Question about ViewSonic N2750w 27 in. HD-Ready LCD Television

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Picture goes out after 1 second, audio is fine

I have had this TV for a little over 3 years and all of a sudden, the picture went out. Now when I turn it on with a source present, I get picture for under 1 second, then nothing, audio continues to work fine, and if I hit Menu within that second, I can catch a glimpse of it (so menu is working). I have tried all the available inputs and they all respond the same way (no pic after 1st second of power). I have guestimated that the main board is out on the TV, but am not able to purchase a replacement main board from Viewsonic (discontinued and out of stock!). Even checked the fuse on the power board which seems fine.

Please help!!

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  • mlegna Nov 02, 2007

    Forgot to mention the model number in the post above: Viewsonic N2750W

  • turtleman1 Nov 13, 2007

    My LCD TV AC adapter was damage by lightning. I replaced the adapter and the picture stay on for little over a minute each time i turn it on then it goes out. The audio still works.

  • befuddled1 Nov 27, 2007

    Had the same problem. Started with loud static noise for the first few minutes of operation. Then the noise would go away only to return intermittently. Then one day NO PICTURE or sound at all. Have not had any luck with Viewsonic service. There is a firm out in California, which will repair the unit for $150.00 flat fee. They replace the main board and the sound board as well. Problem is that shipping is about $100 total and you have a repaired LCD with a history of problems right out of the box. With the price of LCDs today, I will probably purchase a 32" Sharp for another $300...and buy an extended warranty.

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The problem is not the mian board but the DC to DC inverters that drive the lamps behind the panels some manufactures make them available seperate from the panel but most are a part of the panel. so the whole panel may have to be replaced.

Posted on Jan 17, 2008

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