Question about Daewoo DTQ-20N3FC 20" TV

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Samsung lcd horazontal lines on scren on digital tv and av

Had a faulty t con brd replace it and picture is fine except for horazontal lines across the screen most of the time

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Sounds like a panel fault. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience. Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/
Screen-shots to defective LCD panel are given. You can compare it to that of your TVs' and can make sure about the fault.

Posted on Apr 15, 2014

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Posted on Jan 02, 2017

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Samsung 46" lcd tv changed t-con brd 5-mnths ago worked fine. started showing up/dwn pixel lines the went white. sound is great pic is white. what board would I chang now? mdl:ln46a530p1f


It sounds like your T-Con board went out again. You might re-seat your ribbon cables just in case you didn;t get them in good from the last repair. If that doesn't help I would say that your T-con board went out again.

May 05, 2016 | Samsung LN46A530 46 in. LCD HDTV

1 Answer

Horizontal line about 1 from bottom of picture


The t con board or LCD panel of the tv is faulty. Can confirm by replacing the t con board.
If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

Apr 13, 2016 | Samsung Ln32d403 32-inch 720p 60hz Lcd...

1 Answer

Can you help me diagnos my problem with my Samsung tv


Hi,
Probably the T con board is faulty. T con board is the one which drives the lcd pixels. Chekc the video to identify the t con board. Also try to remove the connection to T con board and reconnect it. some times bad contact on those connectors can lead to such problems.

www.electro-medical.blogspot.com
LCD TV Repair Tutorial Con Board Common Symptoms Solutions How to Replace...

Sep 23, 2015 | Samsung Televison & Video

1 Answer

How to fix LED TV


Hi,
probably the T con board is faulty. T con broad is the one which drive the LCD pixels. Watch the video to identify the T con board.
Samsung LED TV Repair Con Board Replacement No Picture on Screen Image...
www.electro-medical.blogspot.com

Sep 18, 2015 | Samsung Televison & Video

1 Answer

Vertical colored lines on entire screen, sound ok


Hi.
Probably the t con board of your TV is faulty. T con board is the one which drive the lcd pixels. You have to replace the T con board to get it work properly.
Here i have added the picture of the T con board of your tv for reference.also added the video to know how to replace the T con broad.
RCA L32WD22 T-CON BOARD UT-5531T03088-76J


25856984-hxcf1nwnv1lguy1e3r5wug4i-3-0.jpg
Samsung TV Repair How to Replace Con Board in LJ94 02 705E Model How to...
www.electro-medical.blogspot.com

Sep 09, 2015 | RCA L32WD22 32 in. LCD HDTV

1 Answer

Vertical coloured lines no picture then after half an hour picture comes on.any ideas.


The tv board that called the T-CON it is dying for the tv to causes these problems for the tv colors vetical lines to show up by itself?Yes?If no this tv problems are causes by u or an objects by outer forces like hitting the tv LCD screen panel itself?Yes?Than the tv LCD scren panel itself it is dead and slowly leaking radiations chemicals.Than this tv is not worth repairing,because by replacing the whole tv LCD screen panel are not practical,because a new tv LCD screen panel will cost the same as a new tv.This tv T-CON board sit in the middle at the bottom of the tv LCD screen panel.Tries websites like Shopjimmy.com,Ebay.com to buy a new refurbish T-CON board for the replacement.

Sep 06, 2011 | Philips 32PFL3505D 32 in LCD TV

1 Answer

42" AWA LED LCD TV,


HI:
This maybe due to a faulty T-Con board, this is what I would replace first, since this is the mose inexpensive part in the set, if this does not solve you problem then it is possible that your panel is odefective and needs replacing, if so then it is cheaper to buy a new television.

Apr 27, 2011 | Televison & Video

1 Answer

Lines across screen breaking picture into 4 sections


Based on reported problems with Samsung LCD tvs, It is probably one of three problems:
Separation of layers of the LCD panel;
A defective LVDS cable connection;
A defective T-Con circuit board.
If light hand pressure on the affected area on the LCD panel changes the problem, its the defective panel. If not, manipulating the LVDS cable will reveal the cable defect. If not, coolant spray applied to the T-Con circuit board should reveal if it is defective by temporarily alleviating the problem. Dont remove the back cover if you dont know how to protect yourself from electrical shock hazards. There can be more than 1000 volts in the backlight inverter area.
Jerry S

Jul 28, 2009 | Samsung LN-T4661F 46 in. LCD HDTV

1 Answer

Horazontal line across the bottom of the screen


Have you seen a same problem when playing DVD? If yes, the main board got defected

Apr 30, 2009 | Samsung LN-S3241D 32 in.LCD HDTV

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