Question about Standard (CRT) Televisions

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Vertical line in the middle

I have a vertical line in the middle of the screen. do you think the picture tube went out?

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Not the picture tube; vertical failure. Vertical IC and probably capacitor that caused it to faill. In some cases just resoldering veritical IC pin connections

Posted on Jun 28, 2008

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When i turn it on it has an horizontal blue line in middle of screen then comes on, when shut down it has the colors in the middle in tight formation then suts off. is it the picture tube


the set having blue scteen when the nosignal condition so blue horizontal line due to failure in vertical deflection section and system control detect the vertical delection failure . so system control farce to set to shut down pls repair the vertical section and system should be ok

Aug 26, 2010 | Samsung SlimFit TX-S3082WH 30" TV

1 Answer

Good sound no picture just line thru middle of screen


If the line is going across the screen from side to side that means you have lost vertical deflection, and you don't want to run the set like that because you can burn that line into the picture tube. Most likely would be the vertical output ic, probably with a 400 location number, example IC401, could also be a capacitor in the vertical circuit most are close to that IC.

Aug 28, 2009 | Mitsubishi Standard (CRT) Televisions

1 Answer

No picture no sound


Did you mean the picture is collapsed only in the middle horizontally(white line appears on the middle part of the screen)?
If that is the case, maybe vertical IC failed or loose connection.

Apr 05, 2009 | Toshiba CF32H40 32" TV

3 Answers

TV: bright line across black screen for several hours.


vertical output ic needs to be resoldered. careful leaving that bright line displayed on the screen as this will cause a permanent phosphor burn into the tube. this can not be corrected once burned unless you replace the tube. mch

Mar 08, 2009 | JVC Standard (CRT) Televisions

1 Answer

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

Dec 19, 2008 | Standard (CRT) Televisions

2 Answers

Tv cannot display only a line in the screen


for short circuit it will show  like this if no short circuit
i think ur tv display tube has dead if it is in warenty pls exchange the tv

Jul 31, 2008 | Sharp 25R-S100 25" TV

1 Answer

Toshiba 32A40 32" TV Problem


does any one can send me the schematic of TOSHIBA 32A40? I have a vertical problem and I need to locate the vertical IC or trancistor.
I only see a horizontal line on my Tv.

thanks.
teranco@hotmail.com

Jul 13, 2008 | Toshiba 32A40 32" TV

2 Answers

10 yr old emerson tv


The problem you are having is a vertical deflection problem. The screen is being compressed to a thin white line. It's probably a defective vertical output module or transistor. This part is not too expensive. Less likely would be a vertical deflection coil, which would be more expensive because its usually glued to the picture tube and harder to replace. You'll need to take your set to service center to have it serviced.

Good Luck!

- Jim

Feb 08, 2008 | Standard (CRT) Televisions

1 Answer

Verticle hold transistor?


The vertical hold keeps a normal picture from rolling either up or down. You don't have a normal picture (raster) here.

The problem you are having is a vertical deflection problem. The screen is being compressed to a thin white line. It's probably a defective vertical output module or transistor. This part is not too expensive. Less likely would be a vertical deflection coil, which would be more expensive because its usually glued to the picture tube and harder to replace.

Good Luck!

- Jim

Jan 24, 2008 | Standard (CRT) Televisions

1 Answer

Tv not working


this symptom, sometimes called the tube light effect, it is characterised by a bright thin horizontal line across the middle of the screen. this symptom is caused by a breakdown in the vertical deflection circuit. hence maybe the trouble maybe in the vertical oscillator, amplifier or output circuits. but if all i have said is not clear to you, better bring it to a qualified tv technician. good luck!

Mar 08, 2007 | Sanyo DS31590 31" TV

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