Sony KV-27S46 27" TV Logo

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Question about Sony KV-27S46 27" TV

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Up and away

The tv gets alot of horizontal lines then shrinks upward until the screen is completely black. sometimes when tv is tapped or shaken it comes back

Posted by jasen hager on

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Anonymous

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But please be aware of the hi voltage inside these sets and BTW the vertical IC should be replaced NOT resoldered as you will have the same problem a few weeks down the road!!

Posted on Jun 15, 2006

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Problem in your vertical circuit look for cold solder joints.

Posted on Jun 15, 2006

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1answer

Vizio TV has a horizontal 2mm black/multicolor line.

If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
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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.
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Black Horizontal Line in Screen

hi all .ive had the same problem,a thick black line down screen.sometimes it flickers from top to bottom and other permantly in view.but i have solved it.forget your ic boards and taking apart tv.have you got either a ps3 or wii connected to tv.if so unplug power lead from socket and relocate in seperate socket.make sure the lead is completely free of any other leads and you might just find this works.i think the power lead creates some sort of frequency that the tv picks up .good luck hope it works
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I've suddendly got black horizontal lines on my

Ur tv have cold solders in the horizontal IC.Know how to solders.Take the back of a screw driver tap around the PCB board to find out where cold solders.Resolders that area will fix this problems.
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Lost picture

loss of virtical drive ic
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Shrinking screen.

hi there, you do have a vertical section problem and at the power supply section problem. do some test, check for some cold solder at the power supply section, test some electrolytic capacitor at the vertical section. ty
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One White Horizontal line on black screen

replace the vertical IC problem solved
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Sony Bravia XBR 40" LCD

First, HORIZONTAL CENTER.
1) Press MENU.
2) Scroll to SETTINGS.
3) Scroll to SCREEN.
4) Go to HORIZONTAL CENTER. Move the picture to the right. Hopefully, the line will go away. Otherwise, there is a problem with the pixels or the signal processor. Call 1-800-222-SONY. Or, http://eservice.sony.com. Have a high-limit credit card handy for out of warranty repairs. Sorry about that.
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