Question about JVC Televison & Video
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Then what happens? Provide more and clear details about the problem you faces with this TV. For what fault; did you replaced this Zener diode? If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Posted on Nov 29, 2014
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Posted on Jan 02, 2017
If the connector at the back of the tube (several wires) is the same, then you should be able to switch the tube if the "horizontal and vertical deflection connectors are also the same. If you are not a tech, you probably don't want to try this, but if the horizontal and vertical deflection connectors are not the same, then you MIGHT be able to cut the 4 wires and interchange the connectors. These wires come from a whole bunch of copper colored wire that is wrappped around the back of the tube. The wires looks like it is not insulated, but it actually is dipped in some sort of "stain-like" insulation very similar to electromagnetic wire. The 4 wires coming from this stained wire are usually white, black, red, and yellow and are usually a little bit bigger than most of the other tv wiring. Sometimes, that all go to the board on one 4 pin connector, whereas sometimes, there will two connectors with two wires each.
If both sets are torn up, then you have nothing to lose by trying. Be very careful about the big red wire coming from out of the glass part of the tube. If you unplug this wire and then touch the glass part of the tube where it was plugged into, you will get a punch of about 12 to 18 thousand volts. It's very low current and a very brief shock, but it feels like you have been hit with a sledge hammer. I have been "hit" once and I promise you, it will never happen again. Take a screw driver and connect a wire to the screwdriver. Connect the other end of the wire to "ground". You should see a bare ground wire wrapped around the tube. Then stick the screwdriver under the flat rubber insulator where the red wire plugs into the tube and you will hear the spark when it discharges. MAKE SURE THE TV IS TURNED OFF BEFORE YOU DO THIS OR YOU WILL BLOW UP THE WORLD! Good luck. Should be a fun project. Just be careful. Keever
Posted on Mar 08, 2008
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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