Mitsubishi Electronics Television WD-92842 User Manual

 Appendices 41
Cleaning Recommendations
Normally, light dusting with a dry, non-scratching duster 
will keep your TV clean.  If cleaning beyond this is  needed, please use the following guidelines:
First, turn off the TV and unplug the power cord from 
the power outlet.
Occasionally clean dust build-up from the air-intake  grilles on the back and sides of the TV.  Clean using a 
vacuum cleaner with a brush attachment.
Top and Sides of the TV 
•	 Gently wipe down your TV with a soft, non-abrasive 
cloth...

42 Appendices
CAUTION
BURN DANGER!  HOT SURFACES INSIDE!
Touch lamp cartridge handle only.  Do not touch lamp or lamp car-
tridge housing.  Keep lamp cartridge horizontal during removal.  Do  not tilt as glass may come out and cause injury.  Replace lamp car -
tridge only with the same part number 915B455012.
CAUTION:  If the television 
is on, press POWER to turn 
it off.  Unplug the television 
and allow it to cool for at least 
one hour before attempting to 
replace the lamp cartridge.
Lamp
The light...

 Appendices 43
Replacement Procedure
Removing the Old Lamp Cartridge
1. Turn off TV power and unplug the TV.  Allow the 
lamp to cool for at least one hour before proceed -
ing.
2. After the lamp has cooled, remove the cover of the 
lamp compartment, located on the back of the TV.
Refer to figures 1 and 2.  Use a medium Phillips 
screwdriver to loosen the screws securing the 
cover.
Keep the screws and cover for re-installation.
3. With a medium Phillips screwdriver, loosen the 
screw securing the lamp...

44 Appendices
Appendix B:  Troubleshooting
General TV OperationSymptom Remarks
1.  
The TV remote control does not work.•	 Check that the batteries are fresh and installed correctly.
•	 Be no more than 20 feet from the TV when using the remote 
control.
•	 If using an external 3D emitter, try pointing the emitter in a 
different direction or disconnect the emitter.
•	 There may be interference from the TV’s internal IR emitters 
for 3D glasses.  Turn off the emitters in the Picture > 3D 
Mode  menu.
2....

 Appendices 45
Appendix B:  Troubleshooting, continued
General TV Operation
Symptom Remarks
9.   I have turned on CEC for my HDMI devices 
but control is erratic and I wish to disable it.
•	 First turn off the TV’s HDMI control for the specific device.  
Open the Inputs > HDMI Control menu, select the device, 
select Off .
•	 Disable CEC on the device itself.  See the device’s instruc -
tions.
•	 If the problem persists, do the following:
1.  Disconnect the device from the TV.
2.  Open the Inputs > Name...

46 Appendices
Appendix B:  Troubleshooting, continued
TV Power On/Of fSymptom Remarks
1.  
TV takes an excessively long time to power 
on. When powered on, the TV needs time to boot up, just as a 
computer 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 can cause the TV to turn off 
to prevent damage.  Wait for...

 Appendices 47
Appendix B:  Troubleshooting, continued
Sound 
Symptom Remarks
1.   There is no sound even when the 
volume is turned up.
•	 Check	if	the	MUTE key is on.
•	 The	TV’s	analog	
Listen to setting may be set to SAP (analog 
program from the ANT input) but no SAP is being broadcast.
•	 Check	that	the		Sound > Audio > TV Speakers option is set to 
On 
to hear sound from the TV speakers.  Possibly the 
TV Speakers 
option is 
Off.
•	 If	using	an	A /V	receiver,	check	that	the	Sound > Audio > TV...

48 Trademark and License Information
Trademark and License Information
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.
Manufactured under license from Cambridge Mechatronics Ltd.
Rapidfire and the 1... logo are trademarks of Cambridge Mechatronics...

 Trademark and License Information 49
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 Electric Visual Solutions America, Inc. (MEVSA) 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 this License Agreement.
The Software is...

50 Trademark and License Information
Copyright © 2007 Free Software Foundation, Inc. 
Everyone is permitted to copy and distribute verbatim copies of this lic\
ense document, but changing it is not allowed.
Preamble
The GNU General Public License is a free, copyleft license for software and other kinds of works.
The licenses for most software and other practical works are designed to take away your freedom to share and change the works. By contrast, the GNU General Public 
License is intended to...