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The colours on my Wharfedale 350 tv have gone wrong. Everything is green and purple. How do I fix this.

I suddenly lost the full colour spectrum on the tv. It mainly displays greens and purples now

Posted by Richard Lang on

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skoljco

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The problem is AV cables or connectors on the TV, try to replace the connector shouldwork

Posted on Mar 04, 2012

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I have bpl tv model FYR 21 NEPTUNE and there is a problem in its colours uniformity. due to les green colours of pictures reflects the purple colour. please tell me the solution for setting its colours


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hi, if you know little fixing tip's? here's my tip's sound's like converging ic's,gone bad. on the left board there's two a touched to a big heat sink.but before you start'.there's three wire connected to the board written. red .blue.and green.check for burn film resistor's on line red. replaced it with the same.good luck.

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This is no solution but a point in a probable direction.

A tech guy told me ALL the LCDs they have seen in their repair shop have "swollen" capacitors, this is due to voltage instability. Lowering the internal voltage regulator and replacing the swollen capacitors (which eliminate noise) apparently restores the LCD to new working quality. Without actually "seeing" my problem the tech said that should repair it. I have not tried this yet but eventually will begin that way.

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Color problem with TV


Are you getting Green or purple or pink patches all over the screen?
This could be a problem of Degaussing. Have you placed any Magnetic source near the TV recently? Some Tape recorder or walkie talkie or a Speaker, etc? The Magnetic field created by any of the above sources can cause coloured patches over a colour TV screen.
It also happens if you shift the TV from one location to another.

The third possibility is that the Picture Tube's Red Output stage gone faulty. Unless you are a trained Solid state Electronics Technician, there is nothing you can do. Better go for a trade in.

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With the set being 12 years old, I'm sure the picture tube is near the end of its useful life. You probably have a defective semiconductor, either an IC or transistor that has gone up giving you no color, but with the green picture, it is not likely worth repair.

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