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Vizio GV42l turns on with remote.Not by the tv, but no picture or sound. And I have to turn it off by unplugging it. Because it will not turn off by the tv or remote.

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Your EPROM IC is down/bad.
try the shop to fix this. if your handy by locating this IC, what is an 8 pinned IC, change it by using the correct part.
be careful to buy the correct part because you will get an even worse picture if it is a wrong one. each EPROM is dedicated for the program to be run on a tv set. nevertheless you can also program a empty EPROM IC by yourself with the original remote but you will have to use a password to achieve this.
whish you succes and enjoy :)

Posted on Aug 23, 2010

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Posted on Jan 02, 2017

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I have a vizio gv42l fhdtv10a I have no picture or sound.


Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Feb 14, 2016 | Vizio GV42L 42 in. LCD Television

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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

Can only get sound - no picture


the sustain boards need to be replaced

May 23, 2010 | Vizio GV42L 42 in. LCD Television

1 Answer

How to reset tv. Have sound but black screen


LCD's use a colorful crystal see through display which only visible when light is shining through it. if you have sound and no picture it's always a faulty PSU. Very easy to change out actually.

Mar 27, 2010 | Vizio GV42L 42 in. LCD Television

2 Answers

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

1 Answer

Have a one foot by one foot black box in lower right corner of tv.


thats called PIP aka picture in picture on your remote theres a way to turn it off or change the chanel of it what it is its like another tv but with no sound and you see another chanel or video input on it and you can switch it on the remote

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

1 Answer

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I have the same problem and it is just livable.  Turn on/off a couple of times and it will be OK.  Interestingly, The Samsung 40" LCD has a powersupply (bad capacitor) problem that seems to mimick this problem  There is a huge thread elsewhere on this Samsung issue, do a search.  Let me know if there is an explicit solution for this.  

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2 Answers

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The TV usually hums when the backlight setting is too low. So turning it up should get rid of the problem. To do this please follow these instructions:

1. Turn the TV on.
2. Press the Menu button on the remote, located right below the channel changing button.
3. Press the down direction button, located at the middle of the remote. Press that button until the backlight is highlighted.
4. Press the right direction button until the backlight is at 100.
5. Press the OK button and then the Exit button until you get back to your picture.

Oct 22, 2008 | Vizio GV42L 42 in. LCD Television

3 Answers

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If you are using a set top box this might be caused by turnig the box on at the same tie as you turn the tv on or slightly after you turn the tv on.  If you are using compnent or HDMI inputs the set needs to see the signal as it is turned on to know what formt the signal is in. 

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