Question about Vizio Gallevia GV42LF 42 in. LCD Television

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I have a vizio gv42lh tv just had main board replaced. watched for 2 days now turned off and will not turn back on even after unplugging. Same problem as before new board installed.

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If the work was done by a service shop, you should have received a 90 day guarantee of the work. Please call the service center and indicate that the "repair" was not successful. They should resolve the problem without additional cost to you.

Dan

Posted on Jun 29, 2009

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Posted on Jan 02, 2017

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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://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.

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The main board will need replacement. Its very common issue where the set will freeze at the vizio kogo then eventually it wont turn the logo from orange to white so it can power up. Replacing the main board should solve the issue. You can get the replacement main board from www.tvcircuitboards.com

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My vizio flat screen tv turned off on me and it wont come back on. At first i was watching it then all of a sudden the screen went black and all i could hear was the sound. Now when i try to turn it on or...


Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
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No picture but sound


do any lights come on with the TV?, like white vizio or orange vizio light. sounds like a problem with the power board. some vizio parts have lifetime warranties so contact vizio support and report your problem. if it is covered the service call is free. there is a green led light on the power board that should come on, if it is not on, you may have a bad power board. to see this light on the power board, turn off the lights in the room and view the tv from the back cover, power board is 3/4 way toward top in the middle of the tv

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Had same prob;em. Replace main board and now works just fine. You need to take the back off and under the metal cover is the main board. The part number should start with 3320-xxxx-xxxx. You can purchase the board from Vance Baldwin. vancebaldwin.com sign in as a guest. I will warn you the cost of the board is high.

Steve

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I bought my 42" plasma Vizio 17 days ago and this problem just happened to me. We were watching and it just went off and it won't come back on. The tv clearly has power as the yellow light is on, but this tv simply won't come on. I called Walmart to verify I could return (I can) and they said they have two others that were returned sitting in back. I imagine this is going to force Vizio to do something soon, I can only imagine how many of these things are going to start failing in the years to come.

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2 Answers

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I have same problem and i put in a new power supply and this did not solve problem. I will be changing out main board next and post results.

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