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Replacement capacitor information

32" JVC TV - AV-32F703 capacitor blew in location C973 on main board. Don't know what size to replace with.

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There is a wire jumper labeled W624. You will find a ring crack around one leg. This caused C973 (10mfd50v) to explode. It also takes out D432 (NTE519) and Q431 (NTE2416). It can also take out C432 and if C432 (47mfd25v) is bad it probably also opened R449 (8.2K SMD).

Posted on Feb 18, 2010

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32'' jvc tv- av-32f704

Posted on Feb 26, 2008

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It is safe to replace the capacitor with the same ratings.. you can visualize the blown capacitor at its top portion., remove that capacitor and buy same rating written on its body.. voltage and the capacitance.. usually written as 300V and 3300mF.. when returning it, please take note on the diretion,, + and -.

Posted on Dec 30, 2007

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I have a 32" tv jvc iart and horizontal white

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

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...

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.

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