Question about RCA L42FHD37 42 in. LCD HDTV

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The screen has like red ink drooping down, it has vertical lines and on the left top corner, there is a black spot, what is going on with the screen? and just in case you want to know, I did not purchase the warantee.

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Sounds like a cracked LCD Panel.

Posted on May 27, 2011

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LN46B610A5FXZA Gray Horizontal across full Screen with color vertical lines in lt corner and center of screen


Sounds like a panel defect. Visit the site named 'Electro-help' for more details. Click this link. View it in "Timeslide" option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. It will make search easy. There are more than 1000 posts to different brand TVs now. Pull up older posts there.

Oct 26, 2012 | Samsung LN46B650 46/49.5 in. LCD HDTV

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Very thin black vertical line moving across tv screen left to right on tv


The screen voltage to the picture tube is more than normal. Adjust it by the help of screen pot-meter integrated with Line Output Transformer. Visit the site named 'Electro-help' for more details. Check this link and select the site named above. View it in 'Flip card' option, which can be selected from the drop down box menu at the left top corner or the display window. It will make search easy.

Aug 05, 2012 | Panasonic CT-20SL14 20" TV

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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.....

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I have a Mitsubishi 55"


This set has a convergence problem. You should only need to replace the IC. Part is STK393-110. It sits on the middle board behind the large heatsink. Use a heat transfer compound to ensure repair lasts. If you have no experience soldering (or unsoldering) please use a professional for the work. The traces are fragile and I have fixed many mistakes local DIYers have committed. Goodluck.

Jan 20, 2011 | Mitsubishi WS-55511 55" Rear Projection...

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Top left corner double picture red and green


you have a failed IC resistor usually you can physically see the bad one because it burns out leaving you to guess what the value was. Hitachi offers a convergence fix kit which has 2 IC's and all approiate resistors.

Sep 01, 2008 | Hitachi 43FDX01B TV

1 Answer

Red line across top half of screen


Inverter board is bad or video cable loose either behind LCD panel or near video adapter.

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1 Answer

Red/green drooping L top corner


i have found when samsangs convergence are out of range perfect focus will fail. if the are out of range a technician will try to adjust the set in service mode. store these values and then this will be the base for the perfect focus. If the set has a bad convergence cuircit then they have to be replaced.

Nov 05, 2007 | Samsung HCN653W 65" Rear Projection...

1 Answer

No clue


Sounds like failures of the convergence output IC's. They should be STK392-110's in the set. Also check associated circuitry around them.

Mar 24, 2007 | Hitachi 43F300 43" Rear Projection...

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