Sharp LC-20B2UA operation manual Troubleshooting, Problem Check item, Power outlet

Page 39

TROUBLESHOOTING

■Before calling for repair service, check the following items for possible remedies to the encountered symptoms.

TV set

 

Problem

 

Check item

Reference

 

 

Pages

 

 

 

 

 

 

 

 

•

Make sure the AC adapter is properly inserted in the

9

 

Picture

 

 

power outlet.

 

Sound

There is no

•

Reception other than those of broadcasting stations

 

 

 

 

 

 

picture or

 

can be considered.

15

 

 

sound.

•

Make sure the input mode is set to TV.

 

 

 

•

Make sure the main power switch of the main unit is

15

 

 

 

 

on.

 

 

 

There is no

•

Make sure the BLACK LEVEL is properly adjusted.

22, 23

 

Picture

•

Fluorescent lamp may have reached the end of

–

 

picture.

 

 

 

service life.

 

 

 

There is no

 

36

 

 

•

Make sure the S-Video terminal is free of connections.

 

 

picture from

 

 

 

 

 

 

 

AV-IN 1.

 

 

 

 

 

 

•

Make sure the volume is not set to minimum.

16

 

 

There is no

•

Make sure the sound is not set to mute.

16

 

 

•

Make sure that headphones are not connected.

13

 

 

sound.

 

 

 

 

 

There is no

•

Make sure the antenna cable is properly connected.

9

 

 

•

Consider whether TV signals are being properly

–

 

 

picture or

 

received.

 

 

 

sound, just

 

 

 

 

 

noise.

 

 

 

 

 

 

•

Make sure the antenna cable is properly connected.

9

 

 

Picture is not

•

Consider whether TV signals are being properly

–

 

 

 

received.

 

 

 

clear.

 

 

 

 

 

 

•

Check color adjustment.

22, 23

 

 

Picture is light

•

Check color system setting.

 

 

 

 

 

 

 

 

or improperly

 

 

 

 

 

tinted.

 

 

 

 

 

 

•

Press the Brightness button.

22, 23

 

 

The picture is

•

Check PICTURE and BLACK LEVEL adjustment.

 

 

•

Fluorescent lamp may have reached the end of

40

 

 

too dark.

 

service life.

 

 

 

 

•

Check the batteries of the remote controller.

8

Remote control does not work.

•

Make sure the remote sensor window is not under

8

 

 

 

 

strong fluorescent lighting.

 

38

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Contents LC-20B2UA LC-20B2UA A. only Dear Sharp Customer Important Safety PrecautionsImportant Safety Precautions Service Equipment Grounding Conductors Contents Supplied Accessories AC Adapter AAA size UM/SUM-4 Cable Clamp ⋅2 Dry Battery ⋅2Antenna Cable AC Cord Using the Remote Control Batteries for the Remote ControlPreparation Power Connection PreparationAntenna Connection Antennas Main Power TV/VIDEO Menu Front and Rear Control OptionsMain unit front view Main unit rear view Front and Rear Control OptionsRemoving the Back Cover Listening with HeadphonesBasic Operation Remote ControlBasic Operation Turning on PowerSwitching TV/VIDEO AV1/AV2/COMPONENT/TV Modes PowerON/OFF Standby Sound VolumeChannel Changing channels with CH / on the remote controlChanging the Channels Press the button Press the 5 buttonSelecting Menu Items Selecting Menu ItemsMenu Setting the Sleep Timer on the Menu screen AdjustmentAdjusting the Sleep Timer Settings Directly setting the Sleep TimerSetting the Brightness on the Menu screen AdjustmentAdjusting the Brightness Settings Directly setting the BrightnessPress / to enter Adjusting the Language SettingsScreen Press / to move the cursor toVideo Adjust Adjusting the Video Adjust SettingsBlack Level PictureTint ColorABC Adjusting the Preset SettingsPress / to enter Press / to move the cursor to AIR/CABLE Channel SettingSET UP CH-SETTINGSET UP Saving broadcast TV channels in the memorySelect Adjusting the Blue Screen Settings Blue ScreenPress / to enter Press / to move the cursor to Blue Screen Adjusting the Closed Caption Settings Setting Closed CaptionPress Menu to display the Menu screen Mpaa Rating examples Adjusting the V-CHIP SettingsChip Mpaa RatingTV Parental Guidelines examples TV Parental GuidelinesTo enter Setting V-CHIP Mpaa RatingPress / to move the cursor To V-CHIP BLOCK, and pressTV Guidelines Setting MpaaSetting Block Content TV GuidelinesActivate on to Turn on V-CHIP Block Press Menu to register the secret numberChannel Select Select Displayed. Set V-CHIP Block Changing the V-CHIP Block SettingsChanging or Clearing the Secret Number Input the 4-digit secret number byConnecting with External Devices Example of external devices that can be connectedVCR To S-video output terminal Connecting with External DevicesVCR Audio L Audio R To component input Audio terminalOutputting video and audio video output How to fix the cablesMake sure the AC adapter is properly inserted TroubleshootingProblem Check item Power outletTroubleshooting Use in hot and cold rooms locationsAntenna Specifications Items ModelLC-20B2UA Unit inch/mm Dimensional DrawingsSharp Electronics Corporation Limited Warranty Sharp Corporation

LC-20B2UA specifications

The Sharp LC-20B2UA is a compact and innovative LCD television that epitomizes the convergence of technology and design. This television model is part of Sharp's longstanding tradition of producing quality home entertainment products, and it is well-suited for a variety of viewing environments, from small living rooms to bedrooms.

One of the standout features of the LC-20B2UA is its 20-inch LCD screen, which offers vibrant colors and sharp images, ensuring an enjoyable viewing experience whether you’re watching your favorite shows, movies, or playing video games. The screen resolution of 1366 x 768 pixels provides a clear and detailed picture, making it suitable for both standard and high-definition content.

The LC-20B2UA incorporates Sharp’s advanced Aquos technology, which enhances color accuracy and contrast. This technology ensures that images displayed on the screen are vivid and lifelike, bringing a more immersive experience to viewers. The television also features a high dynamic contrast ratio, which further improves the visual quality by deepening blacks and brightening whites, creating a more balanced image across various lighting conditions.

Connectivity is another key aspect of the Sharp LC-20B2UA. The television comes equipped with multiple HDMI ports, allowing users to connect a variety of devices such as gaming consoles, Blu-ray players, and streaming devices with ease. Additionally, it features USB ports for multimedia playback, giving viewers the option to enjoy their favorite content directly from a USB drive.

The LC-20B2UA also boasts a lightweight and slim design, making it easy to mount on walls or place on furniture without taking up too much space. Its sleek frame adds a modern touch to any room's décor.

In terms of sound quality, the television includes built-in speakers designed to deliver clear audio, enhancing the overall viewing experience. The sound output is complemented by various audio adjustment settings, enabling users to tailor the sound to their preferences.

Overall, the Sharp LC-20B2UA is a well-rounded television that combines compelling visual technology with user-friendly features, making it an excellent choice for anyone seeking a compact yet powerful entertainment solution. Its blend of quality, functionality, and stylish design makes it a worthy addition to any home.
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