Question about Sanyo 42 in. LCD TV

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I have a 42 inch Vizio Gallevia flat screen TV just under four (4) years old. After approximately ten minutes or so being turned on - three quarters of the screen from top to bottom goes darker - the top quarter of the screen is normal. After that - the darkening goes from side to side...After 20 minutes or so the picture is normal, and continues to be for the duration of watching TV...I have spoken to two flat screen repair men, and one says it's a bad "inverter module" - cost to fix = $150.00 or so...Another flat screen repair fellow said, "it's a bad LCD screen internally - not cost effective or worth fixing." Also, I received one posting reply from fiya stating, "it's possibly a loose backlight connection, or the backlight itself." Does anyone know definitively what is wrong with my Vizio TV??? Thank you!

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Posted on Jan 02, 2017

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SOURCE: 42 inch DO42746 no picture or sound

It is still possible the z sustain board is bad. or an x driver board.

Posted on Jun 26, 2009

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SOURCE: My 46 inch Sanyo flat screen turns on and right off again

Might be worth it if it cost over 500.00 dollars, I had a simular problem with a Yamaha HTR receiver... the cause was the power adapter/converter was overheating... so it sounds like something along those lines... It cost me 129.00 dollars to fix my receiver so I would say 100.00 dollars or less... I saw a 42" LCD at the local electronic's store selling New ones for about 400.00 now..

Posted on Mar 25, 2010

  • 1 Answer

SOURCE: I have a Sanyo 46

There is no solution this has happened to me 3 times in 13 months each time they replaced the screen panel (basicly the whole TV) I have a 2 year service contract, the next time it does it they will not bring it back but will write me a check for the price I payed for this peice of ****.!!! Do not bother fixing it.

Posted on Oct 22, 2010

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I have a 2007 Vizio that after about 4 years began having a startup problem where the screen flashes on and off until it warms up, about 10 minutes on a cold day. For the split second that it is on,


Vizio is a good television. But over the years, the Capacitors will dry up. Flat Panel tv's that come from china use cheap capacitors, even in Vizios. There are monitoring IC's, and if the reference voltage (what the capacitor is supplying to the IC), the set will not turn on, or will be intermittent. Replace the Capacitors on the power supply board and see if set comes on. The Reference IC is a good way of telling if a capacitor is bad. The IC monitors reference voltage in the supply area.

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4 year old vizio 42 inch tv lcd. While watching tv, the screen started dimming. There is a 4 inch shadow all along left side of the screen and the 1 inch line shadow going down the middle of the screen.


Maybe a power supply or related issue but at 4 years of age the set has reached its life span----parts will be hard or impossible to find.

If you got four years I would retire it and recycle it and then replace it.

May 14, 2012 | Televison & Video

1 Answer

When I turn on my Vizio Gallevia 42" tv it Just Shows a Blue screen and no signal then turns off


Hi there,
Have you got anything connected to the TV? If so, make sure they are powered on, and all connected correctly.
Hope this helps
TV_Doctor

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1 Answer

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This sounds like tiling. are you using a cable box?

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I turn on the tv and it has a blue screen and no


Just try to reset so picture will back to normal again, some LCD TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time.
1. Unplug the LCD TV power cord from the power outlet.
2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the LCD TV power button for five seconds.
4. Plug the LCD TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the LCD TV is responding again.
6. Turn off the LCD TV and reconnect the devices.
7. Turn on the LCD TV.

Hope it may help you;

Regards;
VOTIT

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2 Answers

Thinking about buying a used Vizio 42"


Don't buy it. VIZIO is not standing by their products.

My GV42L had issues from the ssart and now it shows No Signal and shuts of in 2-3 seconds. I read many similar issues on this site with VIZIO.

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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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