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I have a JVC LT-32x38 that turns on and displays an image for a second but then goes blank and outputs sounds only.

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Sometimes the picture goes out but the screen is still lit(backlight on), if totally dark like TV was turned off then check voltages in the power supply board(24v, 12v, 5v) if all ok replace the inverter.

Posted on May 27, 2009

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Jan 11, 2016 | JVC Televison & Video

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I have a JVC LED TV (LT-42X579). The screen goes black intermittently and then comes back after a few seconds. This happens with my PS3 (component) and antenna feed (COAX). Any sugestions?


Hello, do you keep the sound? if you do, take a flashlight when it goes out and shine it across the screen, can you see a dim image? if you do the L.E.D. driver/power supply board may be bad. let me know....tks

Dec 31, 2014 | JVC Televison & Video

1 Answer

Blank screen


Any error message about inputs? Maybe that clicking sound happens when iit connects to the selected input, but nothing is connected. Can you scroll thru all the inputs? If so, turn on any devices connected to the JVC and scroll thru each input to find the one you're looking for.

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JVC LT-24HD32J TV SCREEN GOES BLANK AFTER 10 SECONDS WITH JUST THE SELECTED CHANNEL DISPLAYED.


Good day!!!


That problem is usually cause of faulty capacitors on the power supply board..

Just follow this instruction to fix your TV..

1. Open the back cover of your TV.
2. Look at the power supply board..Its normally connected to the power cord..
3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
5. Some of the capacitors not bulged so its better if have a capacitance meter

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1 Answer

JVC LT-42E488. No picture. JVC logo comes up for a few seconds.


A firmware update might fix it. Call an authorized servicer, explain the symptom.

Jan 16, 2010 | JVC LT-42E488 Television

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You most definately have bad capacitors in the power supply. try and get it repaired as soon as possible, not an expensive repair that iv'e seen.

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Hi , I have the same problem with my LT-42X688,so i called the service of my extended warranty provider . the TV technician just left and told me the motherboard is the problem. he said its the third one this week he has seen with the same symptoms. he ordered the motherboard and i've got to wait 5 to 7 work days before the part will be in . I will keep you posted when the guy will return.

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2 Answers

Picture for 1 second then screen goes blank but still have audio


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1 Answer

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It sounds funny but, unplug the set for 30 seconds to allow the TV to reset then see if the problem still is there.

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