Question about JVC LT-42X579 42 in. LCD TV

1 Answer

Blinking blu light on JVC LT-4TG30J

Was working absolutelly fine now its just stuck on standbt blue flashing light. no response

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  • JVC Master
  • 14,553 Answers

Its not making it out of standby, you could if can safely get it apart (ask if in doubt) inspect the power supply board for damage or puffed up filter caps, then consider having a shop look it over--All makers only sell circuit boards and no individual parts.

Posted on Dec 11, 2012

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: My JVC LT-47X579 is not "turning on" since we

hmm i had the same problem the saturday before on my lt-42x579but i didnt have anything hooked up to it blue light came on then flashed ..no pic this happend one week after it was pd off from a rental store we should investigate

Posted on Jan 03, 2011

  • 105 Answers

SOURCE: JVC LT-32P679 Blinking Power Light, Automatic Shutoff

1. Hold [menu] and [vol-] button on the side of the TV
2. while holding these, press the [power] button on the side of TV (NOT remote)
3. blue light comes ON and stays ON
4. wait 10 seconds then let go of [menu] and [vol-]
5. wait another 30 seconds and some type of picture should appear

I think this is right. I got it from the JVC call centers guys so sorry if I missed or messed up a step.

Posted on Apr 29, 2009

josetejas
  • 300 Answers

SOURCE: 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.

Posted on Jan 29, 2010

  • 10 Answers

SOURCE: i have a jvc lt-26a6asj

hi, the most probably is broken one of neon lamps that illuminates led display .you can check that when you turn it on and flashes, see if one side of screen is brighter then other. also,it can be that power supply in led display got weakened and haven`t got enough power,but that is job for service like any bigger failure.
this is not the only answer,there is always several solutions but you have to give more informations about malfunctions. good luck!

Posted on Feb 27, 2011

Slinteriors
  • 8617 Answers

SOURCE: MY JVC LT-40DG20J DOESN'T COME ON

That could be a main board issue or a power supply issue. I would check the power supply for the stand by voltages and see if any are missing or low

Posted on Nov 05, 2012

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1 Answer

Lt-427tg30j jvc 42 inch blue blinking light


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. Viewing it in "Mosaic" or "Magazine" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

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1 Answer

Jvc lt 42tg30j


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power led, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

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1 Answer

MY JVC LT-40DG20J DOESN'T COME ON


That could be a main board issue or a power supply issue. I would check the power supply for the stand by voltages and see if any are missing or low

Nov 04, 2012 | JVC LT Televison & Video

1 Answer

My JVC LT-47X579 is not "turning on" since we


hmm i had the same problem the saturday before on my lt-42x579but i didnt have anything hooked up to it blue light came on then flashed ..no pic this happend one week after it was pd off from a rental store we should investigate

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Ur power ic inverter board is dead.
U need new one.

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This is common problem of the failure of power supply board inside TV. You need technician to figure out this problem.

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4 Answers

JVC LT-32P679 Blinking Power Light, Automatic Shutoff


1. Hold [menu] and [vol-] button on the side of the TV
2. while holding these, press the [power] button on the side of TV (NOT remote)
3. blue light comes ON and stays ON
4. wait 10 seconds then let go of [menu] and [vol-]
5. wait another 30 seconds and some type of picture should appear

I think this is right. I got it from the JVC call centers guys so sorry if I missed or messed up a step.

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1 Answer

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I have a 61" JVC that just stoped working. I turn it on and nothing bu the blue light stays on and the red light blinks 8 times and then the blue light joins in.

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