Sharp LC 20B2U operation manual Troubleshooting, Antenna

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TROUBLESHOOTING (Continued)

Antenna

Problem		Check item
	•	The reception may be weak.
	•	The state of the broadcast may also be bad.
The picture is	•	Make sure the antenna is facing the right direction.
not sharp.	•	Make sure the outside antenna is not disconnected.
The picture
moves.
	•	Make sure the antenna is facing the right direction.
The picture is	•	There may be reflected electric waves from mountains or
The picture is		buildings.
doubled or		buildings.
doubled or
tripled.
	•	There may be interference from automobiles, trains, high
The picture is		voltage lines, neon lights, etc.
The picture is	•	There may be interference between the antenna cable and
spotted.		power cable. Try positioning them further apart.
	•	Is the unit receiving interference from other devices?
There are		Transmission antennas of radio broadcasting stations and
stripes on the		transmission antennas of amateur radios and cellular phones
screen or		may also cause interference.
colors fade.	•	Use the unit as far apart as possible from devices that may
		cause possible interference.

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01.7.23, 1:28 PM

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Contents LC-20B2U 20B2UCoverNOMLC-20B2U Important Information A. onlyImportant Safety Precautions Dear Sharp CustomerImportant Safety Precautions Service Equipment Grounding Conductors Contents AC Adapter Size AAA Dry Battery ⋅2 Cable Clamp ⋅2 Supplied AccessoriesAntenna Cable AC Cord Batteries for the Remote Control Using the Remote ControlPreparation Preparation Power ConnectionAntenna Connection Antennas Front and Rear Control Options Menu TV/VIDEO Main PowerMain unit front view Front and Rear Control Options Main unit rear viewListening with Headphones Removing the Back CoverRemote Control Basic OperationTurning on Power Switching TV/VIDEO AV1/AV2/COMPONENT/TV ModesPower Basic OperationSound Volume ON/OFF StandbyChanging channels with CH / on the remote control Changing the ChannelsPress the button Press the 5 button ChannelSelecting Menu Items Selecting Menu ItemsMenu Adjustment Adjusting the Sleep Timer SettingsDirectly setting the Sleep Timer Setting the Sleep Timer on the Menu screenAdjusting the Brightness Settings Directly setting the BrightnessSetting the Brightness on the Menu screen BrightAdjusting the Language Settings ScreenPress / to move the cursor to Press / to enterAdjusting the Video Adjust Settings AdjustmentVideo Adjust Picture TintColor Black LevelAdjusting the Preset Settings PresetABC Press Menu to display the Menu screenSET UP Channel SettingCH-SETTING Saving broadcast TV channels in the memory SET UPSelect Blue Screen Adjusting the Blue Screen SettingsPress / to enter Press / to move the cursor to Blue Screen Adjusting the Closed Caption Settings Setting Closed CaptionAdjusting the V-CHIP Settings ChipMpaa Rating Mpaa Rating examplesTV Parental Guidelines TV Parental Guidelines examplesSetting V-CHIP Mpaa Rating Press / to move the cursorTo V-CHIP BLOCK, and press To enterSetting Mpaa Setting Block ContentTV Guidelines TV GuidelinesPress Menu to register the secret number Activate on to Turn on V-CHIP BlockChannel Select Changing the V-CHIP Block Settings Changing or Clearing the Secret NumberInput the 4-digit secret number by Select Displayed. Set V-CHIP BlockExample of external devices that can be connected Connecting with External DevicesVCR Connecting with External Devices VCRHow to fix the cables Outputting video and audio video outputTroubleshooting Problem Check itemPower outlet Make sure the AC adapter is properly insertedTroubleshooting AntennaSpecifications Items Model LC-20B2UDimensional Drawings Unit inch/mmSharp Electronics Corporation