Black & White

Westinghouse 40 Lcd Manual - Heroku

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Tcon problem

How to fix repair vertical lines on half of LCD tv screen

If you have parallel horizontal black lines on a white background, you can see the separation between the lines when it is viewed at close range (Figure 1). As you view the lines from further and further away,the image gets smaller, you eventually get to the point where you can no longer see the separation between the lines, and it looks like one line. Losing the ability to see separation in the lines is exactly what happens when you sit too far back from an HDTV set. If we apply the same principle to an HDTV, a 1080p resolution HDTV has to fit 1920 vertical and 1080 and horizontal black lines separated by the white space on the screen, (that is the pixel grid of a 1080p HDTV display). Furthermore the spaces between each cell of the grid need to be very small in relation to the area each cell occupies, or you will get a screen door type effect. A bigger HDTV can increase the size of the cells and the separation between the cells, so everything doesn't run together when you sit further back.


Performance chip

The three picture cords (red/blue/green) often are a little larger around than the sound cords (red/white). If they are they same size, they are often grouped separate by picture and sound. Double check to verify if you have the "red" cords correct. Good luck.

you have lost your chroma (color) circuit the sepia you are seeing is just the black & white picture black and, white is adjustable from red to blue to green tint so; your sepia is an overloaded red circuit i could fix this but, i'm here and, you're there so take it to a serviceman it should not cost much more than $100

thanks for rapid comm.resolved issue .stb is a old version ,does not support hdtv ,changed to a newer version,everything worked fine.once again thank u

If the S-video cable is not completely in it will do this. You need to remove and clean tips on S-video cable/ replace, this is your problem.

Make sure that the color control level is set to the default or 50% to start with. This should be in the Video menu.

The colour for the tuner and for the encoded base-band video uses a circuit area called the colour demodulator. It is possible that this cirucuit area has failed and needs servicing.

Jerry G.

Your HD-52Z575 will only be able to display an NTSC signal, PAL is not compatable. There is nothing that can be done to make it play a PAL signal.