Question about Sony KV-35S42 35" TV

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Sony KV-35S42 35" TV

When turned on, 4-5 colored lines appear across the top of the screen. Within seconds, a scrunched image appears at the top, or the entire picture appears. Then the screen turns black, within seconds. Once the picture goes, it does not reappear while still turned on. When turned off and back on, the cycle repeats. Sound is OK. Connections are good.

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Re: Sony KV-35S42 35" TV

Check first for bad solder on the vertical IC, Im not sure for your set as I do not have the service manual, but it may be location IC301. If after resoldering it does not fix it you may have to replace it and you should replace the electrolytic capacitors in the vertical section. Hope this helps. Don

Posted on Aug 14, 2007

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sounds like a vertical problem, usually you'll see one white line across the screen, but one I worked on would come on and the bottom half of the picture was gone and there were lines across the top of the screen.

If you know how to solder & can find the vertical output chip then you could try resoldering the pins. If this doesn't fix it then it needs new parts.

Mar 08, 2010 | Sony FD Trinitron WEGA KV-36FS120 36" TV

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Sony trinitron wega kv-36fs200 36' tv is missing green color

sounds like a major fault with the line output transformer/power board. if no green on screen, tube is on it's last legs. Advise to scrap, not to repair, cost in excess of £200

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friend maybe your LCD was broken or loose. try to pull gently if it return to normal image.

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RCA tv model F32649 white horizontal lines

the problem of your tv is in vertical section, to be sure change all the capacitor in vertical section.

Sep 27, 2008 | RCA F32649 32" TV

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Line across top of screen

If the picture is ok otherwise then only thing that probably needs to be done is a vertical height adjustment. That is if the lines never changes position from cold to hot.

Feb 27, 2007 | Sony FD Trinitron WEGA KV-32FS16 32" TV

1 Answer

Screen went dark

Sounds like the screen control which is usually mounted in your high voltage transformer (Flyback) has opened up. Stargazer

Jan 10, 2007 | Sony KV-27S20 27" TV

1 Answer

Picture problem

Usually that symptom is caused by cracked solder joints on the vertical output IC. As the IC starts heating up, the picture starts breaking up at the top with several "dancing" dark lines appearing, the top scrunches down and then when the vertical quits altogether, the screen goes completely black. A good slap on the side of the TV might make it happen faster or clear it up temporarily. If you have experience working on PC boards then you can resolder the pins of the vertical output IC but if you have never soldered parts on PC boards then allow a qualified tech to handle it for you.

Nov 20, 2006 | Sony KV-35S42 35" TV

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Green screen with almost horizontal zigzag lines

Is good that you hit it and it reacts,very likely you have loose conections in different places but for the distorted picture you need to check the horizontal driver transformer and flyback after that is corrected you need to check the complete chassis for loose conections.Take your time.Good luck.

Sep 07, 2006 | Sony FD Trinitron WEGA KV-27FS100 27" TV

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