Question about Sylvania 6620LG 20 in. EDTV-Ready LCD Television

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Split screen the screen powers on , but the top half of the screen is clear and the bottom half is blurry, sometimes it is like it has the same screen on two halfs top and bottom

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  • Anonymous May 15, 2008

    split screen

  • MSernel1978 Mar 04, 2009

    I have the same issue with this tv. The tv splits in 2 with both the top and bottom showing the same distorted picture. Any help on how to fix would be great.

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  • 395 Answers

Replace the main board inside the set.

Posted on Feb 22, 2008

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42 INCH LG PLAYS GOOD FOR A MINUTE OR TWO THEN SPLITS OFF INTO SCREENS NO SOUND


a heat sensitive component
the only way to find it is with freeze spray and a lot of patience

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White screen


Do you always shut down and unplug the laptop when not in use? Has it been cleaned recently? Fan, Vents, heatsink? Has there been ANY damage? It sounds like your Graphics Adapter. screen, Inverter, is going? Have to say exactly. Does the Laptop Overheat?

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The top half of my screen split into four "windows." I can't get it to go away, no matter what I do. I can still do basic math equations at the bottom of the screen, however.


It is possoàible that you activated the split screen feature. IF THAT IS THE CASE, you can deactivate it.
  1. Press the MODE key.
  2. Use Down Arrow to move focus to the 8th (the bottom) line.
  3. Use the left or right arrow to highlight FULL, and press ENTER
  4. Press 2nd key then QUIT.
  5. Main screen will be whole again.
If that does not work, reset calculator to the Default configuration.
  • Press 2nd key then + to access MEMory management.
  • Select 7:Reset
  • Under RAM menu, select 2:Defaults
  • Press 2:Reset
  • Calculator returns with Defaults set.
  • Press the CLEAR key to clear the message.

Mar 02, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

Top half of screen is darker than bottom half


The problem is most likley the TV backlight - it is very unlikley to be the graphics card or video input or any other circuitry within the TV.
Also, the problem can be manifested by flashing or flickering of one or both halves of the screen, and sometimes it is a left/right split rather than a top/bottom split, depending on where the lights are positioned. Before failure, you sometimes hear a very high frequency buzz for a few weeks before it fails - the frequency can't be heard by most adults as it ranges from 15kHz-25kHz, but children\animals can usually hear it.
Generally you will need to replace the backlight tube or the invertor that drives it. Generally you can identify the backlights as thin glass tubes buried deep within the panel itself usually with one wire going to each end of them - they are very fragile. The invertor is connected to the backlight tube and looks like a circuit board, often containing a high voltage warning. Usually there are two or four conductors connecting the invertor to the tubes, which can be identified as thicker individual wires as opposed to the flat ribbon wire used for data for the actual image displayed on the screen.
On some screens you may be able to unplug\swap one or both tubes to identify if it's the tube or inverter.

Oct 05, 2008 | Televison & Video

1 Answer

Samsung LCD television screen fault


My new TV LCD Samsung LC32C530 Series 5 has one half darker and with less contrast than the other.This is noticeable now always. There is a distinct and clear division down exactly half the display which separates the dark and light sides.. Any ideas?Thank you.

Jul 08, 2008 | Televison & Video

1 Answer

AKAI LCT2662N screen problems -distorted


that sounds like your LCD controller, since the LCD screen is so big, they will "split" the screen into 2 smaller screens, otherwise it would be so outrageously expensive to have one big massive lcd controller. Your lcd controller is most likely a two-in-one card though, meaning that there are 2 controllers on one board. You'll more than likely need a new controller card for your tv.

Feb 20, 2008 | Akai LCT2660 26 in. HD-Ready LCD...

1 Answer

Screen just split in half


Is the tv still in warranty? The problem is the upper buffer board, it's a small board that controls the upper portion of the screen. You will have to consult a service center to get it, it's very easy to install

Apr 15, 2007 | Panasonic TH-37PD25U/P 37 in. EDTV-Ready...

1 Answer

Screen split with black bar through center, top of picture shows in bottom


It sounds as you desribe, the vertical output IC and or the b+ feed capacitor off the Hi voltage transformer feeding the vert. IC its required voltage. Not a really hard job to replace, but not for a handi person to do. This should be left to the professional, as there are no user serviceable parts inside this set and with the HI voltage and the safety issues its best to call somesone to assist you with this repair. Good Luck

Jun 14, 2006 | Sanyo DS31520 31" TV

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