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Thomas Scissons Posted on Oct 16, 2017
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Hi there I have a jvc tv 'LT-42X788' when I power on the cbc sign comes on I here a click and screen shuts of there's a blue light that came on when I power on it stays on any help thanks

1 Answer

Clive

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  • JVC Master 882 Answers
  • Posted on Oct 16, 2017
Clive
JVC Master
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Joined: Apr 22, 2014
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@Thomas Scissons
"JVC LT-42X788 display fault..."

Hi Thomas.

Please pick one:

Power supply board (possibly a blown capacitor):
A TV-tech can repair at reasonable cost, less than a new set.

The main board itself has a control / display section fault:
A TV-tech can repair at reasonable cost, less than a new set.

The screen / panel is shot:
Beyond economical repair - renew set.

Hope this helps.
Clive.

5 Related Answers

Anonymous

  • 4402 Answers
  • Posted on Jan 22, 2008

SOURCE: jvc 52 inch hd-ila hdtv widescreen

you have a bad lamp or balast

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Anonymous

  • 1 Answer
  • Posted on Jul 26, 2008

SOURCE: JVC 42 INCH PLASMA POWER LIGHT BLINKING ONLY NO PICTURE

no kidding? what is the problem so prevelant in this unit? obvious design flaw.

Anonymous

  • 1 Answer
  • Posted on Dec 07, 2008

SOURCE: jvc tv

when both the blue light and red light are blinking it means 1 of 3 things. 1. lamp replacement. This often works everytime for the repair. TIP!!! DO NOT USE ANY OTHER LAMPS OTHER THAN JVC AUTHENTIC LAMPS. ANY OTHERS AND YOU RISK DAMAGING YOUR TV FURTHER. 2. the fans are not working properly or need to be replaced. They need to be cleaned every so often and they will stop working from burn-out if not done so. This repair will cost you less than 100 dollars. 3. The ballasts are defective and need to be replaced. The ballasts themselves run about 150 dollars. I tell you I have fixed this TV more times than I care to count, not to mention the number of lamps I have gone through. The guy at the TV repair place now knows me by name when i come to buy lamps. :(

Anonymous

  • 1 Answer
  • Posted on Feb 20, 2009

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.

Anonymous

  • 20 Answers
  • Posted on Mar 11, 2009

SOURCE: Power problem with JVC LT-32x576

there is a firmware update for this model download from jvc website onto a thumb drive and plug it into the side plug.

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