Question about Samsung Televison & Video

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I have a samsung that has a single horizontal line running through the middle of the screen #UN40FH6030F

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Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/ Type in this key phrase " my service table today " in the search box at the top right of the the home page, to get gathered some pages which has the details of practical experiences of the author of that site. The search result will display about 20 Nos of related posts. Press the "All posts" at the bottom of the list, then you can select them one by one.

Posted on Dec 31, 2016

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 45 Answers

SOURCE: Nopicture

No vertical deflection. Vertical output IC, caps.

Posted on Nov 25, 2007

yambo
  • 230 Answers

SOURCE: Thin Horizontal line through tv blank screen.

Replaced vertical IC ( la78041 ??>.. Or La78040 ). Look for born resistor beside IC. Replaced capacitor 100uf 35V too!!! Good luck !!

Posted on Jul 24, 2008

wyoed1
  • 211 Answers

SOURCE: Picture on RCA TV shrinks to a horizontal line

Hello,
Sounds to me you have a cold solder joint ( loose solder connection ) on the printer circuit board around or on the vertical chip or on one of the vertical capacitors. You may also have a bad vertical chip or a bad vertical capacitor, but I doubt it since it did come and go. I'de get a soldering iron and some solder and touch up the connections. I will remind you that you need to always excersise saftey by making sure, before removing the back, unplug the TV from the wall, and use care not to come in contact with the large red wire going to the back of the picture tube as the picture tube can be turned off and still store lots of voltage ( up to 35,000 volts). Always stay safe and when soldering, use care not to run solder across places that will make a short.
Good Luck and I hope this helps
Ed Meshechek ( Radio Man )
NC Electronics
Mills, Wyoming
307-266-4675

Posted on Dec 19, 2008

ctc1234
  • 26 Answers

SOURCE: We have perfect sound but only a thin horizontal line in the middle of the screen.

this is a capacitor that has gone bad in the vertical delfection stage of the tv. it is an very easy and cheap fix if you know someone who knows how to solder and replace electronic components. If not then you'll just have to get another tv as taking it into a tv repair shop is not worth the cost. You could get another tv for what they will charge you to repair it,

Posted on May 31, 2009

  • 11800 Answers

SOURCE: tv screen is black except for 1 horizontal line of color

The line is there because the vertical deflection unit - the one that spreads that line across the entire screen to form the image - has failed. Replacing it is a job for a professional, or at least an experienced amateur, and the parts will be quite difficult to find for such an old tv . 

Posted on May 28, 2010

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2 days ago, a narrow black horizontal line appeared in the middle of the screen.


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2 Answers

TV has a great picture but wont "hold it". Keeps going to a single flat horizontal line across the middle of the screen. Tapping on side of TV used to bring it back but now, nothing. Just a line.


Vertical scan output section circuit fault. Absence of vertical scan causes the single horizontal line on screen. Horizontal scan output section is OK. Contact any service technician to troubleshoot the vertical scan output section circuit. If you wish to get some details; check the site linked here. Pull up older posts.Surf the site with patience.http://electronicshelponline.blogspot.com/
Horizontal line fault to CRT based TVs are given.

Oct 06, 2014 | Televison & Video

1 Answer

Single horizontal line


you need to replace the horizontal integrated chip (IC), but can be done by only the expert technician. and the availability of IC for monochrome monitor is very rear.

Aug 21, 2012 | Goldstar MBM-2195A Ttl Monochrome Mga...

1 Answer

Toshiba TV picture has become single horizontal line in middle


this problem is caused by a faulty ir of cap's . First is c408 on the board it is a 100uf @ 35v i replaced with same uf and @ 50v , Second is a 2.2uf @250v and is c410 on the board replace both and your off to the races.

BEWARE OF HIGH VOLTAGE EVEN IF UNPLUGGED


BROUGHT TO YOU BY WWW.JCEWASTE.COM

Jul 22, 2010 | Toshiba 27AF43 27" TV

1 Answer

Tv screen is black except for 1 horizontal line of color


The line is there because the vertical deflection unit - the one that spreads that line across the entire screen to form the image - has failed. Replacing it is a job for a professional, or at least an experienced amateur, and the parts will be quite difficult to find for such an old tv . 

May 28, 2010 | Panasonic CT-36DV60 36" TV

1 Answer

Single horizontal line in middle of screen


Yeah, thats the tube, buy a new one. It's 15 yo anyway, let it go ;) Best of luck!!

Aug 31, 2009 | Televison & Video

1 Answer

2 Problems - Small white horizontal line. Black Lower part of screen


Try changing the TV's display format from widescreen to fullscreen.

Sep 21, 2008 | Samsung SPN4235 42 in. Plasma HDTV

1 Answer

Philips monitor problem


Check that the pc to monitor vga lead is not loose at both ends, check your graphics drivers are upto date, although it could well be a monitor fault and replacment required, as don't think they are worth reparing these days

Nov 02, 2006 | Philips Business 104B Monitor

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