Question about JVC LT-42E478 42 in. LCD Television

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Jvc lt-42e478 gennessa tv black screen and green blinking light

Whats wrong

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  • JVC Master
  • 14,553 Answers

Start with an examination of the power supply, burnt parts or puffed up filter caps---the set is not making it out of standby to on.

Posted on Dec 12, 2012

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 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

  • 105 Answers

SOURCE: Image dosent turn on

necesita una PCB de T-Con. Estas una PCB que reprodicir la video para la pantalla de LCD.

Se venden unos en Ebay pero si no esta Technico es mas mejor que Se vende la Televisor.

permite me espanol por favor!!

Posted on May 27, 2009

  • 105 Answers

SOURCE: Newer Jvc tv wont turn on

1. hold the [vol-] and [menu] button.
2. while holding those, press the [power] button and let go of the [power]button only
3. wait 5 seconds then let go of [vol-] and [menu]
4. wait for a while(approx 30secs).....do you get a picture

This works for the JVC models that end in "9" and end in "0"

Posted on May 27, 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

hardrocko
  • 1476 Answers

SOURCE: My flatscreen tv is distorted

Speakers can cause problems with the correct display of video on TVs but usuall it only concerns direct view tv. Projectors should not have any problems or flat screens. I think you have a different problem Explain better what you mean by distortion in the JVC. Let me know and I will try to help you.

hardrocko

Posted on Feb 06, 2010

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Jan 18, 2016 | JVC Televison & Video

1 Answer

Why can't I use the HDMI port on a JVC LT-42E478?


your hdmi is not connected tight or the cable is bad,or it is dirty,use canned air to clean out plug.extend your comp screen to the tv

Jul 14, 2015 | JVC Televison & Video

1 Answer

I have a LT-42E478 and the left side of the screen is dull, what to do?


http://electronicshelponline.blogspot.com/
In some models of LCD TVS; the backlight inverter will be a part of the panel itself, and will be a built-in type inside the LCD panel. If so, it can't be replaced. In this case; a panel replacement is the only repair.
Type in the brand name of your device, in the search box [at the top right] of the display window, and press enter to get all related posts. It will make surf easy.

Feb 08, 2015 | JVC LT-42E478 42 in. LCD Television

1 Answer

I have a JVC LT-37E478 LCD tv. When I turn it on the JVC logo flashes across the screen for an instant, then there is a blank screen. Also the green power light does not blink, just stays constant. Any...


Fault with its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Electro help

Dec 25, 2014 | JVC LT-37E478 37-Inch 720p Flat Panel LCD...

1 Answer

Black screen in jvc lt 42e478


If you can see a dim image when you look at the screen at a sharp angle then you most likely have a faulty inverter board or faulty CCFL lamp/s.
Most likely faulty inverter board which supplies high voltage to the CCFL lamp/s.

Jan 16, 2012 | JVC LT-42E478 42 in. LCD Television

1 Answer

I have a 42 inch flatscreen tv and I had it to close to my radio speakers and now my color is kinda dark and the faces are green how do i fix that and will it go away


Radio speakers maybe too loud to cause contact resistance to the LCD connector in the circuit. Contact resistance can go as high as 40,000 ohms up from 0.1 ohm. Disconnect and reconnect may reduce contact resistance back to 0.1 ohm.

Nov 20, 2010 | JVC LT-42E478 42 in. LCD Television

1 Answer

My flatscreen tv is distorted


Speakers can cause problems with the correct display of video on TVs but usuall it only concerns direct view tv. Projectors should not have any problems or flat screens. I think you have a different problem Explain better what you mean by distortion in the JVC. Let me know and I will try to help you.

hardrocko

Feb 06, 2010 | JVC LT-42E478 42 in. LCD Television

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.

Mar 17, 2009 | JVC LT-32P679 32 in. LCD TV

1 Answer

TV screen went dark, but sound still there.


your backlight burnt out, this will be a maybe several hundred dollar repair. the screen is backilt by a very expensive flourescent light, without that light, the screen will be black.

Nov 28, 2008 | JVC LT-40X776 40 in. LCD HDTV

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