Toshiba 34HFX84 owner manual Troubleshooting, Antenna, Black box appears on the screen

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Troubleshooting

Before calling a service technician, please check the following table for a possible cause of the symptom and some solutions.

Symptom	Solution
TV will not turn on	•	Make sure the power cord is plugged in, then press POWER.
	•	The remote control batteries may be dead. Replace the batteries.

No picture, no sound	•	Check the antenna/cable connections.

No sound, picture OK	• The sound may be muted. Press VOLUME.
	•	The station may have broadcast difficulties. Try another channel.
	• Check that the SPEAKERS function in AUDIO menu is set properly.

Poor picture, sound OK	•	Check the antenna connections.
	•	The station may have broadcast difficulties. Try another channel.
	• Adjust the PICTURE menu.

Poor reception of broadcast channels	•	The station may have broadcast difficulties. Try another channel.
	•	Check the antenna connections.
	•	If you are using a VCR, make sure the TV/VCR button is set
		correctly.

Cannot receive above channel 13	•	Make sure the TV/CABLE switch is set to the mode that
		corresponds with the signal source type (cable company or outside
		antenna).

Black box appears on the screen	• The closed caption feature may be set to one of the Text modes (T1,
		T2, T3, or T4). Turn closed captioning OFF.

Unable to select a certain channel	• The channel may be locked out with the CH LOCK feature, or
		erased with the ADD/ERASE feature.

Multiple images	•	The station may have broadcast difficulties. Try another channel.
	•	Antenna reception may be poor. Use a highly directional outdoor
		antenna.

Poor color or no color	•	The station may have broadcast difficulties. Try another channel.
	• Adjust the TINT and/or COLOR in the PICTURE menu.

No stereo or SAP sound from a	•	Make sure the MTS feature is set properly.
known MTS broadcast

The remote control does not operate	•	Check whether the appropriate device mode is selected.
	•	Remove all obstructions between the remote control and the remote
		control sensor in the TV.
	•	The remote control batteries may be dead. Replace the batteries.

Cannot access signal input sources • Check the VIDEO LOCK feature. (Video1, Video2, Video3,

ColorStream HD1/HD2, HDM 1, HDMI 2) and/or Channels 3 and 4.

Introduction


Connecting	yourTV


Usingthe	RemoteControl


Settingup	yourTV


UsingtheTV’s	Features


Appendix


Index

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Contents Color Television Dear Customer Safety PrecautionsInstallation Important Safety InstructionsCare ServiceImportant Safety Information Introduction Exploring your new TV Welcome to ToshibaIntroduction Appendix Index Connecting an antenna or cable TVConnecting a cable converter box Connecting a VCRConnecting your TV You will need Three coaxial cablesUsingtheTV’s Features Connecting a cable converter box and VCRSatellite Receiver Connecting a DVD player or satellite receiver and a VCRFrom Antenna Stereo VCR From DTV Antenna Connecting a camcorder Connecting two VCRsUsing One Hdmi cable type a connector Connecting an Hdmi or a DVI device to the Hdmi inputOne HDMI-to-DVI adapter cable Hdmi type a connector One pair of standard analog audio cablesConnecting an audio system Installing the remote control batteries Preparing the remote control for useUsing the Remote Control Remote Control functional key chart CBL/SAT Audio VCR TV/VCR TV/SAT Introduction Connecting YourTV Usingthe RemoteControl Device code setupSettingup YourTV UsingtheTV’s Features Appendix Index Searching and sampling the code of a deviceOperational feature reset Using the volume lock featureDevice code table VCR setup codesCD Player setup codes Learning about the remote control Learning about the menu system Setting up your TVSelecting the antenna input Changing the on-screen display languageProgramming channels automatically Adding channels to the TV’s memoryTo program channels automatically Press Enter Press z to select CH ProgramConnecting yourTV Adjusting the tilt correction featureChanging channels Adding and erasing channels manuallyUsing the TV’s Features Adjusting the channel settingsSwitching between two channels using Channel Return Switching between two channels using SurfLockSettingup yourTV Connecting Your Usingthe RemoteControlPress Enter Repeat steps 4 and 5 for other channels Press y or z to highlightClear Labeling channelsPress Enter to erase the channel label Selecting the picture size Usingthe FeaturesTheater Wide 1 picture size For 43 format program To raise the picture, press y Press Enter to display the Scroll Adjustment modeTo lower the picture, press z Press y or z to highlight Auto ASPECT, and then press Using the Auto Aspect featurePress y or z to select ON, and then press Enter Settingup YourTV UsingtheTV’s Features Appendix Using the POP double-window featureSwitching the speaker audio main or POP Switching the main and POP picturesDouble-Window aspect ratio Using the programmed channel search functionAbout the auto favorite feature Using the favorite channel search functionUsing the V-CHIP menu Using the Locks menuEntering the PIN code If you cannot remember your PIN codeOFF To release your setting Unlock Enable BlockingTV Rating Independent rating system for broadcasters Press z or y to select an itemMpaa Rating Independent rating system for movies Connecting YourTV Usingthe RemoteControl SettingupMpaa Rating Unlocking programs temporarily Locking channelsPress Enter Repeat steps 2 and 3 for other channelsPress y or z to highlight Clear ALL, and then press Enter Changing the PIN code Locking the video inputsOFF Press Enter New PIN code is now activeIntroduction Connecting YourTV Adjusting the pictureUsingthe RemoteControl Setting Your UsingtheTV’s Features Appendix IndexPicture Settings menu appears Selecting the color temperaturePress x or to select the mode you prefer Saving your new preferencesSelecting the Scan Velocity Modulation SVM Using the CableClear DNR featureSelecting the display format for 480p signals only Resetting picture adjustmentsSelecting the cinema mode ResetSelecting the video input source Press y or z to highlight Caption or TEXT, and then press Using the closed caption featureTo view text, highlight T1, T2, T3, or T4 Setting the sleep timer Setting the on timerPress Enter to start the clock Setting the clockTo display the time on-screen Press Recall Usingthe Remote Settingup YourTV Adjusting the soundMuting the sound Selecting stereo/SAP broadcastsEnjoying the Dolby Virtual sound feature Adjusting the sound quality Using the WOW surround sound featurePress y or z to adjust the item, then press Enter Audio Settings menu appearsUsing the StableSound feature Resetting your audio adjustmentsTo turn off the StableSound feature Select OFF in above CenterTurning off the built-in speakers Connecting Your ControlSelecting the Audio OUT sound Using the Cyclone sub-woofer system Understanding the last mode memory feature Understanding the auto power off featureSelecting the background of the menu display Displaying on-screen informationAppendix SpecificationsAntenna TroubleshootingBlack box appears on the screen T2, T3, or T4. Turn closed captioning OFFLimited United States Warranty Limited Canada Warranty Index Page Page Page Manufactured by