Appendix C: Troubleshooting - Mitsubishi Electric DLP C12 Series Basic Owner's Manual

Appendix C: Troubleshooting

TV Re set Comparison Guide
You can resolve many common TV problems using the
reset functions described in the following table.
IMPORTANT
Before you change sound or picture settings: If
picture or sound settings seem wrong for a broadcast
channel (a channel from the ANT input, a cable box, or
satellite receiver), first check other channels from the
same input before changing settings. If most other
Reset Name When to Use
Format If the picture shape
seems incorrect, use
the FORMAT key to
change the picture
shape.
A/V Memory When audio and/
Reset or video settings for
(for the single a single input seem
current input) incorrect, use A/V
Memory Reset to
return the input to
the original factory
settings.
A/V Reset To reset audio and
(for all inputs) video adjustments for
all inputs to the original
factory settings.
Channel To erase and re-mem-
Memorization orize channels on the
ANT input.
Lock Menu To change your Lock
Pass Code menu pass code
Control-Panel To re-enable the
Lock Release control-panel buttons
after activation of the
Control-Panel Lock
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.
channels from the same input seem correct, there is
likely a problem with the broadcast rather than with the
TV. Use care in this case, as changes you make to fix
problems on individual channels also affect all other
channels on the same input.
Additional troubleshooting tips are in the supplemen-
tal Owner's Guide at www.mitsubishi-tv.com.
How to Use
Press FORMAT to cycle through the
picture shapes available for the
signal.
1. While viewing the input to reset,
press MENU and go to Picture >
Reset.
2. Press to highlight Reset.
3. Press ENTER again to reset.
While viewing the TV, press the
control-panel buttons INPUT and
VOLUME DOWN at the same time for at
least two seconds.
1. Press MENU and go to Setup >
Channel.
2. Highlight the reception mode,
e.g. Ant Air, and press ENTER.
3. Highlight All Channels and
press ENTER.
4. Highlight Scan.
5. Press ENTER to start channel
memorization.
Press the 9 and LAST keys simultaneously to temporarily unlock the TV. See
the supplemental Owner's Guide at www.mitsubishi-tv.com for more.
Press and hold the INPUT button on
the control panel for ten seconds. If
the TV is powered off, you can now
press the POWER button to turn it on.
Press and hold the POWER button on
the control panel for ten seconds.
For assistance call 1(800) 332-2119
Appendices
Resulting Action
The last-used format for the
signal type will be recalled on the
input.
Note: Also check the aspect
ratio feature on your cable box or
satellite receiver as this may be
altering the picture.
Most Audio and Video settings
for the individual input are reset
except for the global settings
for audio Balance, Listen To,
Language,Advanced.
Most Audio and Video settings
are returned to the original
factory settings, including global
settings not affected by Picture
> Reset.
All previously memorized chan-
nels for the antenna input are
erased and a new set of memo-
rized channels is created. All
channel information in the FAV
menu and Channel Lock is
deleted. To add or delete indi-
vidual channels, use the Setup >
Channel > Edit menu.
Allows the control panel to be
unlocked if the remote control is
misplaced.
The TV will turn off. The green
LED will flash quickly for about
one minute. The changes you
made most recently, before using
SYSTEM RESET, may be lost.
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