Mitsubishi Electronics 838 manual Common Picture Problems, Symptom Remarks, Home Network

Page 33

Appendices33

Appendix C: Troubleshooting, continued

Common Picture Problems

Symptom

Remarks

 

 

1.Picture does not look like a high-defi- Compare the picture to the TV’s test picture (Picture > Picture+ >

 

nition 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.

 

 

 

 

 

 

2.

TV has sound but no picture.

 

•

Press MENU on 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 POWER button on the control panel for ten

 

 

 

 

seconds to perform System Reset.

 

 

 

 

 

 

3.

Picture has become dimmer.

 

•

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. A color program appears as a black

 

• If using component video, check that the red, green, and blue input

 

and white image, or the colors are

 

 

cables are correctly connected to the red, green, and blue compo-

 

dim, or the screen is black.

 

 

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.

 

 

 

 

 

5. Picture from an HDMI input is noisy

 

• Compare the picture to the TV’s test picture (Picture > Picture+ >

 

(poor quality).

 

 

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.

 

 

 

 

 

 

Home Network

 

 

 

 

 

Symptom

 

Remarks

 

 

 

 

 

 

 

 

 

1.

I cannot connect the TV to the

 

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

 

 

network.

 

provide it to the router.

 

 

 

 

 

 

2.

I plugged in a wireless USB adapter,

 

The network may be locked. Go to Setup > Network. Highlight the

 

 

but the wireless connection is not

 

network name and supply the pass code.

 

 

working.

 

 

 

 

 

 

 

 

 

3.

The INTERNET key only goes to

 

Normal operation. The TV receives all internet services through VUDU.

 

 

VUDU.

 

The TV does not provide full internet access as does a web browser on

 

 

 

 

a computer.

 

 

 

 

 

 

 

For assistance call 1(800) 332-2119

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Contents Series TV Model Stand Model Stand RequirementContents Outdoor Antenna Grounding Replacement PartsInstalling the Remote Control Batteries Package ContentsFirst-Time Power-On Before You BeginTV CAB/SAT DVD Audio VCR Remote ControlNumber/letter keys FAVSetting Up and Using TV Inputs Status IndicatorUsing the ANT Antenna Input LED Color TV ConditionSetting Up Other Inputs Selecting an Input to Watch Input Selection menuAuto Input Sensing for Most Devices More TV Features Picture SettingsBasic TV Operation Audio ControlsSeries Side Inputs Main Connection PanelConnection Types and Audio/Video Quality Auto Input SensingPb Pr Component Video Device Hdmi DeviceDVI Video Device Composite Video DeviceAntenna Direct cable no cable box Antenna or Cable TV ServiceOlder cable box Connection types provideReceiver Receiver with Hdmi OutputDVD player FAV Favorites Format Key and Picture ShapeChannelView Channel Listings Using Custom Channel BanksPhotos and Moving Video as Composite Video About ChannelView3D Video Initial SetupWatching 3D Video To Watch Regular non-3D VideoEpilepsy 3D Safety RequirementsAuto Setup Connecting the TVSound Projector Positioning the TVWireless Connection Home Network SetupStreamTV Internet Media Ethernet ConnectionWireless Audio Playback Picture Video PicturePicture From the Picture Video menuSound Captions Setup Inputs Lock Appendix a TV Care Lamp-Cartridge Replacement and CleaningLamp To Order a New LampInstalling the New Lamp Cartridge Lamp-Cartridge ReplacementLamp-Cartridge Filter Cleaning Removing the Old Lamp CartridgeGeneral Cleaning Precautions Cleaning RecommendationsTop and Sides of the TV ScreenProgramming the Remote Control Appendix B Programming the Remote ControlVCR DVDTV Reset Comparison Guide Appendix C TroubleshootingService and Customer Support ServiceRead the ON-SCREEN See the Setup Channel EditTions VuduSymptom Remarks Common Picture ProblemsChange Lamp Energy from Standard to Bright Home NetworkMitsubishi TV Software GNU General Public License Version 3, 29 June No WarrantyAdditional Terms Mitsubishi Home-Cinema Television Limited Warranty Network Service Disclaimer Trademark and License Information System Reset
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838 specifications

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