Mitsumi electronic 738 Series manual TV Power On/Off Symptom Remarks, Picture Symptom Remarks

Page 93

Appendices

93

Appendix E: Troubleshooting, continued

TV Power On/Off

 

Symptom

Remarks

 

 

 

 

 

1.

TV takes an excessively long time to power

When powered on, the TV needs time to boot up, just as a com-

 

on.

puter does.

 

 

 

 

 

2.

You cannot program the TV to turn on auto-

• The TV may be locked.

 

matically (Timer function)

• The clock may not be set.

3.

TV turned itself off and the light on the front

• Momentary power fluctuation can cause the TV to turn off

 

panel started to flash.

 

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

 

 

 

 

protection circuit. Wait for the light to stop flashing and turn TV

 

 

 

 

on.

 

 

 

 

 

4.

TV will not power off.

Press the POWER button on the control panel for ten seconds to

 

 

 

perform System Reset.

 

 

 

 

 

 

 

 

 

 

 

 

Picture

 

 

 

 

Symptom

 

Remarks

 

 

 

 

 

 

1.

Picture does not look like a high-definition

 

Compare the picture to the TV’s test picture (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-defini-

 

 

 

 

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 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.

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.

 

 

 

 

 

 

 

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Contents Series TV Model Stand Model Stand RequirementContents Lamp Replacement Installation and Operating NotesInternal Fans Children and TV ViewingOutdoor Antenna Grounding Replacement PartsSpecial Features of Your TV Installing the Remote Control Batteries Package ContentsFirst-Time Power-On Before You BeginTV Tips TV Controls Remote ControlTools Tools Key and MenuPicture ToolsSystem Reset Status IndicatorTV Control Panel Panel-Lock ReleaseUsing the ANT Antenna Input Setting Up TV InputsSetting Up Inputs with Auto Input Sensing Memorizing Channels with Channel Scan For the ANT inputAbout Auto Input Sensing When You First Connect a DeviceAuto Input Sensing for Most Devices Tips on Auto SensingBasic TV Operation CancelSelecting an Input to Watch Watching Broadcast TVBasic Audio Controls Picture SettingsTV Care AssistanceFeature More TV FeaturesFormat Key and Picture Shape Input Selection menu Inputs Name menuConnecting a Computer to the TV Hdmi ConnectionDVI Video Connection Computer Video Adjustments Using the TV with a Personal ComputerImage Resolution Distortion in Computer ImagesAuto Input Sensing Connection Types and Audio/Video QualityConnection Types Picture QualityInputs and Outputs Main Connection PanelSide Inputs 2a. USB limited use Hdmi Inputs High-Definition Multimedia Interface2b. USB 838 Series LANHdmi Device IR-NetCommand Output9a. Audio Output 9b. AUDIO/SURROUND OutputPb Pr Component Video Device DVI Video DeviceSatellite VCR or DVD Recorder to an Antenna or Wall Outlet Cable Antenna or Cable TV ServiceComposite Video Device VCR or other device with composite video outputReceiver Receiver with Hdmi OutputDVD player Supplemental Audio Connections Wireless SubwooferAdding a Subwoofer Subwoofer with Audio CableRCA/RCA Using the TV Speakers as a Center ChannelOutput Go to Sound Global and set Center Channel to OnSetting the Sleep Timer Sleep TimerViewing or Changing the Sleep Timer FAV Favorite ChannelsUsing Custom Channel Banks Using ChannelView ListingsChannelView Channel Listings About ChannelViewSignal Definitions Status DisplayAbout Channel Numbers Using an External Sound System Controlling A/V Receiver Sound VolumeRedirecting Audio Output Format Definitions Picture Shape and Display FormatsEffect of Mitsubishi Formats on Picture Types DVD Image Definitions3D Video Initial SetupWatching 3D Video To Watch Regular non-3D VideoEpilepsy 3D Safety RequirementsCamera Images and Music Files USB Source Devices 838 SeriesUSB Media Player Menu USB Media Setup Menu Using the Photos and Audio MenusKey For Photos or Audio Tracks Slideshow + Music --Slideshow only Music onlyPhotos and Motion Video as Composite Video Using an Audio-Only DeviceOptional Audio Cable Plug in firstPairing the TV with an Audio Playback Device Wireless Audio PlaybackResetting Bluetooth Pairing or Connection Tips for Wireless PlaybackSound Projector 838 Series Basic Manual SetupSound Projector Technology Before You BeginAdjusting Levels Adjusting Beam AnglesAdjusting an External Subwoofer How to Make Adjustments in the Custom MenuMicrophone Placement Auto SetupStart Auto Setup Initial PreparationSet Sound Global Analog Audio Out to Rear External Rear SpeakersHome Network Setup StreamTV Internet MediaEthernet Connection Wireless Connection Key Use for@ # $ % * + = . space ? Troubleshooting Using StreamTV Internet MediaUsing Vudu Apps and Vudu Movies Getting Started with Vudu MoviesIntroduction to Home-Theater Control Source device connected directly to the TVPicture Main MenuPicture Picture+ Using PerfectColor Picture ResetUsing PerfecTint Picture PerfectPicture Mode Sound Sound AudioSAP Sound Global Sound Auto SPSound SoundPro Captions Setup Language SetupSetup Clock Setup TimerAdding/Deleting Channels Using the Channel Edit Menu Setup ChannelSetup Energy Setup NetworkEthernet Connection Dhcp automatic, Manual Connection Data Inputs Name InputsInputs Inputs ControlInputs Demo Inputs OrderLock TV-Y Lock ParentalLock Channel Lock TimeLock Panel Lock OtherImportant Note on NetCommand About NetCommand IR ControlPlacement IR EmittersIf You are Unable to Locate a Device’s IR Sensor NetCommand Setup Initial NetCommand SetupNetCommand and Device-Specific Keys Special Operation Description and Setup How to Use Adding or Removing Device Keys from NetCommand ControlControlling Most Device Types Special Operation MethodsOperating NetCommand-Controlled Devices Digits InfoControlling A/V Receiver Power Switching Audio to and from the A/V ReceiverControlling Other A/V Receiver Functions With Any Connection TypePower and Volume Setting Up A/V Receiver ControlSetup to Control A/V Receiver Power and Volume Before You BeginMore About Using an Hdmi Connection Automatic Audio/Video Switching Over an Hdmi ConnectionBefore You Begin Open the Inputs Learn menu Appendices Page Functions Available for Other A/V Devices Appendix a Programming the Remote ControlProgramming the Remote Control Audio Lock Universal A/V Receiver ControlCode Verification Audio Accessories Video AccessoriesAudio Amplifiers VCRs Satellite ReceiversAppendices79 Blu-ray and HD-DVD TAGBypassing the Parental Lock Mitsubishi Home Theater TVThis page intentionally left blank Enabling Hdmi Control of CEC Devices Appendix C Hdmi Control of CEC DevicesHdmi cable cannot support CEC Action Device does not have CEC compatibility ActionHdmi Control of an Hdmi A/V Receiver and Connected Devices Enable Hdmi Control for the A/V receiver asResolving CEC Conflicts Using Hdmi ControlAppendix D TV Care Lamp-Cartridge ReplacementLamp To Order a New LampInstalling the New Lamp Cartridge Replacement ProcedureRemoving the Old Lamp Cartridge Disposal of the Old Lamp CartridgeCare of the Remote Control Cleaning RecommendationsTV Reset Comparison Guide Appendix E TroubleshootingService Picture Advanced menuIf the New Device Channel Edit menu instrucNew Device Found screen Inputs Name menu seeVudu General TV Operation Symptom RemarksTV Channels Symptom Remarks TV Power On/Off Symptom Remarks Picture Symptom RemarksChange Lamp Energy from Standard to Bright Check that Digital Audio Output and/or AUDIO/SURROUND Sound Symptom RemarksHome Network Symptom Remarks NetCommand IR Control NetCommand-equipped models onlySymptom Remarks Trademark and License Information Trademark and License InformationMitsubishi TV Software GNU General Public License Conveying Verbatim Copies Acceptance Not Required for Having Copies GNU General Public License No Warranty Mitsubishi Home-Cinema Television Limited Warranty Warranty Index Index Page System Reset MDEAservice@mdea.com
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738 Series, 838 Series specifications

Mitsumi Electric, a prominent player in the electronic components industry, has made significant strides with its 738 and 838 Series. These series are well-regarded for their integration of advanced technologies and innovative features, catering to a diverse range of electronic applications.

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