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Screen Problem My flat tv have problem screen look like line on it. is that bad t-con board? Do I need that part check on link here is

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If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Posted on Dec 04, 2014


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Good luck!

Posted on Jan 02, 2017

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SOURCE: got a new T-con but no luck

is your back light constantly on when you are not changing channels.if so replace the main board. can you see a menu if you hit the menu button ? that is generated by your main board..... replacing the t-con will only correct vertical lines in the pic.

Posted on Feb 28, 2009

  • 26 Answers

SOURCE: The power supply on my Akai LCT2662 (Flat screen TV) has gone bad

I can repair your power supply. Mail your old one to me and I will exchange it with a refurbished power supply. E-mail me:

Posted on Oct 02, 2009

  • 1 Answer

SOURCE: LTV-32w1: Vertical scrolling on screen. Already

Rolling or sync bars can be caused by bad caps in the tuner. I also had a brown film all over my board. Clean with alcohol and repace the 2.2/50 caps in the tuner. l

Posted on Mar 07, 2011

  • 2098 Answers

SOURCE: Hello, I have a Panasonic TH-50PZ800U

Hi Aaron,
2 blinks error code is definitely a 15VDC SOS detect, but this error code does not means that the fault was came from the D board alone. Remember that this is a supply voltage issue also. In the service manual, stated there that the test point is in the D-board (not specifically replaced the D-board).
Let me know the reading in the connector (P25) pin #1&2 in the D-board to assist you further.
Also just for the confirmation of 5vdc, let me know also the reading in (P25) pin #5&6 in the D-board.
Note : to have an accurate reading, place the test prod of your multimeter on the test point prior from powering on the unit because the supply voltage will cut-off after the self test.

Posted on May 24, 2011

  • 8457 Answers

SOURCE: What is the TV Tuner Signal Board part number for the Sharp Aquos LC-52d64U?

That the board which it have a square aluminun box at the edge of the board with a rounded bolt sticking out for inputs like ANT. input and AV inputs for like wires components inputs like multi colors like YRW,YRWGP holes for AV inputs also have HDMI hubs inputs for the high Def Pic.There are 6 HDMI inputs hubs for the tv Sharp Aquos LC-52d64U.Tvs Tuner board signal boards are also have to been known names to called as the tvs Main Logic boards and the tvs Mother boards also.U are fixing ur tv u must have to take it parts already.U can also compare the pictures between the tv Tuner signal board u are taking aparts out of the tv and the tv Tuner signal board you are buying they'll look axactly alike.The sticker of the serial numbers of the boards a few numbers in the begining on the tv Tuner signal boards should be the same also.

Posted on Dec 06, 2011

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SAMSUNG - UE40F6670 LED TV - I have thin black horizontal lines appearing in upper half of screen. They get lighter as the TV warms up but don't go away.

IMPORTANT: Horizontal lines on the screen are virtually NEVER caused by a bad T-con board. Horizontal lines indicate a defective LCD panel (screen). Check ribbon connectors coming from screen and the T-con board first but likely the Panel.

Dec 28, 2016 | Samsung Televison & Video

1 Answer

Why does my sanyo flat screen TV have vertical coloced lines on screen with no picture?

Check the ribbons going in between the boards and "work" them to clean up all connections. And on the main board look for possible bad caps.

Your t con board is responsible for all picture distortions but not the vertical lines you described.

Feb 25, 2016 | Sanyo Televison & Video

1 Answer

What can I do to repair a vertical stripe on my LED TV??

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent. Line faults to all LCD screen are similar, irrespective of its brand and screen size.

Jan 25, 2016 | Televison & Video

1 Answer

LG LCD TV 42LK450 - Sound but screen is black..

Sorry but you have a bad panel. Repair cost is prohibitive. The T-con was a good choice, but is the last step to the panel.

Feb 13, 2014 | LG 42 42LK450 42 LCD TV

2 Answers

Hannspree 28 Inch Lcd Tv Model Number HSG1075

Check its Chroma section circuit for fault. Most possible cause is damaged chroma IC.

Aug 09, 2012 | Hannspree Televison & Video

1 Answer

No picture, lines displaying

The only board that conttrols the HDMI function on this TV is the main board. The lines on the screen can be caused by this board as well or a bad t-con board .

Here is a link for both boards : Main-

T-con -

double check your part numbers.

Jan 06, 2012 | LG 42LB4D 42 in. LCD HDTV

1 Answer

Samsung LN46B650T1FXZA has vertical lines. What part needs to be replaces? Thanks, Nina

This might be a bad T-Con Board. This is the board that is in the middle top side of your TV. It connects to your main board (with the hdmi inputs) to the LCD Screen. Your TV has a major issue with the T-Con Board going back. The T-Con for that TV is avaialble here 55 46T03 C11 Samsung Con Board for LN46B650T1FXZA

Jul 23, 2011 | Televison & Video

1 Answer

I have a 42JC2D TV. Vertical color bar lines

It is hardware issue related to LCD Panel (screen).
Regarding fixing it, it depends if you are handy with electronics stuff repair and can replace circuit boards in tv etc then please check T-Con (lcd controller board) on top center position at rear of lcd panel, this board would be covered with metal shield. Need to take off back cover of tv to get access to T-Con board. If T-Con board does not solve lines problem of screen then LCD Panel is bad and will be replaced.
If you fee uncomfortable doing so then repairman option is better choice.
Hope this info will help you.

Feb 27, 2010 | LG 42LC2D 42 in. LCD HDTV

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