Question about JVC AV-32F703 32" TV

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I have a JVC AV-32F703 tv just replaced the vertical IC tv comes on but immedeatly goes into shut down mode by what could the problem be? Retrace lines was on top of picture before it started going into shut down mode.

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Chances are you should have checked some components related to that IC,namely an electrolytic capacitor.They tend to leak or short.That IC burned for a reason.

Posted on Sep 25, 2010

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Posted on Jan 02, 2017

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The vertical ic of my jvc tv model no. av f21mx5 are always burn even i replace a new one


Just check the supply voltage input to the vertical IC. If it is more than normal, this type of fault can occur. Just compare this voltage . The TV schematic will help you to find this detail. Check whether the IC is firmly screwed on to its metal heat sink.

Jul 03, 2012 | JVC AV-20020 20" TV

1 Answer

Will not always power up, just clicks and power light flashes. Vertical retrace lines at top 2" of screen. Keeps shrinking and goes completely away after about 5 minutes.


The JVC sets are well known for this type of problem, the tv has a vertical deflection issue needs a few small parts and a touch up on the vertical ic, causes the set to shutdown. I recommend a tv technician for the repair.

Jan 14, 2011 | JVC AV-27750 27" TV

1 Answer

I have a 32" tv jvc iart and horizontal white


Hello
You are seeing vertical retrace lines. This faut is due to the vertical output section inside your TV. To rectify this fault, you must open your Tv. Just open it after unpluging it from the wall power socket. Locate the vertical output section on the printed circuit board.
It is easy to locate. You can see four wires goes from the deflection yoke; the coil fitted around the neck of the picture tube. Out of which two of them will be thick, usually red and blue coloured, and the other two will be thin. These two thin wires are for vertcal scanning. Just follow these two thin wires, and you will reach a point where these four wires are pluged onto the main circuit board, very near to the LOT. Upside down the printed circuit board, and follow the print of that two thin wires, and you will reach to the vertical output section of your Tv.
Before doing anything, just look for any loose soldering or bad solderings there. It is very difficult to find out loose solderings, as thay will be microscopic, I advice you to resolder most of the soldering points there by applying a little more solder; without making any solder short. Resolder all the pins of the vertical output IC, and see the effect.
If this does not help, replace the two or three electrolytic capacitors, at about 1000MF to 2200MFD there, with same capacity and voltage ratings. Make sure about their polarity, as electrolytic capacitors have both positive and negative terminals like torch cells. Note the polarity when resoldering them out of the board. This must solve ypur problem.
If you need anymore asistance, feel free to contact me through Fixya. OK
Wish you sucess.

Dec 11, 2010 | JVC AV-32F703 32" TV

1 Answer

Video just reduced to a tiny horizontal line across the screen. sound is fine, what could be the problem? jvc tv model av-32720


You have a bad vertical IC at its worse or one that may need resoldered. Be sure to check the grounds on this IC and check for rings around the pins. And you can bet in the immediate area you have bad capacitors that created a hot vertical IC. This will cause the Vertical IC to break down!

May 02, 2010 | JVC AV-32720 32" TV

1 Answer

Our JVC AV-32F703 has a black screen when we turn it on. The sound works fine. What could it be? The tv was purchased in Jan 03


try up the screen bottom in the fly back. if yoy see a white horizontal line the tv have a cold solder in vertical ic or is bad.

Apr 14, 2010 | JVC AV-32F703 32" TV

1 Answer

AV-32F703 has redish flare upper right corner. Is


bulb problem. needs to be replaced. the tv looks a little old maybe yu need a new v for once.

Feb 17, 2010 | JVC AV-32F703 32" TV

1 Answer

No picture


try resoldering vertical output ic pins, no vertical deflection will shut off picture. may need ic replacing along with electrolytic cap.

Apr 22, 2008 | JVC AV-32260 32" TV

1 Answer

JVC Television Model AV 27820


One or more of the electrolytic condensers near the vertical ic are bad

Nov 20, 2007 | JVC AV-27820 27" TV

1 Answer

Jvc AV-36f802 not power up, automaticly shut down within 2 seconds


Hi, You may also want to check the Vertical IC. In some units I've worked on, failure or cold solder in the vertical IC triggers protection. Good luck and cheers.

Aug 15, 2007 | JVC AV-27820 27" TV

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