Question about JVC AV-27230 27" TV

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Tv on with sound but no picture

When turning on TV, there were no pictures (screen is dark) but only sound (audio ok) coming out. What kind of vedio problem is this? Please help.

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  • run zhou Aug 07, 2006

    please help.

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My jvc tv has sound but no picture. Sometimes when I turn it off for a few minutes it has picture then it goes black

Posted on Nov 07, 2011

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I light when it comes to tv repairs but I used to do this few years ago. What electronics components that usually get affected causing this to happen? At the DEFLECTION section I measured AC for 12VAC to 12Vac but at 26VAC I got 49Vac, what could be the problem? Please help may be I can manage to revive the this tv.

Posted on Oct 11, 2012

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One that you cant handlel, many of the conponent of the tv can cause this problem, from the power supply to the picture tube but at this point regular people cant check anything in a tv, get a tech and pray to get a good one, beacouse the price of the repair ...good luck

Posted on Aug 07, 2006

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Posted on Jan 02, 2017

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1 Answer

This is an LCD tv . Toshiba 40xv648u .Audio is good screen is dark. was taking longer and longer to come on.


Since the picture died slowly i suspect a capacitor on the powersupply board,if the screen flashes then goes black and sound is ok
could be the inverter board that drives the lamps.

Len..

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Dark picture


Hmm my dad's old t.v. just cut out on him it took awile to turn on this my be the end of ur tv so this might be a power problem but older t.v. loose there colour on the screen my uncle had a like 10-15 year old t.v the screen was like green when it was light but when u turned of the light or closed the blind's it's picture was ok so try that.

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1 Answer

Turns on But No Picture and No Sound


sounds like it could be a cabling issue, try replacing the cabling (if you have another tv, you can borrow the cabling before purchasing new set of cabling)

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T.V. went off during thunder strom- now nothing(no audio/vedio only clicking.


IN WICH STATE ARE YOU? IF YOU ARE IN MD-DC-VA WE CAN GO THERE AND TRY TO FIX IT


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How to change from tv to dvd mode


the difference between tv and av, is that av has no showers on the screen. if you change to av you will notice a blue screen, connect your yellow on vedio output and white/ red on audio out of tv
note- before connecting to a vedio touch a tip of your vedio cable some lines will show on your screen, if touch your audio tip harming noise will sound on your tv. if this two happens then you know that your cables are okey. hold your channel button on your tv, channel will start runing after all rf channels finish, tv will go to av.

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Ilo 42" plasma flashing screen


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1 Answer

My picture went dark but the audio is ok on Philips model 51pw9303


your tv needs to be taken to tech i is having problem in the video and related circuit.or power supply.good luck

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