Question about JVC AV-27980 27" TV

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No power This TV has always worked fine, but all the sudden it has no power. I can't tell you anymore details since it cannot be turned on at all. We did try all obvious things like it being plugged in, and switching outlets. This was plugged into a power bar/strip (or whatever they're called) with 5 outlets on it and everything else plugged into it is working fine.

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  • Anonymous Jul 06, 2008

    TV Has no power or doesn't show the power is on. Clicking sound inside



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If still under warranty or if you have no electronic repair experience you should take the set back to the shop or to a repair person. Some of the solutions described below can be dangerous, TV's are very hazardous to service. Even when plugged out, TV's can store very high voltages. Could be several things- a 15 cent fuse, some solder joints that fail due to expansion and contraction of the circuit boards. Hard to say. Look for parts that look or smell burnt, might help you narrow it down. Good luck

Posted on Mar 20, 2006


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Posted on Jan 02, 2017


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Lukster is right it is a power supply problem. However you don't need a new board nor do you need to pay someone a ridiculouse abount of money to fix this. I fixed mine for 40 cents.

You more than likey have bad capacitors.
Unplug the TV from power. Remove the back cover. (some models require a star srewdriver) You power supply board is right in the center. A bad cap is bulgded or raised. A good one is flat. caps have an X on the top of them. More than likely you will see a bulding or just straight raised edges on the X on the top of the caps. Cap 3300uf 10v is the ones you are looking for. Once you find them replace them with 3300uf 16v caps. If one cap is not raised replace it anyway. These caps need to be a higher voltage that why the tend to pop. 16V is plenty, don't go any higher in voltage than that.

The caps need to be soldered on. You have 2 options do it yourself or unplug all the wire harness from the board then unscrew the board take your power board (dont forget your new caps) down to a pc repair or tv repair and have them solder them on for you. It will take less than 10 minutes. I do recommend putting the board in an anti static bag. You can buy these caps at radio shack or buy them on ebay.

After you get it repaired replace your board plug all power supply wire harness back onto the board (I recommend numbering the wires as you remove them), replace the back panel cover. Plug her in and fire her up. and BAM it works. then turn it on and off a few times in complete amazement at how simple and inexspensive this was to do. Then get angry cause your repeated calls to tech support was wasted breath.

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