Question about JVC AV-35750 35" TV

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My tv screen collapses into a horizontal line in the middle of the screen. Sometimes, after it is off for a while, it will stretch the picture back out, by it's jumpy.

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I also have a 35" JVC that just started doing the same thing. Did anyone post a fix?

Posted on Dec 13, 2009

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1 Answer

Picture goes to a single horizontal line.


Your problem is due to failure of the vertical scanning circuits in your TV. This is quite common and is caused by aging components. Generally drying out capacitors
You got to be careful not to leave it on too long when the picture collapses, it will burn a permanent line across the screen.
If you are an electronics expert you can fix it if you get a schematic. If not please don't attempt to reapir it yourself since there is high voltage in side the TV.
The problem may get worse with time.

Mar 13, 2010 | Toshiba 32D46 32" TV

1 Answer

No picture on my tv and it has a horizontal line mid screen


either your vertical driver or output circuit capacitor(s) defective, try this remove rear cover and with something insulated like a straw prod and poke around the circuit board,sometimes theres a cold solder joint, if picture starts to expand on screen its a solder joint

Oct 18, 2009 | Televison & Video

1 Answer

Picture appears only as a thin, horizontal line...


chk vertical amp /vertical drive i/p from oscillator/power to it/power to vertical amp/chk dry joints-hot area/look at vertcal amp capacitors-swelling etc

Jul 04, 2009 | Akai Televison & Video

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

2 Answers

Black screen with sound only no picture.


I have same problem,it appears to be the flyback
xfr.

Apr 18, 2008 | Hitachi 32UDX10S 32" TV

2 Answers

Picture/image problem


Bad solder connection in the horizontal pincussion circuit.have someone resolder.God luck.4tune

Jan 09, 2008 | Televison & Video

3 Answers

Lost picture


loss of virtical drive ic

Jan 02, 2008 | Symphonic ST419E TV

2 Answers

Horizontal Bright White Line in Middle of Screen.... and thats it.


by the sounds of it the mon is in a word goosed

but please dont open it up to try and tinker with it !

as they hold a charge for a while beware !

Nov 10, 2007 | Compaq FS 7550 17" CRT Monitor

1 Answer

JVC AV-27790 - single horizontal line


Since Intermitant always inspect the vert ckt for bad solder connections. If not replace the output IC they're cheap and most likely the problem If you still have lines on the top or bottom I would replace all of the electrolytic capacitors in the vert ckt also. Without much test equipment rebuilding the whole little ckt is the best way to go.

Apr 24, 2007 | JVC AV-27790 27" TV

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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