Question about Vizio GV42L 42 in. LCD Television

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My Vizio 42 (GV42L HDTV) turns off after 35 - 45 minutes

My Vizio 42" (GV42L HDTV) will turn off after about 35 - 45 minutes. I have to unplug it and then it will turn on again. Will only last about 15 minutes and repeat. Have to let it cool down entirely to get the 35 - 45 minutes out of it. Anyone else have this problem and know what is required to fix it?

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Posted on Jan 02, 2017

tvtek
  • 1284 Answers

SOURCE: Vizio 42" LCD HDTV audio issues

First of all go into the audio menu settings and turn off the "surround" feature off and that should fix the voices/music differences. Does the craking sound appear while watching any sorce such as cable box,sat rcvr or DVD player? If not isolate it to that input and maybe that device is giving the problem.

Posted on Feb 23, 2007

SOURCE: VIZIO 42" Plasma HDTV

I have the same TV. It started doing the same. Now it will shut off completely(no yellow light). Unplug overnight doesn't seem to help but sometimes it comes back on after a day(plugged in).

Posted on Oct 16, 2007

  • 2 Answers

SOURCE: thin white static line at top of screen for some

i had the same problem and it was fixed by enlarging the picture size or v-position. works great now.

Posted on May 06, 2009

  • 34 Answers

SOURCE: vizo GV42L HDTV Only a blue screen when I turn

look for "blue filter" in your setup and turn it off

Posted on Jun 26, 2009

  • 10 Answers

SOURCE: Vizio GV42L 42inch LCD/HDTV

there are several possibilities. first if the unit comes on and the "VIZIO" light turns white, but no picture or sound, then the main control board is most likely the issue. could be the LCD control board(s) depending on model one or two. and ultimately could be the power supply on the upper side....if the "VIZIO" light does NOT turn white, the whole power supply unit is out. after that, would have to scope the circuits to find out. Seems that the control board is the most common and tends to happen on many different sizes. new board will be around $350.00. Might get lucky and find a used one, but it MUST be EXACT part or it wont work right. if you dont find one or want to sell yours for parts, id be interested in the screen. can reach me at kmarlin@grandvalleygolfclub.com. thanks, keith

Posted on Aug 10, 2009

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1 Answer

WE BOUGHT A VIZIO GV42L HDTV IN FEB.2007 AND IT JUST RECENTLY WONT TURN ON.THE "VIZIO" LIGHT IN FRONT OF THE TV TURNS ON BUT NOTHING ELSE.


The power supply may have failed, or it is in the safety shutdown mode due to short circuits in the power supply or in the backlight inverter board, you can try disconnecting the power cables to the backlight inverter board to see if you can get the TV to come on with sound but will not have picture.
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Aug 20, 2010 | Vizio GV42L 42 in. LCD Television

1 Answer

Vizio picture polarizes


It sounds like it has bad T-CON board due to poor 12vdc feeding it or failed parts on the board.
http://www.shopjimmy.com/catalogsearch/result/?q=Vizio+GV42L

If you are going to DIY and have proper tools and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Jul 05, 2010 | Vizio GV42L 42 in. LCD Television

2 Answers

Vizio GV42L 42inch LCD/HDTV


there are several possibilities. first if the unit comes on and the "VIZIO" light turns white, but no picture or sound, then the main control board is most likely the issue. could be the LCD control board(s) depending on model one or two. and ultimately could be the power supply on the upper side....if the "VIZIO" light does NOT turn white, the whole power supply unit is out. after that, would have to scope the circuits to find out. Seems that the control board is the most common and tends to happen on many different sizes. new board will be around $350.00. Might get lucky and find a used one, but it MUST be EXACT part or it wont work right. if you dont find one or want to sell yours for parts, id be interested in the screen. can reach me at kmarlin@grandvalleygolfclub.com. thanks, keith

Jun 27, 2009 | Vizio GV42L 42 in. LCD Television

1 Answer

Vizo GV42L HDTV Only a blue screen when I turn


look for "blue filter" in your setup and turn it off

Jun 26, 2009 | Vizio GV42L 42 in. LCD Television

1 Answer

GV42L Vizio HDTV Problem


You didn't mention whether you have any audio; details like that can influence the response.
If you have audio but no visible video, look at the screen from an angle for 10-20 seconds to see if any video is present. If you do see some shifting shadows on the screen and have audio, the backlight or its power supply (inverter) has probably failed.

Nov 19, 2008 | Vizio GV42L 42 in. LCD Television

1 Answer

22in vizio will not turn on


bad power supply board or mainboard

Nov 10, 2008 | Vizio GV42L 42 in. LCD Television

1 Answer

Vizio GV42L 42 in. LCD


May be a bad power supply, which is a common problem with these units.I have a GV42L 42" manufactured in march 2007. It works perfect except the screen has a fracture on it. The warranty is voided because we damaged the screen. I can sell this to somone who has a good screen but needs boards or speakers, etc. Or I will buy your tv that has a good screen but damaged boards in it.
camckay7626@yahoo.com

Aug 13, 2008 | Vizio GV42L 42 in. LCD Television

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