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ANSWER TO JVC LT-42X579 blinking blue light, no picture and clicking noise When I cut on my TV it would not come on. Instead the blue light was blinking and after a while I heard a ticking/clicking sound I contact JVC and was told to first make sure your cable box or whatever you use to normally watch TV is powered on and is ready to work He told me to unplug TV for 10 seconds at least. Then he had me press and hold down the "MENU and VOLUME DOWN (-)" buttons, at the same time for about 10 seconds. Then after 10 seconds of holding the 2 buttons down, he had me continue to hold the 2 buttons and press and let go of the power button. In other words after 10 seconds of holding down the volume down (-) and menu buttons, add the third button (power) and immediately let go of all 3 buttons, at the same time. It worked for me instantlynd hopefully it works for you!!!

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Blue light

Okay, I found a fix! Called JVC, spoke to somebody there, here it is:
1)unplug the TV completely, no wall no power strips, completely
2)wait 10 sec
3)plug TV back in and Turn it on, the light will still be doing the same thing
4)wait 30 sec
5)ON THE TV, not the remote, locate the menu, volume (-) and power button.
6)while simultaneously holding down the menu and volume (-) button, pressed the power button ONCE and continue to hold the other 2 for 10 sec.
7)on the remote control, go to menu>settings>system info
*** now this I know as a FACT will work on systems that display: JVC - ver.5.32FO001, but I don't know of any other versions***
8)press the mute button on the remote twice
9)unplugg TV again and wait 10 sec.
10) plug TV in and turn on

It SHOULD be working normally now... Thanx to the guys a JVC support for this one, I know it seems like an obvious first place to look, but sometimes it isn't. I for one checked online forums first.

Posted on Feb 20, 2009

  • 1 Answer

SOURCE: AKAI PDP4273M1 - Unit powers up then shuts down.

I just repaired one for the same trouble. The input to the main processor from the standy switch had shorted to groung. This was probably caused by static inserted when pushing the power button. The processor is not a replaceable part. The part number for the main board is E3761-058010-2. It costs between $140 and $150. I found it on-line at Shopjimmy.com.
Good Luck!

Posted on Feb 25, 2009

  • 257 Answers

SOURCE: I have a JVC LT-42X579 TV. I got home tonight and

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

Posted on Aug 13, 2009

  • 8457 Answers

SOURCE: On/Off blue light blinking, TV won't come on.

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

Posted on Aug 19, 2009

Testimonial: "Thanks for the advice. Will try it."

rylee_smith
  • 8619 Answers

SOURCE: We have a Sharp LCD

Hi


Thanks for using FixYa. Blinking light means that the power is getting to the unit however, as its not working which means that the power board should be checked. To start with open the back of the unit and then check the power supply board for any bad (bulged/swollen) capacitors. Power supply board is the board where all the power cords/plugs goes into. After you have checked that also check the main board and if you can use a multimeter to test the components on these boards. However, from your earlier posts it seems to be the main board that is bad and should be replaced. All this should only be done if you have knowledge of internal circuitry of the unit as the components consists high voltages even when in off position. Please do accept the solution if the issue is resolved or post a comment for further assistance.



Thanks
Rylee

Posted on Jun 02, 2010

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utencilio posted this fix. It worked for my JVC LT-42X579.

Okay, I found a fix! Called JVC, spoke to somebody there, here it is:
1)unplug the TV completely, no wall no power strips, completely
2)wait 10 sec
3)plug TV back in and Turn it on, the light will still be doing the same thing
4)wait 30 sec
5)ON THE TV, not the remote, locate the menu, volume (-) and power button.
6)while simultaneously holding down the menu and volume (-) button, pressed the power button ONCE and continue to hold the other 2 for 10 sec.
7)on the remote control, go to menu>settings>system info
*** now this I know as a FACT will work on systems that display: JVC - ver.5.32FO001, but I don't know of any other versions***
8)press the mute button on the remote twice
9)unplugg TV again and wait 10 sec.
10) plug TV in and turn on

It SHOULD be working normally now... Thanx to the guys a JVC support for this one, I know it seems like an obvious first place to look, but sometimes it isn't. I for one checked online forums first

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