Question about Sony KV-27S46 27" TV

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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

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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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1 Answer

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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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---

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1 Answer

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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1 Answer

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.

Mar 10, 2010 | Samsung TXM2756 27" TV

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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

Jan 01, 2008 | Televison & Video

2 Answers

One White Horizontal line on black screen
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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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KV-27S46 27" TV

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

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The codes for programming my remote in my instruction manual for my Sony Trinitron KV-27S46 are not working and I cannot turn on the TV with the remote.

Feb 05, 2011 | Sony KV-27S46 27" TV

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