Mitsubishi Electric 3D DLP 742 series Owner's Manual page 46

46 Appendices
Appendix B: Troubleshooting, continued
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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 the green light to stop flashing
and turn the TV on again.
If the TV does not stay on, press the POWER button on the
control panel for ten seconds to perform System Reset. If
this happens frequently, obtain an AC line power condi-
tioner/surge protector.
An unusual digital signal may have been received, triggering a pro-
4. TV will not power off. Press the POWER key on the control panel for ten seconds to
perform System Reset.
Picture
Symptom Remarks
1. Picture does not look like a high-definition Not all signals are high-definition signals. To receive high-defini-
picture, 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 has sound but no picture. * Press MENUon the remote control. If the menu displays,
then there is a problem with the incoming signal.
• Check that all video inputs are plugged in firmly.
• Press and hold the POWER button on the control panel for ten
seconds to perform System Reset.
• The lamp is nearing the end of its life. Order a new lamp.
• Adjust picture brightness and contrast to maximum levels.
• Change Lamp Energy from Standard to Bright.
4. You cannot view a picture when playing a Check your VCR's owner's guide for further troubleshooting.
........................................ VHS tape: ..........................................................................................................................................................................................................
5. VCR or DVD player's on-screen menus jitter Stop playback. Possible cause: Many VCRs and DVD players
up and down. provide on-screen menus at only half-resolution that may
appear to jitter up and down.
6. When viewing a stopped VCR, white lines • Turn off video mute for the VCR.
are rolling on the screen. , Begin playing the tape.
.......................................... • Change the VCR input from Line 1 to the VCR antenna input.
7. A color program appears as a black and 842 Series. The PerfectColor color balance has been incor-
white image, or the colors are dim, or the rectly set. Reset the PerfectColor balance.
screen is black.
Upgrade a standaid (unmarked) HDMI cable to a high-speed i
quality). HDMI cable.
9. The image from a computer appears dis- * Normal TV operation. The TV does not correct distortion in
totted when viewed on the TV. the picture from a computer because the correction process
may cut off the edges of the image.
, The aspect ratio may be wrong for the image. Press FORMAT
to change.
For assistance call 1(800} 332-2119