Question about Vizio L32 32 in. LCD HDTV

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Screen has color lines vertical and horizontal. they are in front of picture

Model m321i-a2

Posted by Carlos Cisneros on

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5 Related Answers

freetek

Steve Allison

  • 5569 Answers

SOURCE: left half of screen is filled with vertical

If I am right, this is an expensive problem.
The minute pixels that make up the display are turned off and on by circuits arranged in an X-Y matrix. To avoid using one circuit to control each pixel, the circuits are rapidly scanned at a rate higher than the eye can detect.
One or more of the circuits that do the scanning have failed on your set and the ugly part is, the display panels often have these mounted on the display itself forming a 'package' that speeds assembly and are made only by a few companies. If yours is one of these, the entire panel would have to be replaced since the integrated circuits used are very small and have pin spacings that pretty much preclude replacement by hand since they were originally placed by robots.
I hope for your sake the display panel and its control circuits are separate and the panel is still fine since the cost of an integrated replacement may prove to be about 1/2 to 3/4 of the cost of a new set.

Posted on Dec 12, 2009

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Anonymous

  • 1 Answer

SOURCE: Colored lines have appeared on the right side of

call the warranty dept..My friend just had that happen and they not only replaced it..they upgraded his tv.

Posted on Apr 07, 2010

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paul hughes

  • 135 Answers

SOURCE: a multi-color horizontal line appears on screen

yes it sounds like one of the sus boards have gone or a buffer take to tv repair if you have no knowlage on how to repair

Posted on Apr 13, 2010

Anonymous

  • 1 Answer

SOURCE: Vizio P42 model Sp42 A

I had the same problem. I bought the TV with the same symptoms and couldn't find a solution. So just on a hunch I tried different button combinations on the front of the TV while I turned the main power switch on in the rear. One I got to the Channel up and Channel down the TV came to life and works great. So just hold those 2 buttons down at the same time while you flip the switch on the back. Hold them for about 10 seconds and then you should be good to go.

Posted on May 30, 2010

brownline45

Elizar Murro

  • 310 Answers

SOURCE: screen turned black except vertical color lines in the center

good day your vertical ic is defective needs to replace look for qualified technician to fix your tv

Posted on Jun 20, 2010

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Any horizontal or vertical lines on a LCD pane, 90% the chance that is a defective LCD panel.

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Sounds like T'Con board fault. 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/
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The vertical deflection circuit has failed, or has been shut down by a service code entered from the remote control*. Usually you can get out of service mode by turning the set off and on again.

*Normally, you have to enter a special combination of front panel and remote control codes to get into service mode, then enter another code on the remote control to get the horizontal line. The horizontal line is used for adjusting the screen controls for each color so you get proper color in the dark areas of the picture.

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Magnavox 32MF337B/27 power supply works and like another writer when power is turned on the audio works the channels change and you can tell that all remote and on set keys work, but no picture except an...


hi i have a 50" magnavox that has a problem, i was looking at several websites and i find out the dirfferent posibilities.
in your case i have 2 posibble answers.
1) negative image
tv turns on and shots down in 2sec
flashing pixels on screen
dark image
has sound but no video
screen goes black and then return to normal picture
vertical color lines on screen no video
vertical color lines with video
vertical bars on screen
horizontal lines on the image
picture goes red after while
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2) just left part of screen working
just right part of the screen is working
vertical and horizontal lines on screen
part of screen not working
some functions not working
no video but has sound
functions not working at all
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TErry HerreRA

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1 Answer

Horizontal color line across the screen


Most likely a bad Vertical IC or bad connections on the vertical IC. don't continue trying it on. If you have a bad connection it could do more damage. You also could damage the CRT ( picture tube ). If you remove the cover and look at the bottom side of the PC bord with a good magnifiing glass you may see what looks like rings around the leads comming from the Vertical IC. The Vertical IC is mounted on a heat sink usually towards the front of the set looking from back. If you do see the rings around the leads try reheating with a solder iron. If this dosen't fix you most likely need a new IC.

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vertical output ic needs to be resoldered. careful leaving that bright line displayed on the screen as this will cause a permanent phosphor burn into the tube. this can not be corrected once burned unless you replace the tube. mch

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1 Answer

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My Konka LCD model KDL32AT23U Displayed a picture, then vanished, showing different colored vertical lines in horizontal blue bands.Then I could not turn it off with the remote or standby button on the side.Only with the main switch.What's wrong??
This is the same problem posted by kukish on july 26,2008

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1 Answer

TV: vertical colored lines on TOSHIBA TV Model 36ZP46P


HAI,1.REPLACE SOME CAPICTORS IN HORIZONTAL SECTION.
       2.ADJUST FOCUS ON LOD(EHT TRANSFORMER).
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2 Answers

Vertical color lines


Here is a picture of my TV problem, the green horizontal line is from the camera flash. thanks for the help.4d2ca33.jpg

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