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I have a 27inch samsumg that has a horizontal line i change the vertical ic two of then but still have the problem

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Hi there.if the original ic was faulty,its most likely that the supply fusible resistor has failed...it will be only a few ohms and stems from one pin on the line output transfomer.check the ones with two gold bands on.if your set uses the tda3654,this is a very common problem as the ic was not designed to run low impedence scan coils used on philips tubes..hope it helps.. steve

Posted on Sep 11, 2010

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1 Answer

How to solve horizontal lines on a CRT TV monitor and what could be the possible courses for it


Monitor horizontal lines problems usually caused by a defective vertical output/driver ic. A missing supply voltage to the vertical output ic may caused similar faults which is one horizontal line across the display. Dry joints and missing vertical output pulse from vertical oscillator ic also could contribute the same symptom. If you discovered that the protection resistor (usually from 1 to 4.7 ohm) open circuit or burnt, then replacing it won't solve the problem. The resistor burnt or open circuit was due to a short in the vertical output ic. Thus you have to replace the vertical output ic and the burnt resistor together before you switch on the monitor.

Jun 12, 2015 | Televison & Video

1 Answer

Where is horizontal scan out put section?


Hi Majid
Just contact any service technician to repair your TV. It will be best for you.
Gopakumar Gopalan Google

Feb 01, 2015 | Televison & Video

1 Answer

No vertical output, but vertical ic workng fine,vertical supply ok,


Touch the input pin of the vertical IC, by the blade of the screwdriver, and see whether there is a tendency to change with width of the horizontal line on screen. If so, check and replace the horizontal, video if, vertical oscillator jungle IC. Check the frequency to the input of the vertical scan IC, with a frequency meter. If there is frequency, and still no vertical scan output, check the yoke connection, and make sure that it has no open circuit. If you wish to get some details, http://electronicshelponline.blogspot.com/ Pull up older posts.

Dec 18, 2013 | Televison & Video

1 Answer

Tv has horizontal line in middle of screen,sanyo ds25390


hi if only a horizontal line across with no video anymore, you have bad either vertical ic or no dc supply b+( vertical ic ) or no output dc coming from the ic. if it is not totally a horizontal white line and you can see a video you must check leak or bulged capacitors at the vertical section near the vertical ic. hope this can help good luck.

Oct 02, 2012 | Televison & Video

1 Answer

Horizontal line


Basing on your post : Horizontal line ,

check vertical deflection circuits

( includes IC, capacitors , resistors % foil paths ) , up to the yoke.


Could be just a cold solder joints on Vertical IC, open resistor,

leaky capacitor or both




Have voltage :


On most the supply line of vertical IC is +24V

Aug 14, 2012 | Televison & Video

1 Answer

I have a thin line in my tv and i dont know what ic no.to replace?


The fault is a failure of the deflection circuit and since you have not specified whether it is a vertical or an horizontal line the section failed will be related to the position of the line.
If horzontal the vertical IC or the section related is faulty and if Vertical the horizontal section., Now this can be the deflection IC, teh deflection coils or even discrete components like capacitors or resisitors in this section which will require a signal trace with a voltage test before the absence of the sync pulses are confirmed and the section identified.
I request not to change the IC unless it is proved but you can solder the vertical IC or the section concerned -- if there is dry soldering.

Aug 25, 2011 | Toshiba 32A50 32" TV

1 Answer

When watching movies on my computer, I am getting a weird line through the middle of the screen at times, also, when things are moving on screen faster, more lines seem to show. I guess they don't really...


i think your vertical IC ( if vertical lines are shown) / horizontal IC ( if horizontal lines are shown) of your monitor has damaged. you may contact a mechanic and change the corresponding IC

Sep 16, 2010 | CTL 261UW 26Inch Wide Screen LCD Monitor...

3 Answers

My 15 year old Toshiba Televisiononly shows a narrow horizontal band in the middle of the screen. Sound OK.


Hiii fairley,

You aren't specsificly dercribe yor tv set.
For common TV horizontal problem ;i.e : White line accross the horizontal screen, horizontal band,etc..it's can solved by replacing the IC Vertical/Transistor, and olso to replace the cap nearest the IC.

For common TV Vertical Problem :i.e : White line at the center of the screen (top to bottom),Vertical band,etc...It's can cure by Replacing the Horizontal IC/Transistor,and offcurse the cap's.

Tha's what all I know....

Hope can help you to solved the problem.

Thank's

h3liax

Jun 22, 2009 | Toshiba 32A33 32" TV

1 Answer

Tv doesnt come on after replacing verticaloutput ic


When you replaced the IC did you notice the polarity? There is a notch or an indent circle and it has to go back in the direction that the old was removed. Was it the exact replacement? Some substitutes do not work.

Feb 12, 2009 | RCA F32648 32" TV

3 Answers

Screen only showing single line of video in center.


hi there, is the single line horizontally or vertically? if horizontal line, you do have a vertical section problem, check some parts at vertical section, the vertical ic, the power source of vertical section ie diode & resistors. ty

Dec 26, 2007 | Zenith Z32X31D 32" TV

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