Question about ViewSonic N2751W 27 in. LCD Television

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ViewSonic N2750w dtv input not working

When the tv is set to dtv input it shows only a blue box in the center of the screen (about 1/3 of the screen) and a black background. Nothing else works. The menu comes up and the input menu to allow you to switch to another input. But if you try to use the tv menu it freezes and nothing can work. The other inputs (tv, compnent, hdmi, all seem to be fine). Just the dtv is causing the problem. Any help would be greatly appreciated.

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  • 3 more comments 
  • stuntd97 Oct 13, 2008

    sorry the tv is a N2751w if that matters

  • Anonymous Jan 23, 2009

    I also have the same problem, this viewsonic sucks?

  • Anonymous Mar 14, 2009

    Same problem here.

  • nwood61 May 14, 2009

    Mine just died today. I contacted tech support and got this response. I plan to replace the main board if that is where the DTV tuner is. It costs about $375 from Viewsonic. I am wondering if I can get one 3rd party.



    Answer from Viewsonic: "It is possible that the Digital Tuner of the TV is faulty or hardware related problem which requires to service or replace the unit. Since the unit is already out of warranty, I suggest to visit your nearest local repair shop to further diagnose this issue. They can provide series of test to your unit determine the problem. Or you may call 626-855-8188 for out of warranty services. ...



    Q: What is the part number of the digital tuner?
    A: For part number, please call our Parts Department. Online Store: http://store.viewsonic.com/
    ViewSonic Online Stores
    381 Brea Canyon Road
    Walnut, CA 91789
    Please call 1-877-878-8673 or (888) 881-8781
    Monday-Friday, 8 am - 4:30 pm (Pacific)

  • stuntd97 Jun 01, 2009

    Well looks like I'll be shopping for another TV for the home office. I was looking around to see if I could find the price of the parts, but nwood61 says it's $375 plus labor it seems better just to get a new set. I probably won't go the Viewsonic route though. keep up posted nwood61 if you can get it working again for a reasonable amount.

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SOURCE: Picture goes out after 1 second, audio is fine

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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SOURCE: viewsonic n2750w 27" turn on the tv it gets 4 different colors

if you have a reset button (might be hidden)...hit dat

Posted on Dec 17, 2008

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SOURCE: Bush TV and Setting Default Inputs

Not an expert on this model but generally if you switch the TV on by pressing the remote's power button it will come back using the input you previously used. If you press a channel button it will come back to DTV.

Posted on Jul 19, 2009

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SOURCE: my ViewSonic N3252 display is just a black screen

As with most LCD screens the two most problems that cause black screen are bad a solderjoint on the inverter board or bulging capcitors, the next problem would be most likely the power mosfets witch break down after time.

Posted on Jul 28, 2009

qnguyen863
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SOURCE: My viewsonic n2751w won't let

You need to select the input is DTV. The "input" button on the remote control locates next to roll down cursor.

Posted on Jun 12, 2011

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