Mitsubishi L75–A81, L75–A91 Television Owners Guide

 Appendices 79
In the U.S. call 1(877) 675-2224 for assistance.
Appendix E:  Troubleshooting, continued
General TV Operation
SymptomRemarks
 1.A fan is running even while the TV is powered 
of f.
The room is too warm.  When the TV is off, internal components 
continue to draw power and must be cooled by the fan.
 2.The TV remote control does not work.Check that the batteries are fresh and installed correctly.•	
Check that the control mode on the remote is set to TV.•	
Be no more than 20 feet from the TV...

80 Appendices
In Canada call 1(800) 450-6487 for assistance.
Appendix E:  Troubleshooting, continued
TV Power On/Off
SymptomRemarks
 1.TV takes an excessively long time to power 
on.
When powered on, the TV needs time to boot up, just as a com-
puter does.
 2.You cannot program the TV to turn on auto-
matically (Timer function)
The TV may be locked.•	
The clock may not be set.•	
 3.TV turned itself off and the light on the front 
panel started to blink.
Momentary power fluctuation caused the TV to turn...

 Appendices 81
In the U.S. call 1(877) 675-2224 for assistance.
Appendix E:  Troubleshooting, continued
Picture
SymptomRemarks
 1.Picture does not look like a high-definition 
picture.
Not all signals are high-definition signals.  To receive high-defini-
tion programming from your cable or satellite provider, you must 
subscribe to the provider’s high-definition service.   Some over-
the-air broadcasts are in high-definition and can be received with 
a high-quality antenna suited to your location.
 2.TV...

82 Appendices
In Canada call 1(800) 450-6487 for assistance.
Appendix E:  Troubleshooting, continued
Sound 
SymptomRemarks
 2.The sound does not match the screen 
picture.
The TV’s “Listen to:” setting may be set to SAP (analog program from 
the ANT input).
 3.The sound from my A /V receiver does 
not match the screen picture (I should 
hear the correct audio from my A /V 
receiver).
Check that DIGITAL AUDIO OUTPUT and/or AVR AUDIO •	
OUTPUT on TV’s main panel is connected to the A /V receiver.
Without...

 Appendices 83
In the U.S. call 1(877) 675-2224 for assistance.
Appendix E:  Troubleshooting, continued
NetCommand IR Control (L75-A91)
SymptomRemarks
 3.The A /V receiver is the selected audio source 
but there is no sound.
A /V Receiver Set Up for Audio-Only Switching•	
Check to see if the A /V Receiver power is turned on. -
With A /V receiver power turned on, redisplay the Activ- -
ity menu and press ENTER to allow NetCommand to 
correctly select the A /V Receiver input.
Incorrect setup in the Inputs...

84 Trademark and License Information
In Canada call 1(800) 450-6487 for assistance.
LICENSOR’S SUPPLIERS DO NOT MAKE OR PASS ON TO END USER OR ANY OTHER THIRD PARTY, ANY 
EXPRESS, IMPLIED OR STATUTORY WARRANTY OR REPRESENTATION ON BEHALF OF SUCH SUPPLIERS, 
INCLUDING, BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, TITLE, MERCHANTABIL-
ITY OR FITNESS FOR A PARTICULAR PURPOSE.
Digital Light Processing® and DLP® are registered trademarks of Texas Instruments.
Manufactured under license from...

 Trademark and License Information 85
In the U.S. call 1(877) 675-2224 for assistance.
Mitsubishi TV Software
END-USER LICENSE AGREEMENT FOR EMBEDDED SOFTWARE
IMPORTANT – READ CAREFULLY: This License Agreement is a legal agreement between you (either an individual or an entity) and 
Mitsubishi Digital Electronics America, Inc. (MDEA) for all software pre installed and/or provided along with this television (“Software”).  By 
utilizing this television and Software, you agree to be bound by the terms of...

86 Trademark and License Information
In Canada call 1(800) 450-6487 for assistance.
GNU General Public License
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.     675 Mass Ave, Cambridge, MA 02139, USAEveryone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
PreambleThe licenses for most software are designed to take away your freedom to share and change it.  By contrast, the GNU General Public License is intended...

 Trademark and License Information 87
In the U.S. call 1(877) 675-2224 for assistance.
3.  You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following:
a)  Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or,
b)...

88 Warranty
In Canada call 1(800) 450-6487 for assistance.
Mitsubishi LASERVUE® Television Limited Warranty (U.S.A. only)
MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC. (“MDEA”) warrants as follows to the original purchaser of this 
television from an authorized MITSUBISHI Audio/Video Dealer, should it prove defective by reason of against defects 
arising from improper workmanship and/or material:
a. Parts.  All parts (except any software incorporated into this television and Lenticular screen surface) are...