Question about RCA TruFlat 27F520T 27" TV

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Horizontal lines then picture starts to fade - RCA TruFlat 27F520T 27" TV

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  • Steve Allison
    Steve Allison May 11, 2010

    Are the lines parallel to the floor or are they slightly tilted?

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The horizontal/vertical ic inverter is dead.
Needa new one.

Posted on Aug 26, 2009

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Open resistor for 200v video line

Posted on Nov 04, 2011

  • Todd Hill
    Todd Hill Nov 04, 2011

    open resistor for 200v video line

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Could be numerous causes,check out the frame ic check for dry joints all around this area.could be a faulty tranformer,if you are not confident in repairs get qualified assistance.

Posted on Aug 25, 2009

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Do you have sound? can you see video picture with lines or just blank coloured screen with lines?

Posted on Aug 02, 2009

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1 Answer

When I turn my set on it is dark and has horizontal lines through it. After it is on for about an hour or so it gets lighter and the lines fade but it still is not a clear picture.


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Feb 04, 2015 | Sanyo Televison & Video

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Samsung TSL2793HF - Slight Right Side Pincushion and Horz Line Bottom to Top Until the TV Warms up


Yes, this is rare but I have seen it before--not fixable if it is what I think it is----It is what is called a Dome effect---the shadow mask in the picture tube is actually contracting and or expanding depending on temperature---

Directly behind the phosphor coating (the stripes that you see on the screen) is a metal screen--the holes or perforations in it line up with the stripes on the phosphor screen.

Some masks either have a material or a defect causing the dome effect----Not likely to be anything else---a Pin amp problem will not usually act the way you describe but a shadow mask inside the picture tube will act exactly that way.

Dec 02, 2012 | Televison & Video

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Line across screen


scane for virus and reinstall the operating system

May 30, 2009 | Computers & Internet

1 Answer

Faded picture with horizontal lines


Bad CCD.
Video uses only less then 1 megapixel, that's why it's OK

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PIXMA iP90, all the pictures come out really faded..new ink,


I've cleaned it every which way..but still all the pictures print out really realled faded with slight lines horizontally runnung across.

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1 Answer

Horizontal lines on top of phillips tv


bad feedback electrolytic in vertical circuit. need tech.

Nov 23, 2008 | Philips TP2797B 27" TV

1 Answer

25 inch sanyo tv


If the horizontal lines going through the picture are fine white lines, then I would suspect the picture tube as having a heater to cathode short or some other problem. Since some sets have had a 3 year warranty on the picture tube, you may be lucky unless the labor to replace the tube is more than the set is worth. Sanyo is usually not a good name in consumer electronics anymore, so if you're looking for a replacement I would look elsewhere.

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1 Answer

PCN5425R Fading in and out


No It is not the picture tube.
First, I would suspect a bad solder connection (cold solder connection) to find this problem hit the side cassing to see if the picuture goes away or comes back.
Another way is take the back cover off and tap gently on the boards with something not conductive or your hair would look like mine. The most commond section is power supply and neer the Horizontal flyback transformor.
The horizontal transformor look at it, it's a big greyish darty little thing about 3" x 4" and stand up about 4" with a big red wire going out of it. Don't touch it, it has very high voltages, just look what it done to my hair I'm telling you don't touch it along with it's red lead's. Just look to see if it is arking if so replace it.

When you have convegence problem , it is mis aligment of the colours in the genmentry aligments.
I would suspect more in the power supply section.

Regards

What about Bob
Timmins, Ontario
Home of Shania Twain.

Mar 08, 2008 | Samsung PCN5425R 54" Rear Projection...

4 Answers

How to fix horisontal lines on display ( see the picture)? They stronger when system is restarted and then fading but never disappearing. They always stay the same.


horizontal lines can be caused by either a faulty grapchics card or a faulty monitor. try adjusting the screen refresh rate. if you are using a windows xp system goto

start>control panel>display>settings>advanced>monitor

then adjust the screen refresh rate and see if the horizontal lines disappear. if not, then you probably have a faulty graphics card or monitor.

Jan 27, 2008 | XFX GeForce FX 5200, Graphic Card

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