Toshiba 65H85C, 51H85C, 57H85C Troubleshooting, Antenna, Black box appears on the screen

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Appendix

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.
	¥	Make sure the SPEAKERS function in the AUDIO menu is set
		properly.
	¥	Make sure ÒSTEREOÓ is selected (page 54).

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	¥	Make sure 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, HDMI) and/or Channels 3 and 4.

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Contents Projection Television IndexSafety Precautions Dear CustomerImportant Safety Instructions InstallationService CareImportant Safety Precautions for Split Cabinet Feature Important Safety Information Introduction Introduction Connecting YourTV Control Welcome to ToshibaExploring your new TV Connecting your TV Connecting your TVConnecting a VCR Connecting a cable converter boxConnecting a cable converter box and VCR If you have a VCR with S-video, use anConnecting a DVD player or satellite receiver and a VCR From Antenna Stereo VCR From DTV Antenna Connecting two VCRs Connecting a camcorderConnecting an Hdmitm or a DVI device to the Hdmi input ¥ one Hdmi cable type a connectorIntroduction ¥ one pair of standard analog audio cablesConnecting an audio system Preparing the remote control for use Installing the remote control batteriesRemote control effective range If you have a Toshiba deviceRemote control codes Using the remote controlFor future reference, write down the codes you used Remote control codes 100 Remote Control function key chart CLEAR/EXITLearning about the remote control Using remoteAdjusts the volume level CH RTN returns to the memorized channelConnecting YourTV Usingthe Remotecontrol Settingup UsingtheTVÕs Features AppendixLearning about the menu system Setting up your TV Changing the on-screen display languageSelecting the antenna input Press y or z to highlight your desired languageConnecting YourTV Control Using Remote Settingup YourTV TVÕsUsingthe Features Adding channels to the TVÕs memoryChanging channels Adding and erasing channels manuallyAdjusting the color convergence Introduction Connecting your TVUsingthe Remotecontrol Manually adjusting the color convergenceTo reset your adjustments Up TVAdjusting the channel settings Switching between two channels using Channel ReturnSwitching between two channels using SurfLockª Programming your favorite channelsPress y or z to highlight Favorite CHPress Enter to display the Favorite CH menu Introduction Connecting YourTV Usingthe Remotecontrol Settingup yourTVLabeling channels ClearSelecting the picture size Natural picture sizeIntroduction Connecting YourTV Setting yourUsingtheTVÕs Features Scrolling the TheaterWide¨ picture TheaterWide 2 and 3 only Using the Auto Aspect feature Usingthe controlSettingup YourTV UsingtheTVÕs Features Appendix Index EnterUsing the POP double-window feature POP window using the VCRÕs channel keysPress Split to display the POP window Window Video 1, Video 2, Video 3, ColorStream HD1Switching the main and POP pictures Switching the speaker sound of main and POP programsUsingthe Remotecontrol Settingup YourTV TheTVÕs UsingUsing the programmed channel search function Double-Window aspect ratioUsing the favorite channel search function About the auto favorite featureUsing the Locks menu Using the V-CHIP menuEntering the PIN code If you cannot remember your PIN codeEnable Blocking TV Rating Independent rating system for broadcastersMpaa Rating Independent rating system for movies Mpaa RatingMpaa Unrated TV None RatingConnecting yourTV Locking channelsUnlocking programs temporarily Repeat steps 3 and 4 for other channelsPress y or z to highlight Clear ALL, and then press Enter Locking the video inputs Changing the PIN codeOFF Press Enter New PIN code is now activeAdjusting the picture Selecting the picture modeAdjusting the picture quality Selecting the color temperature Press x or to select the mode you preferSaving your new preferences Using the CableClear¨ DNR feature Resetting picture adjustmentsReset ÒdoneóSelecting the display format for 480p signals only Selecting the cinema modePress y or z to select FilmSelecting the video input source That input sourceTo highlight Custom Menu To exit the menu, press ExitUsing the closed caption feature Press y or z to highlight Caption or TEXT, and then pressSetting the on timer Setting the sleep timerTo set the clock Press y or z to highlight Clock SET, and then press EnterPress Enter to start the clock To display the time on-screen Press RecallAdjusting the sound Muting the soundSelecting stereo/SAP broadcasts Using the WOWª surround sound feature Adjusting the sound qualityPress y or z to adjust the item, then press Enter Audio Settings menu appearsResetting your audio adjustments Using the StableSound¨ featureTo turn off the StableSound feature Select OFF in above Turning off the built-in speakers Selecting the Audio OUT soundTo turn on the built-in speakers Select on in above Press y or z to select Main or POP, and then press EnterUnderstanding the auto power off feature Understanding the last mode memory featureSelecting the background of the menu display Displaying on-screen informationSpecifications AppendixTroubleshooting AntennaBlack box appears on the screen T2, T3, or T4. Turn closed captioning OFFLimited Canada Warranty Index Page Manufactured by