Question about Sony KP-57WS500 57" Rear Projection Television

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Green lines on my Sony projection

I have horizontal green lines across screen approx 8 to 10 inches apart-seems to come and go depending on what colors or background color are showing- not sure what model it is- I bought it 2002

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Those are called retrace lines and they are the result of the blanking pulse not having the desired effect. This could denote a problem in the Horizontal section of the TV. In this case the green gun is not being turned off as it goes back to the left side of the screen.

Posted on Sep 20, 2007

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Posted on Jan 02, 2017

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My tv sony kv-xa21m61 display too bright and many horizontal lines. no picture


Vertical retrace lines is the problem. Thin white lines runs across the entire screen, at about an inch apart to each other. Check its video output supply voltage. Reduce the screen voltage to a little bit down and check. If you still wish to know more about this fault, check this site. Pull up older posts there.

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Jvc rear projection tv


Do yourself a favor and dump this old TV, new ones are much better and cost is very low due to low demand.

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I have a Flat screen Sony Bravia KDL-46S4100. Lines go across the screen horizontally about 6 inches apart. There is distortion especially on the right side mostly on lower right. What needs to be done to...


Are the lines all the way across the screen? or just a few? Solid black - or trannslucent?

Like this??

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Horizontal drive has either data, voltage, or control problem from the pixel registry circuit......get it serviced before the problem spreads causing further damage.

However, in all likelyhood, the panel itself is bad. The Bravia line has had a bad rap about the faulty displays, and at $1800 replacement (plus labor) - it may be time to call SONY direct to complain!

Thanks!!
nc

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1 Answer

Have Panasonic TH-50PX60U HD Plasma. Purchased


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Green lines developing about every 6 inches going across horizontally with slight arch on end sony projection tv KP57WS500


This is convergence out ICs failure and will be replaced for correct picture in TV.
Let me know if you can solder parts in circuit board of TV with necessary tools to provide you IC number and store address, or call local TV tech for fix if you are not comfortable with TV repair.
Thanks.


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1 Answer

Mitsubishi DLP WD 52525 has small green lines on the screen


do the lines go from top to bottom, and are they about 1 inch apart? or do they move diagonally across the screen?

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RED AND GREEN LINES HORIZONTALLY ACROSS TV


This sounds like you may have bad picture tubes. Most likely the green and red tubes. You would have to have them replaced and realigned. I would call a Sony ASC and get an estimate to verify this. An onsite service call could verify if this is what's causing your problem.

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1 Answer

Horizontal (dashed) line across screen


On the KDFE55A20 this sounds like a bad Q-Box. I would get an estimate from a Sony authorized servicer as this part may be quite expensive. On the 55A10 model this may be the B-Block and is also quite expensive. Getting an on-sit estimate would be the first step I suggest. Again go with an authorized Sony servicer. Call Sony or go to Sony.com for customer service. Good Luck

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