY buttons
8 p, q, t, u buttons
9 MENU button
10 CONTRAST button
11 BRIGHTNESS button
12 GAMMA button
13 2D-3D button (See page 26.)
14 3D MODE button (See page 25.)
15 3D SYNC PAUSE button (See page 26.)
16 COLOR MANAGEMENT button
17 ENTER button
18 IRIS button
19 ASPECT button
20 COLOR TEMP. button
21 SHARPNESS button
22 COLOR button
23 AUTO POSITION button
24 ANAMO button
Preparing your projector (continued)
19
20
21
22
23
24 17 14
18 16 15
1
2
3
4
5
6
7
8
9
10
11
12
13
Important:
•	 When	you	press	any	button	on	the	remote	control,	the	buttons	on	the	remote	control	are	lit.	Wait	approx.	6	
seconds after releasing the button to turn them off.
Picture quality selection buttons
Using the following picture quality selection buttons, you can easily select the preset quality setting. Every time you 
press the button, the setting switches. Alternatively, you can select the picture quality setting using the IMAGE menu. 
(See page 30.)  Items in the menus are shown in parentheses below.
PICTURE MODE (PICTURE MODE) ...Switches the picture mode.
IRIS (IRIS) .........................................Switches the IRIS mode.
Picture quality adjusting buttons
When you press any of the following picture quality adjusting buttons, the screen for adjusting the picture quality 
appears. Adjust the picture quality by pressing the t and u buttons. The picture quality adjustment can be made 
alternatively in the IMAGE menu. (See page 30.) Items in the menus are shown in parentheses below.
CONTRAST (CONTRAST) ................Adjusts the contrast of the projected image.
GAMMA (GAMMA MODE) ................Selects one of the preset gamma mode. Adjustment of USER mode is also 
available. (See page 39.)
BRIGHTNESS (BRIGHTNESS) .........Adjusts the brightness of the projected image.
COLOR TEMP. (COLOR TEMP.) .......Selects one of the preset color temperatures. Adjustment of USER mode is also 
available. (See page 37.)
COLOR (COLOR) ..............................Adjusts the color thickness of the projected image.
SHARPNESS (SHARPNESS) ............Adjusts the sharpness of the projected image.
F.R.C. (FRAME RATE CONVERSION /  ...For 2D image display:
F.R.C. LEVEL / 3D F.R.C. LEVEL)  Selects the setting of FRAME RATE CONVERSION. By pressing the ENTER 
button with TRUE VIDEO or TRUE FILM selected and then pressing the t or u 
button, you can adjust the effect level of the motion interpolation by the frame 
rate conversion (F.R.C. LEVEL). (See page 31.)
  For 3D image display (only when 1080p24 frame packing signal is input)\
:
 Adjusts the effect level of the motion interpolation by the frame rate conversion 
to 3D images (3D F.R.C. LEVEL). 
						

							EN-9
Operational range of the remote control
Reception distance
Operate the remote control within a distance of 10 m (30 feet) from the projector, pointing the IR beam at the remote 
control photo-sensor (front, rear, or top) of the projector.
Vertical and front-to-back directions (ceiling mount)
Reception angle
Horizontal direction
When operating the remote control, keep the distance 
from the remote control to the projector via the 
screen within about 5 m (15 feet). The operable range 
of the remote control, however, depends on the 
characteristics of the screen.
Important:
•	 Keep	the	remote	control	photo-sensor	out	of	direct	sunlight	or	fluorescent	lamp	light.
•	 Keep	the	remote	control	photo-sensor	at	least	2	m	(6	feet)	away	from	fluorescent	lamps.	Otherwise,	the	remote	
control may malfunction.
•	 If	there	is	an	inverter-operated	fluorescent	lamp	near	the	remote	control,	the	remote	control	operation	may	
become unstable.
•	 When	you	use	the	remote	control	too	close	to	the	remote	control	sensor,	the	remote	control	may	not	work	
correctly. 
•	 A	remote	control	may	operate	improperly	while	you	watch	the	3D	images.	However,	it	is	not	a	malfunction.
•	 When	a	remote	control	operates	improperly	while	you	watch	the	3D	images,	change	the	setting	of	REMOTE	
POSITION in the FEATURE menu. (See page 33.)
Using the remote control
20°
10°20°
10°
30°
30°
20°20°
30°
30°
Vertical and front-to-back directions
30°
30°30°
30°
30°
30°
Front of projectorRear of projectorTop of projector 
						

							EN-10
Setting up your projector
Setting up the screen
Install the screen perpendicularly to the projector. If the screen can not be installed in such a way, adjust the 
projection angle of the projector. (See page 12.)
•	 Install	the	screen	and	projector	so	that	the	projector’s	lens	is	placed	at	the	same	height	and	horizontal	position	of	
the screen center.
•	 Do	not	install	the	screen	where	it	is	exposed	to	direct	sunlight	or	lighting.	Light	directly	reflecting	on	the	screen	
makes the projected images washed-out and hard to view.
SCREEN SIZE
You can keep the image display area within the screen by setting SCREEN SIZE in the ADVANCED MENU of IMAGE 
menu according to the aspect ratio of the actual screen. Select 16:9 when the aspect ratio of the screen is 16:9 or 
4:3, and select CINEMA SCOPE (2.35:1) when the aspect ratio is 2.35:1 \
(CinemaScope).
When setting SCREEN SIZE to CINEMA SCOPE (2.35:1):
•	 CinemaScope	size	movies	are	projected	in	the	full	screen.	
•	 Set	ASPECT	in	the	FEATURE	menu	to	16:9	when	displaying	Vista-size	images.	In	this	case,	they	are	squeezed	
horizontally.
•	 When	ASPECT	in	the	FEATURE	menu	is	set	to	AUTO	and	480i/p,	576i/p,	720p,	or	1080i/p	signal	is	input,	the	part	
for displaying subtitles is not projected. To display subtitles, reset SCREEN SIZE to 16:9 and adjust the image 
position using VERTICAL LOCATION in the ADVANCED MENU of the IMAGE menu. (To display the menu on the 
screen, adjust SHUTTER(U) in the SIGNAL - USER menu to position the menu.\
)
Screen size and projection distance
Refer to the following tables to determine the screen size and projection distance.
•	 The	figures	in	the	tables	are	approximate	and	may	be	slightly	different	from	the	actual	measurements.
•	 The	lens	shift	height	shows	distances	from	the	factory	default	position.
Screen width (SW)
Down side
Up side
Scr
een
Screen height (SH)
Hd
H1
H2
L
When the aspect ratio of the screen is 16:9
Screen size (16:9)Projection distance (L)HdLens shift height
Diagonal sizeHeight (SH)Width (SW)Shortest (Wide)Longest (Tele)H1H2
inchcminchcminchcminchminchminchcminchcminchcm50127 25 62 44 111 59 1.5 89 2.3 8 21 4 9 3 8 60152 29 75 52 133 71 1.8 107 2.7 10 25 4 11 4 9 70178 34 87 61 155 84 2.1 125 3.2 12 29 5 12 4 11 80203 39 100 70 177 96 2.4 144 3.6 13 34 6 14 5 12 90229 44 112 78 199 108 2.7 162 4.1 15 38 6 16 6 14 100254 49 125 87 221 120 3.1 180 4.6 16 42 7 18 6 16 110279 54 137 96 244 133 3.4 198 5.0 18 46 8 20 7 17 120305 59 149 105 266 145 3.7 216 5.5 20 50 8 21 7 19 150381 74 187 131 332 182 4.6 271 6.9 25 63 11 27 9 23 200508 98 249 174 443 243 6.2 362 9.2 33 84 14 36 12 31 
250635 123 311 218 553 304 7.7 --41 105 18 45 15 39 300762 147 374 261 664 365 9.3 --49 126 21 54 18 47 
•	 Projection	distance	changes	according	to	the	setting	of	SCREEN	SIZE	in	the	ADVANCED	MENU	in	the	IMAGE	menu.	The	table	above	is	in	the	case of “16:9.”
•	 Depending	on	the	installation	conditions,	warm	air	that	is	emitted	from	the	exhaust	vents	may	flow	into	the	intake	
vent, causing the projector to display “TEMPERATURE!!” and then stop projecting images.