Question about Vizio GV42L 42 in. LCD Television

3 Answers

LCD tv Vizio 42 inch has vertical colored lines completely across (vertically) the entire screen. Here's the picture: [IMG]http://i22.photobucket.com/albums/b320/Relicario/lcdtvverticallines.jpg[/IMG] <a rel='nofollow' href="http://s22.photobucket.com/albums/b320/Relicario/?action=view&current=lcdtvverticallines.jpg" target="_blank"><img src="http://i22.photobucket.com/albums/b320/Relicario/lcdtvverticallines.jpg" border="0" alt="Photobucket"></a>

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  • jmvega7 Mar 15, 2011

    So the lcd panel is not damaged? I don't mind spending to repair other boards, but i want to make sure it's not a bad lcd panel (unrepairable). Thank you very much for the quick response. I greatly appreciate it.

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  • Vizio Expert
  • 177 Answers

Hello imvega7, as i know, 42 inch is a plasma display TV.
Refer to your image, and my experience that symptomp because of connection between buffer PCB and panel. Some cases, dirty conection may cause this symptomp.
Un plug power cord, open rear cover, fine pcb on upper or lower panel.
unplug flat cables from pcb buffer, clean soket using a brush. And also clean flat cables using celaner or alcohol.
Wait untill that conection dry. reassembly and try it.
i hope that help you.

Posted on Mar 15, 2011

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  • jmvega7 Mar 15, 2011

    So the lcd panel is not damaged? I don't mind spending to repair other boards, but i want to make sure it's not a bad lcd panel (unrepairable).

    Thank you very much for the quick response. I greatly appreciate it.

×

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  • Vizio Master
  • 749 Answers

9 out of 10 times this would be a bad LCD , which can't be repaired at a reasonable cost.

Maybe 99 out of 100 is more accurate.

The T-CON having gone bad is your only choice, but the T-CON for this Vizio model does not usually fail in that way.

Which doesn't say it can't do it, it only makes it even less likely.

Selling it on Craigslist to the highest bidder may be the best walk-out option for you.

Amazingly many people buy TVs in hope they can fix them cheap.

Of course they buy them cheap too...but better that than having to spend time and money on trying to fix something that likely can't be fixed.

Hope this helps!

www.coppelltvrepair.com

Posted on May 23, 2014

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  • Master
  • 11,361 Answers

This is LCD TV, not Plasma TV. Try reseating the ribbon cables between the LCD panel and the T-CON board to see if it helps. Main board driving the T-CON board can be bad also, you will need Oscilloscope to look at the signals to verify for sure.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

Posted on Mar 31, 2011

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Posted on Jan 02, 2017

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