Question about Toshiba 36AF43 36" TV

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Toshiba 36AF43 36" just has white line in the center

My tv stopped showing picture just has a very thin white line in the middle of the screen. it did this once b4 nd i wacked the side and it came right back on but that only worked once now i just have sound.

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  • Emmakins97 Nov 05, 2007

    I have a Hitachi 28" colour TV about 10 years old, which has been working great until I put it into the conservatory. Now when I try to turn it on via remote control it clicks a bright vertical flash appears in the middle of the screen, then switches off again. No picture. Does this each time I try to turn it on. If I am lucky after about the 20th or so attempt I do get a picture, this then can stay on between five minutes and a couple of hours. When there is a picture it is perfect



    Is it worth repairing

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Vertical output IC has loose solder joints.if you continue to let it operate this way it will etch a burn line across the face of the tube so discontinue use.

Posted on Aug 23, 2007

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Posted on Jan 02, 2017

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LG 32LH30 LCD TV Problem


IMO Seriously for $119 it's not worth it.
However, it does sound like a capacitor problem
If you are "Serious" about fixing I'd find a TV repair Forum.
Else I'd go here and get a new one.
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Thin white line on right side of tv intermittent


The only easy hope here is centering is off just slightly to the left and the line etc will show on certain scenes and or channels.

Not sure if this set has a centering in customer menu or maybe in the tech menu---a call to sharp might answer this for you.

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I got multiple thin colors on the middle of the screen


My 3-year old 52-inch Toshiba flat panel TV (Model # 52RV53U, Serial # AM409000295) developed a display issue (purchased Aug. 2008, manufactured July 2008). Vertical multicolored lines appeared on the screen just left of center. The band of thin vertical bars is 5.5 inches wide. The lines are about 1/16-inch wide. They are stationary, always exactly in same place. They over-ride any other picture on the screen (no transparency). They are there all time even with no video inputs to the TV after the unit is turned on. See picture #1. The TV works well in every other respect, but, obviously, it is annoying to watch the picture with the color band blocking about 1/6 of the picture.

Further info, pics, comments, and updates on my Facebook page at

http://on.fb.me/mVwhVN

I already swapped out the TCON board with no improvement and replugged the TCON board cables with no improvement.

Most likely it is the flat panel tab bond failure (panel made by Samsung). Further updates will be on my Facebook page.

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1 Answer

Only thin white line across my toshiba tv


This is an easy repair if you've ever soldered and would not be too costly for a repair shop to do it for you. The problem is a bad Vertical Output IC (usually mounted on an aluminum heat sink with the part on it labeled LA78?? ) and 1 or 2 bad capacitors. Some times you can even fix the problem by re-soldering the contacts of the IC- To find the IC follow the 4 wires that come from the Yoke (which is a contained coil of wires slipped over the neck of the picture tube(s)) back to the board. 2 of the wires go to the horizontal o/p and 2 to the Vertical o/p the thinner gauge wires are for the vertical.

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Toshiba 27D46 Black Screen - White Horizontal Line


I fixed the problem by taking it to a repair shop

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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.
Please let me know if I can be of further assistance to you.
Good Luck!

- Jim

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1 Answer

Tv trouble


Sorry, I can't help you with the computer password issue but I can help you with the 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

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1 Answer

Thin horizonal line in middle on dark screen


The several thin white lines at the top of the screen is the warning that the vertical output IC is not getting the boost voltage it needs to run correctly. The IC cannot operate for long like that and shorts out inside, which is when the vertical collapses altogether and you get the thin white line through the center of the screen. The good news for your son is that he had nothing to do with that, and it has nothing to do with the cable F connector. The set needs to be serviced by an experienced tech who will restore the boost supply and replace the vertical output IC, and when I do that I charge $75 but techs in your area will vary, so be sure to ask around.

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1 Answer

Thin horizontal line across picture


I really dont understand the problem Could we see a picture of this please?

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