Question about Mitsubishi VS-55705 55" Rear Projection Television

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Vertical lines jumping across screen

I have vertical lines jumping across the screen as if the vertical hold was not working. I also have a double image.

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  • gloriajt Nov 04, 2007

    vertical lines jumping across screen. When I turn off tv or change channel, picture will clearn for about 1 second.

  • gloriajt Nov 04, 2007

    I have verticle lines jumping accross my screen. When I turn the channel or turn the tv off and back on, it clears for about 1 second.

  • Anonymous Mar 16, 2014

    White vertical lines across screen

  • Reg Morton
    Reg Morton Apr 16, 2014

    Where are these ICs located in a WD57831?

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  • 3,130 Answers

If the double image is in a differant color, then its your convergence IC's that need replacement. This is not a job for the unexperienced person. If you have no electronic repair experience, please seek out a pro to assist you in this repair. There are two IC's, about 3"X5" that are black in color and have STK with several numbers following them. Good Luck PS please dont forget to rate this thread.

Posted on Nov 03, 2006

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Posted on Jan 02, 2017

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I have a Sony KF-42WE610. It has developed evenly spaced lateral lines across the picture (double the lines for Hi Def). Looks like a tube television that needs the vertical hold adjusted. The screen...


If you wish to get some details; visit 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.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts

Jul 11, 2017 | Televison & Video

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Thin red line across screen two inches for the top. Picture above line is good, picture below line has no color and double image.


Hello,

IF YOU HAVE A SOLID BLACK LINE RUNNING VERTICALLY THEN YOU HAVE A FAULTY MATRIX INVERTER. IF CENTRAL THE MAIN VERTICAL INVERTER NEEDS CHANGED. LEFT = LEFT VERTICAL INVERTER RIGHT=RIGHT.........

ANOTHER WAY TO GET THIS FAULT IS WORN OR DAMAGED RIBBON/PLASTIC GOING FROM THE SCREEN MATRIX TO THE INVERTER

Hope this will help out.....

May 12, 2011 | Vizio L32 32 in. LCD HDTV

1 Answer

I cant stop the tv monitor screen from jumping it has something with the dvr


Hello What type of TV do you have, analog or digital? If you have an analog TV and the screen is rolling it is the vertical hold. Because the vertical hold operate on 60 cycle which the same as AC line cycle. The 60 cycle in the vertical hold is as a oscillator or timing circuit. When the TV pick up the image for the NV devise, they just don't mix. Why, because image intensifier tube in the NV devise is operation at 25 to 50K Hz or cycles. The vertical hold circuit pick up on the 50K Hz signal which mixes with 60 cycle timing circuit causing the screen to rolling with lines across the screen @ 60 cycles. Digital camera and digital camcorder with digital TV will help, or a image inverter that takes this 50k Hz signal and covert it to some that analog TVs can use. GB...stewbison

Jan 18, 2011 | Optics

1 Answer

White line across black screen (setup mode?) model


if line is horizentle check vertical ic supply and out put capcitor if line is vertical check yoke wirsand cap 560k at horizentle yoke and any print brunt

Jul 03, 2010 | Quasar SP-2725 27" TV

1 Answer

TV TURNS ON,LINES ACROSS SCREEN THEN TURNS OFF BY ITSELF


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

2 Answers

Sony KF50WE610 Vertical Blue Lines Across Screen


the vertical blue lines indicate some interference from other electronic gadgets near your tv. it started showing up on my sony grand wega when i installed my wireless modem. i almost ordered a new rear projection lamp costing over $100 but decided to experiment. i first moved my desk computer farther away from the tv then isolated the wireless modem router by placing it inside a small glass - the vertical blue lines became lighter in color so i dedided to find another small glass that fit inside the first glass container then put the router in the double glass - no more blue lines and my wireless modem router still works.
do some deductive thinking to figure out what's messing up your tv and isolate the interference.
good luck!

Jan 18, 2009 | Sony Grand WEGA KF50WE610 50" Rear...

1 Answer

Horizontal white lines across top of TV screen


Vertical hold circuit is failing.

Check capicitor in vertical hold circuit. You should have solid knowledge of electronics repair before attemping repair. TV's can emmit harmful radiation, and produce voltages up to or in excess of 30kV.

Oct 07, 2008 | Televison & Video

1 Answer

Verticle hold transistor?


The vertical hold keeps a normal picture from rolling either up or down. You don't have a normal picture (raster) here.

The problem you are having is a vertical deflection problem. The screen is being compressed to a thin white line. It's probably a defective vertical output module or transistor. This part is not too expensive. Less likely would be a vertical deflection coil, which would be more expensive because its usually glued to the picture tube and harder to replace.

Good Luck!

- Jim

Jan 24, 2008 | Televison & Video

1 Answer

55IN TV.


1. VERTICAL ROLLING, VERTICAL BLANKING BAR LOCKING IN THE MIDDLE OF THE PICTURE, ALSO MAY HAVE HORIZONTAL PULLING OR TEARING. CHECK C2C52 10 UFD @ 50 V OFF THE BASE OF Q2C51 ON THE SIGNAL PCB. 2. CHECK C2P05 100 UFD 16 V OFF PIN 3 OF IC2P01

Oct 31, 2007 | Mitsubishi VS-50605 50" Rear Projection...

1 Answer

Picture has horiz. lines


There is no vertical hold in the tv circuits now adays. You may find a vertical center or a vertical height. Your problem sounds like (if it has PIP Thats Picture in Picture) its in the PIP module and its a small module that stands up and most models of Mistubishi this module is no longer availabvle. The problem with the module is the small pana caps are leaking and ruins the PC traces. I have heard that theres a kit available on E-Bay to jump out this module. Now if its not the PIP model then it could be a few capacitors in the vertical sweep circuit. Also the B+ feed off the Flyback that supplies voltage to the vertical output IC could have a bad or leaky capacitor in the circuit. If your not a tech or solid state troubleshooter theres not much you can do and SHOULD take this set in to a repair center. Good Luck

May 21, 2006 | Mitsubishi VS-45605 50" Rear Projection...

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