Mitsubishi Electronics 838, 738 manual For assistance call 1800, Common Picture Problems

Appendices33

Common Picture Problems

Picture does not look like a high-defi- nition picture.

TV has sound but no picture.

Picture has become dimmer.

A color program appears as a black and white image, or the colors are dim, or the screen is black.

Picture from an HDMI input is noisy (poor quality).

Home Network

Compare the picture to the TV'stest 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.

•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 to the correct input jacks.

Press and hold the POWERbutton 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.

•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'sgreen Y/ViDEO jack.

=838 Series. The PerfectColor color balance has been incorrectly set. Reset the PerfectColor balance.

Compare the picture to the TV'stest 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.

. 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.

Go to the Setup > Network menu. Obtain the TV MAC address and 3rovide 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