74
Appendices
Appendices
75
Reset Name
When to Use
How to Use
Resulting Action
System Reset
If the TV does not turn on
or off, does not respond
to the remote control or
control-panel buttons, or
has audio but no video.
Press the
SYSTEM RESET
button on the
control panel.
The TV will turn off and the green LED
will flash quickly for about one minute.
When the green LED stops flashing,
you may turn on the TV. The changes
you made most recently, before using
SYSTEM RESET
, may be lost. Changes
you made previously, however, are
not lost.
TV Reset
IMPORTANT:
Use this reset
only if all other
resets have been
unsuccessful.
To reset all consumer-
accessible settings
and all memories to the
original factory defaults.
CAUTION:
All owner-
performed setups and
adjustments will be
erased.
While viewing the TV, press
1.
MENU
to
display the TV
Main
menu.
With the
2.
Main
menu displayed,
press number keys
1 2 3
to display
the
Reset
menu.
READ THE ON-SCREEN
3.
WARNING AND INSTRUCTIONS.
If you do not wish to use this
•
reset, press
EXIT
or
MENU
to
back out.
If you do wish to use the
•
reset, press
ENTER
to erase all
memories and settings.
The TV will start the initialization
process. The TV will then turn off
and the front green LED will start
flashing. When the LED stops
flashing, you can turn the TV on
again. The Parental Lock Pass code
will remain unaffected, but all other
memories and settings outlined in
this Owner’s Guide will need to be
set again.
Service and Customer Support
Service
If you are unable to correct a problem with your TV,
consult your Mitsubishi dealer or Mitsubishi Con-
sumer Relations at (800) 332-2119.
• DO NOT adjust any controls other than those
described in this Owner’s Guide.
• DO NOT remove the protective back cover of your
TV.
Customer Support
• To order replacement or additional remote
controls, lamp cartridges, or Owner’s Guides,
visit our website at www.mitsuparts.com or call
(800) 553-7278.
• For questions:
Call Consumer Relations at 800-332-2119.
E-mail: [email protected]
Website: www.mitsubishi-tv.com
Important
All lamps replaced under warranty must be returned
to Mitsubishi where they will be inspected for defect
verification.
Appendix D: Troubleshooting, continued
TV Channels
Symptom
Remarks
1.
The TV takes several seconds to respond to
channel changes.
• It is normal for digital channels to take longer to tune in.
• Press ENTER after a entering channel number to avoid delays.
• Use a 4-digit number for an over-the-air digital channel.
• Use a 6-digit number for digital cable channels if your cable service
is able to recognize 6-digit channel numbers.
2.
You cannot access a channel.
• Use number keys instead of CH
/ .
• Be sure the channel you want to view is in memory. See Setup >
Scan on page 42.
• Check that the TV is switched to the correct device or antenna for
that channel by pressing the INPUT key.
• Make sure Channel Lock is off.
• Make sure the Lock > Parent menu lock is set to off.
• If you cannot tune to a virtual digital channel even though the TV has
already memorized digital channels, tune to the physical channel
number used by the broadcaster. The virtual channel will then be
automatically added to memory.
General TV Operation
Symptom
Remarks
1.
A fan is running even while the TV is powered
off.
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 fan gets louder after the TV is shut off.
Normal operation. The fan speeds up to cool the lamp quickly after
the TV has been shut off.
3.
The TV remote control does not work.
Check that the batteries are fresh and installed correctly.
•
Check that the slide switch on the remote is set to TV.
•
Be no more than 20 feet from the TV when using the remote control.
•
Program the remote control to operate the TV or other device.
•
Reset the remote control.
•
If you have a custom home theater controller but prefer to use the
•
TV’s remote control, unplug the controller cable from the TV’s IR-
NetCommand® Output/External Controller Input.
4.
When I try to use the remote control, the
POWER key blinks five times.
Replace the batteries.
5.
TV does not respond to the remote control or
to control-panel buttons and TV will not power
on or off.
Unplug the AC power cord for 10 seconds.
•
Use the System Reset button.
•
6.
When a device is selected from the Input Selec-
tion menu, the screen is purple or black (no
signal source).
• Make sure the selected device is turned on.
• Begin play of the device.
7.
You have forgotten your Lock menu pass code.
See Appendix B, “Bypassing the Parental Lock,” page 63.
8.
Rating restrictions are not working.
Open the Parental Lock menu and:
• Verify that the U.S. Ratings or Other Ratings setting is On.
• Check the Lock Time/Unlock Time to check if rating restrictions
are disabled.
• Rating restrictions apply only to content on ANT 1 and ANT 2, and
VIDEO composite video jacks.
9.
On-screen displays appear each time you
change a function.
Normal TV operation.
10.
A warning message appeared on screen
stating, “TV will shut down in a few seconds.
Please check if the air flow is blocked.”
• Room temperature has exceeded proper levels. Cool the room.
• The TV has overheated. Clear blocked air vents and ensure at
least four inches of clearance on all sides of the TV.
• Clean the air filter on the lamp cartridge See page 80.
Appendix D: Troubleshooting, continued
