Question about JVC AV-32F704 32" TV

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JVC TV Issue

This morning I got up and turned on our JVC AV-32F704 television and walked into the kitchen. I could hear the tv was on but when I came back into the living room I noticed there is no screen. It is black, sound only. I have tried messing with it but nothing seems to help. The TV is only a couple years old so I am not to happy at the moment. I do not think there is a repair man in our town so I am not sure what to do. Any suggestions? I am guessing picture tube but I have no idea. Thanks

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  • Bert Mar 08, 2008

    Have same problem on a AV-32F703. Diagnosed and found it to be a short between G1 and G2 in the picture tube. Presumably some crud. Zapped it with a charged cap and a perfect picture came back -- for about 5 minutes then black again. Checked again and a 1K short was back between G1 and G2 grids. Zapped again but now picture is very bright -- appears to have a very high resistance short between focus and screen grid now. Probably splattered the crud onto the focus grid. Was worth a try.

  • mroberts19 Sep 27, 2008

    Same problem. No picture, but can hear sound. Did you get it repaired and what was the outcome?

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The problem with your tv is in the video circuit the ic or transistor needs to be replaced there is a box on the fixya home page just enter your zip code in the box and it will help you locate a repairman in your area.good luck.

Posted on Apr 14, 2007

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