Sharp LC-20VM2 operation manual Troubleshooting

Page 28

Troubleshooting

Problem

 

Check item

Pages

 

Make sure AC power cord plug is securely inserted in

5

 

 

AC power outlet and AC adapter.

5

 

Make sure AC adapter’s DC output is securely con-

 

 

nected to main unit’s DC input terminal.

10

 

Make sure main unit’s main power switch is turned on.

 

Make sure AV input is properly set.

10

 

Make sure cables are correctly connected to rear

22

No image on screen, and

 

terminal section of LCD monitor.

5

Make sure remote control batteries have not worn out.

no sound from speakers.

Make sure the unit is not in the standby mode (power

11

 

 

indicator is red).

 

 

 

 

 

 

Make sure cables are correctly connected.

22

Speakers produce sound,

 

 

 

but no image on screen.

 

 

 

 

 

 

 

 

 

 

 

 

Check Color and Tint adjustments. (NTSC ONLY)

13

 

 

 

Make sure Contrast and Black Level adjustments are

13

 

 

 

 

not set too high.

13

 

 

 

Check that Red and Blue adjustments are near the

Image is too light or

 

center.

24

Check component video input cable.

improperly tinted.

 

 

 

 

 

 

 

 

 

 

 

 

Make sure cables are properly connected to rear

22

 

 

 

 

terminal section of LCD monitor.

14

 

 

 

Check Sound setting.

 

 

 

Make sure sound is not muted.

11

 

 

 

Make sure headphone is not connected.

6

Image is displayed, but

 

 

 

no sound from speakers.

 

 

 

 

 

 

 

 

 

 

 

 

Check to see if Brightness adjustment is not set to DARK.

15

 

 

 

 

Screen brightness can be set to three levels (DARK,

 

 

 

 

 

NORMAL and BRIGHT).

13

 

 

 

Make sure Contrast and Brightness adjustments are

 

 

 

 

not set too low.

 

 

 

 

 

 

 

 

 

Lamp may have reached the end of life. (Contact a

 

Image is too dark.

 

Sharp service shop for lamp replacement.)

 

 

 

 

 

 

 

 

 

 

 

 

 

Check Color adjustment.

13

 

 

 

Make sure proper color system is set.

13

 

 

 

In the case of component mode, check to make sure

 

 

 

 

 

PB (CB) and PR (CR) signals are input.

 

 

 

 

 

 

 

 

 

 

 

 

No colors on image.

 

 

 

 

 

 

 

 

 

Remote control does not work.

Check to see if batteries in remote control have

5

 

 

 

 

sufficient power.

5

 

 

 

Check to make sure (+) and (–) side of batteries are

 

 

 

 

properly positioned in remote control.

 

 

 

 

Make sure infrared transmitter window is not receiving

 

 

 

 

 

strong light such as light from fluorescent lamps.

 

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Contents LC-20VM2 Important Information PersonnelEnglish Safety Precautions ContentsDear Sharp Customer Page Supplied Accessories TINS-6901CEZZBatteries for Remote Control Power ConnectionPreparation Example of Application Listening with a HeadphonePreparation Removing and mounting the back cover Clamping the connection cordsMain Unit Front View Names of Parts Main UnitFront Control section Names of Parts Main Unit Main Unit Rear ViewRear terminal section Names of Parts Remote Control Remote controlTurning on Power Switching AV Input AV1/AV2/COMPONENT/RGBBasic Operation Control section of main unitSound Volume Power ON/OFF standbyBasic Operation To mute soundAdjusting the Picture settings AdjustmentSwitching the System AV1,2, Component mode RGB modeAdjustment 13 USAdjusting the Sound settings Speaker on Line OUT Stable Treble ‰Adjusting the Preset settings 15 USAdjusting the Fine Sync SettingsRGB mode only Handling of the RGB Connection Cable Connecting to computer17 US RGB Input Signals Recommended Timing Connecting to computerInput signal Video signal time chartRS232C terminal specifications ConnectionsRS232C terminal Communication conditionsConnecting to computer Communication procedure CommandsControl Contents Command Parameter 21 USConnecting to Video Equipment Watching TVVia TV Via Satellite TV, Pay TV23 US Connecting to Video EquipmentVia Web TV, Game Unit Connecting with Video Equipment Digital Video Disc25 US Video, Game unitTroubleshooting Specifications 27 USDimensional Drawings Memo 29 US

LC-20VM2 specifications

The Sharp LC-20VM2 is a notable entry in the world of compact television models, distinguished for its blend of performance, design, and innovative technology. Launched in the early 2000s, it quickly gained recognition as a reliable choice for consumers looking for a small yet powerful television solution.

One of the primary features of the LC-20VM2 is its display quality. The television boasts a 20-inch LCD screen with a resolution of 1280 x 768 pixels, providing users with sharp images and vibrant colors. The LCD technology utilized in this model ensures that the visuals are crisp and clear, making it suitable for various viewing experiences, from watching movies to enjoying video games. The wide viewing angles inherent in LCD screens allow family and friends to enjoy the same high-quality picture regardless of their seating position.

The LC-20VM2 is equipped with multiple input options, enhancing its versatility. Users can connect the television to various devices through its multiple HDMI ports, component inputs, and composite video connectors, allowing for seamless integration with DVD players, gaming consoles, and other media sources. The inclusion of a built-in tuner means that the LC-20VM2 can receive over-the-air broadcasts, making it a complete entertainment solution without the need for additional components.

One of the standout technological features of the LC-20VM2 is its use of Sharp's advanced image processing technology. This technology optimizes color performance and enhances contrast, ensuring a rich viewing experience that brings images to life. Additionally, the TV includes features like Noise Reduction and Adaptive Contrast, which further improve picture quality by reducing artifacts and enhancing details.

Design-wise, the LC-20VM2 boasts a sleek and modern aesthetic, making it a fitting addition to any home environment. Its compact size allows it to be placed easily on a countertop, shelf, or even mounted on a wall, providing flexibility in terms of space usage. The integrated speakers deliver decent sound quality, balancing clear dialogues with a respectable bass response, which complements the visual experience.

Overall, the Sharp LC-20VM2 exemplifies the features and quality that consumers seek in compact televisions. With its excellent picture quality, versatile connectivity options, and modern design, it remains a relevant choice for those desiring a reliable and robust viewing experience in smaller spaces. Whether for a bedroom, kitchen, or simply as an additional screen in a home, the LC-20VM2 continues to deliver performance that resonates with a wide audience of television enthusiasts.