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Problems with philips model 20pt6245/37. It shows a red, green and blue line about 3 inches from the top and has picture roll over when it comes on. The top 3 inches is the bottom of the screen upside down.

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Posted on Jan 02, 2017

techman
  • 3130 Answers

SOURCE: Tv showing blue screen with flyback lines sound ok

Flyback lines? Is the picture all white with no brightness control with faint horizontal faint lines? If this is what you are saying, the screen voltage could be bad, and if thats the case, the picture tube or the flyback itself could be bad. You could also have a bad connection on the crt socket

Posted on Dec 27, 2006

  • 308 Answers

SOURCE: green dot in middile of my screen

The green dot in the center sounds like a burn mark on one or more of the picture tubes inside the set, and the curved lines are telling me that you have a problem in the convergence circuits. The blue haze around everything white tells me you either have a lot of dust build up on the lens over the CRTs, or your picture tube(s) are very weak. If this set is over about 12 years old, I would replace it. I doubt if you will be able to get the green dot out of the picture without changing the tubes which would be VERY expensive.

Posted on Jan 14, 2007

  • 1030 Answers

SOURCE: 3 curved lines top & bottom/blurred picture

This indicates a convergence problem..convergence power supply probally.. however ive seen 2 other cuicits cause this ..

Posted on Dec 07, 2007

  • 11 Answers

SOURCE: top half of the screen shows upside down picture.

Bad vertical output IC.

Posted on Feb 19, 2008

  • 1694 Answers

SOURCE: Colored Lines Destorted Picture

75.00 Labor charge is reasonable for 32" repair of vertical circuit.
For prevent maintenance,for all L04-.1U chassis,install kit
# 483531057673 Horiz driver upgrade in addition to bad caps.
..................................T.

Posted on Apr 21, 2008

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1 Answer

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Colored Lines Destorted Picture


I had the same problem , sent it into the shop and they said it was a capacitor . It is a $3.00 part and $75.00 for labor . But it did fix the problem . The labor charge was inflated I'm sure so if you someone who can do it and just get the part ,would be the way to go.

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2 Answers

Curved blue lines on screen.


You have a completely different problem. The screen voltage for the blue picture tube is slightly too high on your set. This will put fine lines in the background of the picture, called retrace lines. This is very common and easy to correct. Remove the front speaker cover and the access panel behind it. Look inside and you will see a black box with six controls, each control having a little white glue on it. This is the Focus/Screen block. Three controls are labeled Focus and three are labeled Screen. The screen control in the center is for green but I am not sure if the screen control on the left or right is for blue for your model. With the TV on, set it to VIDEO 1 but do not connect anything to the VIDEO 1 jacks. This will produce a pure dark picture, showing any faint lines in the background. Choose one of the screen controls and increase (turn clockwise) it slightly. If the blue lines do not get brighter it means you are turning the red screen control, so put it back where it was and choose the other screen control. When you find the blue screen control, decrease (turn counter-clockwise) it until just when the blue lines are gone. If you want you can check that the red and green screen controls are set to just below the point where their faint lines are visible. When done, replace the panels and your picture will be back to perfect.

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1 Answer

Picture rolls horizontalic and verticalic


This may have to do with your TV instead of the DVD player. If you have a red, blue and green cable running from the Philips to your TV, check the back of the TV to see if it has a slot marked "H/V". If so, purchase a 7-part component cable instead of the usual 5-part - it will have a red/green/blue, red/white, and two h/v cables.

-Tha Mp3 Doctor

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Took mine to a repair shop and they said there was an issue with the line something? circuit board. Quoted me 225 parts 450 parts+labor. Mine was a red tinted screen.

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2 Answers

Green dot in middile of my screen


The green dot in the center sounds like a burn mark on one or more of the picture tubes inside the set, and the curved lines are telling me that you have a problem in the convergence circuits. The blue haze around everything white tells me you either have a lot of dust build up on the lens over the CRTs, or your picture tube(s) are very weak. If this set is over about 12 years old, I would replace it. I doubt if you will be able to get the green dot out of the picture without changing the tubes which would be VERY expensive.

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