Mitsubishi L75–A81, L75–A91 Television Owners Guide

							 1.  Basic Setup and Operation 9
In the U.S. call 1(877) 675-2224 for assistance.
TV Control Panel
Buttons on the control panel duplicate some keys on 
the remote control.
Refer to •	left labels when no TV menus are dis-
played.
Refer to •	right labels when using TV menus or after 
activating a special function.
System Reset
If the TV fails to respond to the remote control, the 
control-panel buttons, or will not power on/off, perform 
System Reset.  Recent setting changes made before 
using System Reset may be lost.
To perform System Reset, press and hold the POWER 
button on the control panel for ten seconds.
Panel-Lock Release
To  •	release the Panel Lock using the TV control 
panel, press and hold the ACTIVITY button on the 
control panel for ten seconds.  If the TV is off, press 
the POWER button to make it power on.
To activate the Panel Lock, use the •	Lock menu, 
page 49.
TV Controls and Indicators, continued 
						

							10 1.  Basic Setup and Operation
In Canada call 1(800) 450-6487 for assistance.
Key
  Off
  Steady On
  Slow Blinking
  Fast Blinking
POWER Indicator
LED ColorTV ConditionAdditional Information
None TV is powered off.Normal operation.
Green TV is powered on.Normal operation.
Green TV powered off, auto-on TV Timer is set.Normal operation.  TV can be turned on at any time.
Green TV power just turned on.Normal operation.  A picture will appear shortly.
TV just plugged into AC outlet.•	
AC just restored after power failure.•	
TV is rebooting after power fluctua-•	
tion or receiving abnormal digital 
signals from a digital channel or 
digital device.
You have begun the procedure to •	
update software from an authorized 
flash memory device.
Wait approximately two minutes for blinking to stop before 
turning on.  Normal operation.
Yellow TV is too hot.The TV will display a warning message and shut off if it over-
heats.
•	 Ambient	room	temperature	may	be	too	high.		Turn	off	
the TV and let the room temperature drop.
•	 Clear	blocked	air	vents.		Ensure	at	least	a	four-inch	
clearance on all sides of the TV. 
Red 
 
TV may require service.Turn off the TV and unplug the set from the AC power 
source.  Wait one minute and then plug the set back in.  See 
Appendix E.
If the LED is still on, contact Mitsubishi to receive Authorized 
Service Center information:
U.S.A .  Go to www.mitsubishi-tv.com or call 1-877-675-2224.
Canada.  Go to www.MitsubishiElectric.ca or call 
1-800-450-6487.
POWER
POWER
TV Controls and Indicators, continued 
						

							 1.  Basic Setup and Operation 11
In the U.S. call 1(877) 675-2224 for assistance.
Before You Begin
Review the important safety, installation, and oper-1. 
ating information at the beginning of this book.
Choose a location for your TV.2. 
•	 Allow	at	least	four	inches	of	space	on	all	sides	
of the TV to help prevent overheating.  Over-
heating may cause premature failure of the TV.
•	 Avoid	locations	where	light	may	reflect	off	the	
screen.
•	 See	the	stand	requirements	on	page 1.
Install the batteries in the remote control.3. 
Plug the TV into an AC power outlet.4. 
Power-On
Confirm that the remote 1. 
control is in TV mode.  
Press the side button •	
once to light the mode 
indicator and confirm 
that TV mode is active. 
To change, press the •	
side button additional 
times to activate TV 
mode.
GUIDEMENUINFOBACK
TV
Aim the remote control 2. 
at the TV and press the 
POWER key .  Wait for the 
Welcome screen.
GUIDEMENUINFOBACK
Press 3.  if you wish to 
change the menu language 
to Español.
Press 4.  to move to the  
Home/Retail selections.  
Here you can choose a 
picture mode suited to your 
viewing conditions.
Mitsubishi recommends the •	Home setting.  
The Home setting selects the Brilliant Picture 
Mode.
The •	Retail setting selects the Super Brilliant 
Picture Mode.  The Super Brilliant Picture 
Mode is designed to compensate for the 
harsh, bright lighting used in retail settings and 
is not recommended for home use.  Prolonged 
use of the Super Brilliant Picture Mode will age 
the lasers faster, reducing picture brightness 
as the TV ages.
For more on Picture Modes, see •	page 38.
Press 5.  to highlight EXIT.  
Press ENTER to clear the 
menu.
First-Time Power-On
TV Tips
Turning the TV On or Off
Point the remote control at the front of the TV •	
and press the POWER button.
Press the •	POWER button on the TV control 
panel.
Controlling Sound Volume
Press •	VOLUME UP/VOLUME DN to adjust the sound 
level from the TV speakers.
See also  •	“Controlling A /V Receiver Sound 
Volume” on page 26.   
						

							12 1.  Basic Setup and Operation
In Canada call 1(800) 450-6487 for assistance.
 Setting Up Other Inputs
Connect your devices to the TV, making note of 1. 
which TV input jack is used for each device.  See 
“TV Connections,” page 18, for recommendations.
Power on the devices to ensure detection.2. 
Power on the TV.3. 
The TV will display the New Device Found screen 
for each new connection it detects  Learn more 
about Auto Input/Auto Output Sensing on the 
opposite page.
Select the device type from the list on screen.4. 
Sample New Device 
Found screen.
Important Note for NetCommand IR Users
L75 -A91.  Be sure to select the correct device type 
here.  Although you can change the device type later 
in the Inputs > Name menu, any “learned” NetCom-
mand IR codes will be erased when you make the 
change.
L75 -A91.5.   You can perform NetCommand IR “learn-
ing” after selecting the device type or at a later 
time when convenient.  To perform now, high-
light NetCommand and press ENTER.  See “Initial 
NetCommand Setup,” page 52 or “Setting Up A /V 
Receiver Control,” page 57.
Press 6. BACK to close the New Device Found screen.  
The TV will then display the New Device Found 
screen for the next connection it finds.
Using the ANT (Antenna) Input
If using an antenna or direct cable service (no cable 
box), connect the incoming coaxial cable to the TV’s 
ANT input.  Refer to page 22.
You must save channels to memory with a channel scan 
to enable reception of all available high-definition and 
standard-definition digital channels.  The channel  scan 
will search for channels available locally.  If you skip 
this step, the TV can receive only analog channels.
Memorizing Channels with Channel Scan
For the ANT input
To start channel memorization
Power on the TV.1. 
Press 2. MENU and open the Initial > Channel menu.
Start channel memorization from the Initial > Channel 
menu.
Press 3. ENTER to enter the menu.
Select 4. Ant Air if connected to an 
over-the-air antenna.  Select Ant 
Cable for direct cable.
Highlight 5. Scan and press ENTER.  
Channel memorization may take up 
to 15 minutes to complete.
To stop channel memorization before completion, 
press CANCEL.
Use the Initial > Channel > Edit menu (page 44) for 
additional channel options, such as adding or deleting 
channels from memory.
Setting Up TV Inputs 
						

							 1.  Basic Setup and Operation 13
In the U.S. call 1(877) 675-2224 for assistance.
About Auto Sensing
This TV’s Easy Connect™ Auto Sensing feature 
detects most connections automatically.  The excep-
tions are:
A connection on the •	ANT input
An HDMI device that is powered off.  Power on •	
the device to ensure detection.
Auto Input/Auto Output Sensing for Most Devices
When you first connect a device, the TV will:
a. Detect the connected device and automati-
cally switch to it.
b. Prompt you to identify the device type.
c. L75 -A91.  Prompt you to perform NetCom-
mand set-up for the device, if available.
d. Repeat these steps for other newly detected 
devices.
When You First Connect a Device
Most Device Types.•	  Select the device type from 
the on-screen list.  The device type you select 
here will appear as a device icon in the Activity 
menu.
A /V Receiver•	
T -he TV can detect audio connections on the 
DIGITAL AUDIO OUTPUT jack (orange) and the 
right (red) AVR AUDIO OUTPUT jack.
For an HDMI A /V receiver, select  -AVR from 
the list of device types if the A /V receiver is 
not recognized automatically.
HDMI CEC Devices Compatible with the TV’s •	
HDMI Control Feature.  Compatible CEC-
enabled HDMI devices are often recognized auto-
matically by the TV.   HDMI Control may allow you 
to control some functions of a CEC-enabled device.  
See  Appendix C, “HDMI Control of CEC Devices.”
New Device Found screen for a device with HDMI 
control enabled.  Select On to enable the TV’s CEC 
control of the device.  In some cases, as in the 
example above, you will also be prompted to select a 
device name.
Tips on Auto Sensing
Choose a different name for each input.•	
The antenna input (•	ANT) is never detected, 
although you can turn off the unused antenna 
input in the Inputs > Name menu.
Change the device type displayed in the •	Activity 
menu by using the Inputs > Name menu (page 
45).
L75 -A91.•	  Any “learned” NetCommand IR codes 
will be erased if you change the device type in 
the Inputs > Name menu.
Reactivating Auto Input Sensing 
for an HDMI Input
When you disconnect an HDMI device, Auto Input 
Sensing is disabled until you perform these steps.
Disconnect the HDMI device.1. 
Delete the removed HDMI device in the 2. Inputs > 
Name menu (see “Removing an HDMI Device,” 
page 75).
Connect the new device and the 3. New Device 
Found screen will display.
Setting Up TV Inputs, continued 
						

							14 1.  Basic Setup and Operation
In Canada call 1(800) 450-6487 for assistance.
Selecting an Input to Watch
Press 1. ACTIVITY.
Press 2.   and  to highlight an input.
Press 3. ENTER to switch to the input.
Watching Broadcast TV
TV Connected to an Antenna, Direct Cable, Cable 
Box, Set-Top Box, or Satellite Receiver
Press 1. ACTIVITY.
Press 2.   and  to select a broadcast source.  If 
you named devices during Auto Input Sensing, 
select an input from the Watch TV group.  Note:  
Your TV may have only one group (Watch TV).
Note:  For more about the Activity menu, see page 25.
Activity menu, antenna input selected
Tune to a channel on the 3. ANT input using any of 
these methods.
Enter the channel number using the number •	
keys on the remote control and press ENTER.
For a two-part digital channel, such as 3-1, 
press 3 —
CANCEL 1 to enter a dash (separator).
Press •	CHANNEL UP /CHANNEL DN (+/–) to change 
channels one channel at a time.
Press •	 (LAST) to switch back to the previ-
ously tuned channel.
Antenna or Direct Cable Only.•	  Press GUIDE to 
display ChannelView channel listings, highlight 
a channel number, and press ENTER to tune.
Note:  Program information is provided by 
broadcasters and may not be available in all 
areas.
Watching DVDs or Videos
TV Connected to a DVD Player, DVR, or VCR
Press ACTIVITY and select a movie source from the 
Activity menu.  If you named devices during Auto Input 
Sensing, select the input from the Watch Movie group.
Activity menu, DVD input selected
Basic TV Operation  
						

							 1.  Basic Setup and Operation 15
In the U.S. call 1(877) 675-2224 for assistance.
 Making Picture Adjustments
To get the best picture under different viewing con-1. 
ditions, set the Picture Mode before changing other 
video settings.  See page 38 for more.
a. Press MORE.
b.  Press 8 (VIDEO).
c. Press    to make one of these Picture Mode 
selections:
NameWhen to Use
Super 
Brilliant
Under harsh retail lighting; not 
recommended for home use
BrilliantUnder bright light
GameWith gaming consoles
BrightFor most daytime viewing
NaturalFor most nighttime viewing
CinemaFor recreating theater colors
Press 2.   to display the name of the next adjust-
ment you want.
Press 3.    to make the adjustment.
Additional picture adjustments are described on pages 
40 and 41.
 Audio Settings
Changing the Audio Output
To switch audio output from the internal TV speakers to  
a connected external sound system or headphones:
Press 1. MORE.
Press 2. 9 (AUDIO).
Press 3.    until the Speakers option is displayed.  
The Speakers option will display only if a connec-
tion has been detected on one of the TV’s audio 
outputs.
Press 4.  to switch between TV and either AV 
Receiver or Headphones.
Changing Audio Settings
Press 1. MORE.
Press 2. 9 (AUDIO).
Press 3.    to display the name of the adjustment 
you want.
Press4.     to change the setting.
Other TV Features
Activate Audio Lock to control your sound system •	
with the TV’s remote control left in TV mode.  See 
page 65.
To set the TV Clock see •	page 43.  Set the TV 
Clock if you plan to use the TV Timer (page 43) or 
ChannelView (page 26) features.
To set parental controls, see the •	Lock menu, page 
47.
Note:  L75-A91.  To set parental controls for 
VUDU™ service, use the VUDU Info & Settings 
menu.
To change the input names that appear in the •	
Activity menu, see Inputs > Name options, page 
45.
3D Video.•	  See page 29.
To program the remote control to operate other •	
A /V devices, see Appendix A, “Programming the 
Remote Control,” page 64.
To control compatible devices using HDMI CEC •	
control, see Appendix C, “HDMI Control of CEC 
Devices,” page 73.
To view still and moving digital camera images on •	
the TV, see “Camera and Music Files,” page 31.
L75 -A91.•	  To control A /V devices with NetCom-
mand, see chapter 5, “NetCommand IR Control for 
Most Devices” on (page 50).
L75 -A91.•	  See page 34 for internet video streaming 
with VUDU™.
Basic TV Operation, continued
Other Information
TV Care
Remote Control.•	  See “Care of the Remote 
Control” on page 76
General Cleaning.•	  See “Cleaning Recommenda-
tions,” page 76.
Assistance
For basic troubleshooting, see •	Appendix E, page 
77.
For service, and product support, see •	page 4.
For warranty information, see the TV warranty on •	
page 88. 
						

							16 1.  Basic Setup and Operation
In Canada call 1(800) 450-6487 for assistance.
Connecting a Computer to the TV
Use one of the connection methods listed below based 
on your computer’s video output.
Computer 
Video OutputVideo ConnectionAudio
Connection
Digital DVIDVI-to-HDMI cable 
or an HDMI cable 
with an HDMI-to-
DVI adapter
Stereo audio 
cables
Note:  If the computer’s audio output 
is a single mini jack, a mini audio-to-
RCA-male “Y” adapter cable is also 
required.
HDMIHDMI-to-HDMI 
cable
No additional 
audio connec-
tion is required.
I M P O R TA N T
This TV accepts digital computer signals only.
Connect the computer’s digital signal output to one 1. 
of the TV’s HDMI jacks.  See the connection dia-
grams for the method suited to your equipment.
Connect the computer’s audio output using one of 2. 
these options:
•	 For	digital	DVI	signals,	connect	analog	left/right	
audio to the TV’s DVI/PC INPUT AUDIO jacks.
•	 For	HDMI	signals,	no	additional	audio	connec-
tion is required.
Power on the TV and computer.  The TV will detect 3. 
the connection and display the New Device Found 
screen.
In the 4. New Device Found screen, press    to 
highlight PC in the list of device types.  It is impor-
tant to use the name PC so that the TV processes 
the computer signal correctly.
Press 5. BACK to close the New Device Found screen.
1 23 4
HDMI
AVR AUDIO OUTPUT
DIGITAL
AUDIO
OUTPUT
RS-232C
3D
GLASSES EMITTER
ANT
INPUT 2INPUT 1
DVI/PC L
R L
R
INPUT
IR-NetCommand   
Output/External
Controller Input
P b Pr
L
RY/ VIDE O
Computer with 
HDMI output TV  
panel
An HDMI-to-HDMI connection carries all video and 
audio on a single cable.
1 23 4
HDMI
AVR AUDIO OUTPUT
DIGITAL
AUDIO
OUTPUT
RS-232C
3D
GLASSES EMITTER
ANT
INPUT 2INPUT 1
DVI/PC L
R L
R
INPUT
IR-NetCommand   
Output/External
Controller Input
P b Pr
L
RY/ VIDE O
DVI/PC
L
R INPUT
DVI/PC
L
R INPUT
DVI 
OUT
AUDIO R
L
Computer with 
DVI and analog 
stereo outputs TV
A DVI connection from a personal computer requires a 
separate audio connection.
Note: 
If your computer provides digital audio out-
put (coaxial or optical), you can connect it 
directly to a digital A/V receiver and bypass 
the TV.
Using the TV with a Personal Computer       
						

							 1.  Basic Setup and Operation 17
In the U.S. call 1(877) 675-2224 for assistance.
Tip
Set the computer’s screen saver to display a pattern 
after several minutes of inactivity.  This acts as a 
reminder that the TV is powered on.
Computer Video Adjustments
Power on the computer.1. 
Select 2. PC from the Activity menu.  To do this, 
press ACTIVITY to open the Activity menu, move the 
highlight to the PC icon, and press ENTER.
Working from the computer, change the resolution 3. 
of the computer image.  View the computer image 
on the TV and maximize the computer resolution 
while maintaining a suitable aspect ratio for the 
image.
Perform TV video adjustments.  4. Press 
MORE then press 8 (VIDEO).  Use  
 to cycle through video-adjustment 
options.
Press 5. MORE then press 0 (FORMAT) 
repeatedly to find the picture format 
(aspect ratio) best suited to the image.  
See the chart on this page showing 
how different computer resolutions 
can be displayed on the TV.
Image Resolution
Your Mitsubishi TV can display the resolu-
tions shown in the chart from standard 
VGA (640 x 480) through 1920 x 1080 
signals at a refresh rate of 60 Hz.
In most cases, the computer will select 
the best resolution match to display on 
the TV.  You can override this setting if you 
wish.  Refer to your computer operating 
system’s instructions for information on 
changing the screen resolution.
You may need to restart the computer for 
changes to take effect.
Using the TV with a Personal Computer, continued
Distortion in Computer Images
Computer images may show distortion 
when viewed on the TV, e.g., lines that 
should be straight may appear slightly 
curved.
Computer Display Formats
Press MORE then press 0 (FORMAT) repeatedly to cycle through the 
TV displays available for your computer’s video signal.
Computer SignalAs Displayed on TV Screen
Original Format4 X 3
Standard
16 X 9
StandardZoom
VGA
640 X 480
SVGA
800 X 600
Original FormatStandardZoom
XGA
1024 X 768
PC 720p
1280 X 720
W XGA
1360 X 768
SXGA
1280 X 1024
Original FormatStandardReduce
PC 1080p
1920 X 1080 
						

							18
In Canada call 1(800) 450-6487 for assistance.
2
TV Connections
Auto Input Sensing
The TV’s Auto Input Sensing feature automatically rec-
ognizes most connections and prompts you to identify 
the type of device connected.  See page 13 for more on 
Auto Input Sensing.
Connection Types
Use the connection types available on your input 
devices that will give the best video quality.  For 
example, choose HDMI over component video, and 
choose component video over composite video.
Picture Quality
For best picture quality, route signals directly from the 
input device to the TV whenever possible.
Surround Sound
For best surround sound audio quality, route audio-
signal cables or HDMI cables from the source device 
directly to your A /V receiver or sound system.
I M P O R TA N T
Accessory items such as cables, adapters, 
splitters, or combiners required for TV 
connections are not supplied with the TV.  
These items are available at most electronics 
stores.
Before You Begin
Cable Management
1
2
Install the cable tie  
(supplied) in one of 
the mounting holes 
on the back.
Lock the cable tie in place 
by pushing the end into 
the mounting hole.
To remove the cable tie, 
squeeze the side tabs and 
pull out.
Sample cable routing.  Secure 
the cable bundle with the 
release tab facing out.
Press the release tab to 
loosen the cable tie.