Question about Toshiba MV20FM3 20 in. TV/VCR Combo

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TV VCR combo Toshiba MV20FM3

The vertical deflection is overdriving at the top of the screen causing horizontal lines superimposed on the top 4 or 5 inches that are a reflection of what should normally be at the top of the screen.

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Posted on Jan 02, 2017

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SOURCE: Toshiba TV?VCR combo problem

you have bad caps in the vertical curcuit if you open it up you will see a smallmetal square ground sheild in there you will find two red caps look at them very carefully one will be wet it is leaking replac it

Posted on Nov 02, 2007

  • 1 Answer


My television has sound but no picture. I can not program the television because I can not see the screen menu. I also have tried to change the antennae but this does nothing to the picture's reception.

Do you have any ideas to correct this problem. There is no warranty.

Posted on Feb 03, 2008

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I was having the same issue and I've been to several video stores to rent DVDs and 2 out of 3 rentals have the same affect where it is just 'reading' but even worse, it would play fine and then freeze up during the movie- very frustrating. Now, after 3 years of owning it, it died today. They just don't make them the way they used to :(

Posted on Apr 04, 2008

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SOURCE: Screen white line problem.

There are two capacitors in the vertival output circuit that need replaced

Posted on Jun 19, 2008

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SOURCE: White lines accross top of screen on our 27 inch Toshiba,

My Toshiba required replacement of two of the vertical filters/capacitors. Doesn't take long and the parts are inexpensive, but requires a repairman.

Posted on Sep 12, 2008

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1 Answer

I have a tv that has line going side to side

The line is horizontal but means no vertical deflection (set deflects picture from middle to top and bottom.

Either bad solder connections at vertical output chip or a bad part somewhere in that circuit.

Jun 16, 2012 | Toshiba 26 inch HD monitor TV, DVD and VCR...

1 Answer

There is a line down the center of the screen

whether the line-shaped vertical or horizontal? if it appears a horizontal line on your side, it signifies the vertical rays do not exit the screen or your TV vertical part is not working. damage can be caused by IC Vertical, or in the vertical deflection coil yoke.dan if a line that appears is from top to bottom that indicates the horizontal section is not working, usually there is a problem of the deflection yoke is not connected or defective.

Jul 11, 2010 | Televison & Video

1 Answer

Ps 27123 have sound, tuning etc only small horizontal color band

Hello bdedrick708,

If what you are trying to say is that you have a 1/4 inch horizontal line across your screen, this means that something in your vertical deflection circuit has failed. This could be the vertical oscillator, the vertical output processor, the vertical coupling capacitor, or the vertical section of the yoke transformer.

If what you are talking about is a vertical line from top to bottom then you are possibly talking about a failed horizontal section of the yoke transformer.

Why so little about the horizontal section of the yoke? That is because if the horizontal section fails completely then you would lose high voltage and no line would be present because you would not have raster (screen light).

In any even check the yoke transformer first. Then work back from there.

I hope this helps,

Thank you,


Feb 07, 2009 | Proscan PS27123 TV

1 Answer

Lines at top of screen

I have seen issues with complaints of raster with vertical retrace lines at the top of the picture and capacitor 2494 needs to be removed.

Jul 23, 2008 | Philips 27MT3305 27" TV

1 Answer

Screen Smaller on Orion1934" TV

Hello Falken94,

Your TV is losing what is called vertical deflection. This might be caused by the vertical coupling capacitor going bad, or by the vertical deflection coil on the yoke transformer going bad. In any case there is not enough vertical deflection signal getting for the vertical output section of your TV to the vertical coils on the yoke transformer. I would suggest that you get this looked at by a qualified TV technician, due to the nature of this problem.

I hope this helps,
Thank you,

Jun 19, 2008 | Orion1934 19" TV

1 Answer

Jvc av-29ts2ek

It sounds like a vertical deflection problem. You mentioned you had a white HORIZONTAL LINE in the middle of the screen. If this line runs from left to right across the screen it's in Verticla deflection. If it runs from top to bottom, it's in Horizontal deflection. I am assuming the problem is a Vertical deflaecion problem. The repairs necessary are most likley to replace the vertical capacitors or the verticla deflection chip.
Good Luck
NC Electronic Mills, Wyo USA

Jan 05, 2008 | JVC TM-2703SU 27" TV

1 Answer

JVC 27" CRT TV AV-27BP3 display shows single horizontal line

I have a similar problem on my CRT computer monitor (AcerView 76c). It is an old screen and I think it is just at the end of its life, much like your TV. Having some background in physics, I would be pretty sure that the problem is with the cathode ray tube's vertical deflection system. The horizontal deflection electrodes are working while the vertical one is not. This results in a display of a single horizontal line (or in my case, a few superimposed) in the centre of the screen. Where both X and Y (horizontal and vertical) deflectors fail then the electron gun firing would result in a single bright spot in the dead-centre of the screen.

So really, we have no choice but to move on and buy a new set as repair is probably just as, if not more, expensive than replacement with a new device. Seeing as your post was in 2007, I hope you managed to solve the problem.

Best wishes,
SZ (Sydney, AUS)

Dec 24, 2007 | Televison & Video

1 Answer

POP and noothiing

yes it can still be fixed! the pop sound you've heard maybe came from a blown capacitor in the vertical deflection circuits. 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 10, 2007 | RCA E13309 13-Inch Diagonal XL-100 Color...

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