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No vertical output

Audio is ok but only one line at the center of the screen,as per technician check up the ic is burn. So our problem is we dont know the no.of this parts bec. Totally burn.can tel me the label/no. Of this ic? Pls..

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If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/

Posted on Mar 18, 2014

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2 Answers

Why come white vertical line on my t.v screen in center?


You said "I checked vertical output line from main ic pin 23 found correct"

But the problem is "Horizontal Output Line" Try that.

Jan 29, 2015 | LG Televison & Video

1 Answer

Center white vertical line on my t v screen "


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. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
Check the 4 pin connector goes to it deflection yoke; from the main board for any loose solder terminals at the main board side.

Jan 22, 2015 | LG Televison & Video

1 Answer

I have a sharp tv. the problem is when i turn on the unit it shows a single horizontal line then immediately relays clicks then turns to stand by mode. i already change the vertical ic.


Vertical scan output failure. That is the reason for this horizontal line, right across the center of the screen. Check and replace damaged component/s at it vertical scan output section circuit. Check the solder terminals of the vertical scan output IC; for any loose solder points. Contact any service technician, if you're not handy in electronics.
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/
Line, faults & possible causes to TV screen are given with illustrations. You can get an idea about the fault to an extent.

Dec 01, 2014 | Sharp Televison & Video

1 Answer

WHAT IS THIS PROBLEM R805 RESISTOR 33 Ohm BURNING how this solvation sharp tv?


Vertical output IC shorted. Replace it. Before replacing it, check all the associated components connected to its terminals for failure; especially for any zener diodes for short. It is most possible case. Refer its circuit digram [schematic diagram] for more details.
Contact any service technician.
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/

Aug 02, 2014 | Televison & Video

2 Answers

My picture tube displays all black except one thin horizontal line in the middle. There are no horizontal or vertical adjusts that I can fine. Is the picture tube burned out with just this one line?


Hello
A thin horizontal line across the screen denote that the vertical swep or output has damaged, or there are some loose solder points to vertical output section. Loose solder problems are very common to the vertical output sections of most of the picture tube based TVs. Just open your Tv, and pull out the main baord out of it, which has the vertical output section circuit. You must have some knoldge in electronics to proceed. Locate the vertical output section. usually, this section will be composed of an IC, which will be screwed on to a metal heatslink, to radiate heat out of it when it works. Check whether there is any loose solder terminals at this section, especially look for it at the solder terminals of IC and other components around it.
It is very difficult to detect the loose solder points, as some of them may be so microscopic to detect. Just do, what we do at service table, with this type of fault comes to us. Just resolder most of the suspected solder terminals by applying a little more solder without making any sokder bridge short between adjecent solder terminals.
If this does not help you, check the input voltage to the vertical IC. If found OK, replace the vertical output IC. If there is no voltage to this IC, check the track that brings voltage to that IC. Usually, this voltage will come from one amoung the terminals of LOT [Line Output Transformer]. Check the track, rectifier diode, limiting resistor etc. This is really a skilled work, and you should have all tools for an electronic work, and a skill to detect the faulty component. OK

Sep 16, 2011 | Durabrand DWT1905 TV

1 Answer

Unit has sound, no vertical deflection. caps and output ic ok. have b+ to output. nothing at pin 2 of output ic.


If there's an audio,,it might be the defective Vertical IC...but check first if there's 24v-26vdc supply coming from FBT going to Vcc of Vertical IC.

If there's no Audio,and only white horizontal line in the screen,check the Vertical out of Jungle IC.

Good luck!

Oct 12, 2009 | Toshiba 27D46 27" TV

1 Answer

Green horizontal line in center of screen.


Bad vertical output ic. Also, check resistors and diodes around vertical output ic.

Mar 23, 2009 | Sony KP-46V35 TV

1 Answer

Lighted line in center of tv


the trouble of your tv is not a picture tube.it's in vertical section,so check the supply of vertical IC if its ok ,re solder the ic.

Sep 30, 2008 | Emerson EWF2004 20" 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

2 Answers

No picture, screen is dark, but audio and the system control is operational


This sounds like the vertical output IC has stopped working. If the vertical pulses are missing at the yokes then the picture shuts down to protect the CRT's from being burned by the intense thin white line through the center of the picture. I have seen many of those TDA vertical output IC's fail.

Jun 18, 2007 | Philips 51PW9303 51" Rear Projection...

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