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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Samsung TV HL55679W has a blurry bottom hslf picture


The set has either one or two boards for this---most have two boards and one drives half of the screen and the other the other half==a few combine both into one larger board.

Usually if only one half==that is the problem---in some cases it can be a defective screen unit-called a display panel which is fatal if the case as it costs more than the set did when new.

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42 PHILIPS PLASMA HDTV 42PF7220A37 Hello, The top half and sometimes the bottom half of the screen would go black now and then, now the bottom half is distorted and theres some issues in the upper half...


Download philips latest firmware here: Click sometimes glitches can be cleared with their firmware. Also this could be a sign that your vertical buffer drivers are over-heating due to a faulty Y-sustain problem. The best way to check is to remove the back cover turn the TV on and see which buffer IC is getting red hot by touching it. Be careful as the voltage levels are dangerous, get someone who's technically proficient to do that little test for you....
http://tvtechwork.webs.com/

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2 Answers

When you turn the TV on the screen splits in two,


it sounds like one of your buffer boards are going bad. these are the boards that help put the picture on the screen. there are 2 boards an upper and a lower board. if you remove one and turn the tv on you will get half a screen. see then if you get the lines. please leave rating after you check.

May 10, 2010 | Hitachi P50H401 50 in. Plasma HDTV

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 | Flat Panel Televisions

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 | Flat Panel Televisions

1 Answer

RCA PHD50300 no picture on top half of screen


Replace the scan drive board also called X-sustain board. This is the board on the upper left side in the back of the set with a huge heat sink on it. you can find them online for about 175.00. The p/n is pkg50c2g1. Be carefull with the 4 ribbon connectors that go to the display.

Apr 03, 2008 | RCA Scenium PHD50300 50 in. Plasma...

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.

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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

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