Question about Nikada LA1371 Television

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LCD provides a light glow only

I have a Nikada LA1371 that when you power on only has a slight glow of the LCD with no visible image not even the menu screen. I tried the flashlight test to see if it is simply a backlight issue but that didn't work. Anyone have any thoughts or suggestions ? Thanks

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Re: LCD provides a light glow only

Sounds like an digital board problem or image board or main board all the same board just different names if u get sound that is, if no sound too then its probably the signal board aka power board

Posted on Mar 21, 2007

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I have a LG plasma TV. The picture won't come on but the sound does. It's a 52" model# 50pc50-ul. Production code 50pc50-ul AusYLSJR. Power 100-240v~50/60 Hz 4.5. Pcc ID: BEH50Pc5DUL.

This TV is 2007-2008 vintage. If you've had it this long without losing the picture, you've been lucky. Plasma and LCD panels are excited electrically to generate images, but they do not produce adequate light on their own to make the image visible. Thus, manufacturers install a backlight circuit which treats the LCD/Plasma panel much like a slide in a slide projector. When this backlight fails, you lose the visible image, even though the image is still on the panel. Older sets such as yours used florescent bulbs to light the screen. The use high-voltage inverters (ballast) that are the usual failure culprits. Newer sets use LED lighting. These use far less current and tend to last longer, but the jury is still out on their longevity as they are fairly new to the market. Inverters can be replaced, but be advised, as the florescent bulb ages, its color will change and it will affect image quality. So you may want to consider upgrading to a newer set.

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My Sony LCD model no CX52 There r white patches and background images are not visible Screen is full of pathes what to do

The LCD television is a flat-panel television which utilizes a Liquid Crystal Display technology. It has two layers of glass which are polarized and stuck together. The liquid crystals are held in one of the layers. These liquid crystals pass, or block the light, to produce images on the screen when the electric current passes through it.

However, the crystals do not produce their own light. The light comes from the series of fluorescent lamps at the back of the screen. There are millions of shutters arranged in a grid, which open and close to release and trap some of the light that is not needed to create images. Then each shutter is paired with a colored filter which produces a sub-pixel. These are so small, that when they combine, they create a single pixel, which appears to be a single spot of color on the screen. With the help of the fluorescent lamps, the images created by the liquid crystals become visible to the viewer.

LCD television produces high image quality. They can be made very thin, which makes them less space-consuming, and the user can hang them anywhere. This makes them appealing to buyers.

LED TV's are actually very much like LCD TV's. They also have a flat-screen which utilizes Liquid Crystal Display technology. The only difference is their source of light, which is at the back of the screen. The LCD TV uses fluorescent lamps, and the LED TV uses LED (Light Emitting Diodes).

There are two types of LED backlighting. One is referred to as Edge lighting, and the other is called Full-Array lighting. With the Edge lighting, the series of diodes are arranged along the outside edges of the screen. When there is power, the light is distributed across the screen. Alternatively, in Full-Array lighting, there are several rows of diodes behind the entire surface of the screen. They provide more control over brightness and dimming, because the diodes can be turned on and off independently.

LED TV's are LCD TV's with a new backlight system. They are newly developed for LCD's, because Light Emitting Diodes are said to give more balance in color saturation, and use less power than the fluorescent lamps. LED TV's are the newest version, and that's why they are currently more expensive than the standard LCD TV's.


LED TV's are still LCD TV's. They are just considered to be the newer LCD TV version because of the new backlight system used. The LED TV uses Light Emitting Diodes, while the standard LCD TV uses fluorescent lamps. Although they both still use Liquid Crystal Display technology. The main difference is the part behind their screen, which is the backlight.

Read more: Difference Between LCD and LED Televisions ' Difference Between ' LCD vs LED Televisions

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1 Answer

Will not turn on

Unplug Set, wait 10 seconds, plug it back in and try again, works for me.

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Sony Bravia 46S2010 no picture only glows but, only sound on

sound like you had problem with the lcd display panel. The Tcon had problem that attack to the panel.

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Sony Bravia KDL-S40A12U Blank screen


on your set there is inverter board that is what lights up th backlight on your TV making everything visible that board has went bad.


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Blank screen, cannot get menu to display, but sound works

Does the lcd screen have a glow to it ? Or is it really dim if u get real close to screen u can see images moving ?
it it has a glow to it you panel lighting is fine but you control board is bad. If you have a dark screen and see faint images you panel back lighting is out u can check the power with a meter at the connection to inverter board on panel.

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