Mitsubishi Electric WD-65738 Basic Owner's Manual page 33

Appendix C: Troubleshooting, continued
Common Picture Problems
Symptom
1. Picture does not look like a high-defi-
nition picture.
2.
TV has sound but no picture.
3.
Picture has become dimmer.
4. A color program appears as a black
and white image, or the colors are
dim, or the screen is black.
5. Picture from an HDMI input is noisy
(poor quality).
Home Network
Symptom
1. I cannot connect the TV to the
network.
2. I plugged in a wireless USB adapter,
but the wireless connection is not
working.
3. The INTERNET key only goes to
VUDU.
Remarks
Compare the picture to the TV's test picture (Picture > Picture+ >
Test Picture) to check if the source signal is supplying a lesser-quality
image.
Not all signals are high-definition signals. To receive high-definition
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.
MENU on the remote control. If the menu displays, then there
• Press
is a problem with the incoming signal.
• Check that all video inputs are plugged in firmly to the correct input
jacks.
POWER button on the control panel for ten
• Press and hold the
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.
• If using component video, check that the red, green, and blue input
cables are correctly connected to the red, green, and blue compo-
nent video jacks.
• If using composite video, check that the incoming cable is con-
nected the TV's green Y/VIDEO jack.
• 838 Series. The PerfectColor color balance has been incorrectly
set. Reset the PerfectColor balance.
• C ompare the picture to the TV's test picture (Picture > Picture+ >
Test Picture) to check if the noise is internal or external to the TV.
• Upgrade a Category 1 (unmarked) HDMI cable to a newer type of
high-speed HDMI cable.
Remarks
Go to the Setup > Network menu. Obtain the TV MAC address and
provide it to the router.
The network may be locked. Go to Setup > Network. Highlight the
network name and supply the pass code.
Normal operation. The TV receives all internet services through VUDU.
The TV does not provide full internet access as does a web browser on
a computer.
For assistance call 1(800) 332-2119
Appendices
33