Toshiba 26HL83 owner manual 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 problem and some solutions.

Problem	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 front panel buttons do not operate	¥	Check the FRONT PANEL LOCK feature.
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, DVI/HDCP) and/or Channels 3 and 4.

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Contents LCD Color Television IntroductionSafety Precautions Dear CustomerImportant Safety Instructions InstallationService CareIntroduction TheaterLink cable Supplied accessoriesWelcome to Toshiba Usingthe Features Introduction Connecting YourTV Usingthe RemoteControlSettingup yourTV Exploring your new TVConnecting your TV Connecting your TVConnecting a VCR Connecting a cable converter boxConnecting a cable converter box and VCR From CableUsingthe RemoteControl Settingup YourTV Connecting a DVD player or satellite receiver and a VCRIntroduction Connecting YourTV From Antenna Stereo VCR Connecting YourTV Connecting two VCRs Connecting a camcorderConnecting a device to the DVI/HDCP DVI/HDCP device For example, set-top box or DVD playerConnecting a device to the TheaterLink Settingup YourTV UsingtheTVÕs Features Appendix Index Connecting an audio systemConnecting YourTV Usingthe RemoteControl Using the Remote Control Preparing the remote control for useInstalling the remote control batteries Remote Control functional key chart CBL/SAT Audio VCR TV/VCR TV/SAT Searching and sampling the code of a device Device code setupIntroduction Connecting YourTV Control Using the volume lock feature Operational feature resetVCR setup codes Device code tableCD Player setup codes Learning about the remote control Setting up your TV Learning about the menu systemPicture mode selection Using the Quick Connect GuideSelect channels using Cable box Cable box output channel selectionPress x or to highlight your desired language Changing the on-screen display languageSelecting the antenna input Press z to select CH Program Adding channels to the TVÕs memoryProgramming channels automatically Adding and erasing channels manually Changing channels using SpeedSurfChanging channels Switching between two channels using SurfLockª Adjusting the channel settingsSwitching between two channels using Channel Return Programming your favorite channelsUsing the TVÕs Features Labeling channels On nextSelecting the picture size Press PIC Size on the remote controlViewing the wide-screen picture formats Press z to highlightAppendix Index Theater Wide 1 picture sizePress x or to display the Scroll Adjustment mode ¥ To raise the picture, press yUsing the auto aspect feature Selecting the cinema modeUsing the POP double-window feature Freezing the POP picture Switching the main and POP picturesAdjusting the size of the double-window Press ExitUsing the programmed channel search function Double-Window with keeping aspect ratioUsing the favorite channel search function About the auto favorite featureEntering the PIN code Using the Locks menuPress y or z to display the PIN code entering mode If you cannot remember your PIN codeUsing the V-CHIP menu TV Rating Independent rating system for broadcastersPress x or to return to the Locks menu UsingMpaa Rating Independent rating system for movies Repeat steps 3 and 4 for other channels Locks menu Locking channelsUnlocking programs temporarily Locking video inputs OFFTo cancel the timer Select OFF in above Using the game timerUsing the front panel lock feature Changing the PIN codeAdjusting the picture quality Adjusting the pictureSelecting the picture mode Saving your new preferences Using CableClearª DNR Digital Noise ReductionSelecting the color temperature Resetting your picture quality adjustments Selecting the video input sourceLabeling the video input sources TheUsingUsingtheTVÕs Features Selecting the background of the menu displayUsing the closed caption feature ¥ To view text, highlight T1, T2, T3, or T4Setting the ON-timer Setting the sleep timerSelecting stereo/SAP broadcasts Adjusting the soundMuting the sound Using Remote Enjoying the Dolby Virtual sound featureConnecting Your Control Enjoying the WOWª surround sound featureAdjusting the sound quality Resetting your audio adjustmentsTo turn off the SBS Highlight OFF in above Using the sub-bass system SBSTurning off the built-in speakers To turn on the built-in speakers Highlight on in aboveUsing the StableSound¨ feature Selecting the Audio OUT sound Selecting the gray level of the side panels Adjusting the back lighting feature Press x or to adjust the screen brightness Understanding the last mode memory feature Viewing the demonstration modeUnderstanding the auto power off feature Displaying on-screen informationSpecifications AppendixBlack box appears on the screen TroubleshootingAntenna T2, T3, or T4. Turn closed captioning OFFLimited United States Warranty Limited Canada Warranty Index Toshiba VISUAL-EQUIPMENT Corporation