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

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My Viewsonic N3250 has a poping sound problem. It happens after the TV has "warmed up" for about 10-15 minutes, then pop incessantly. This poping also happens when external sound is plugged in, such as speakers or headphones.

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  • silence262 Aug 19, 2010

    Thanks for the info!

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  • ViewSonic Master
  • 11,800 Answers

This is caused by the failure of a filtering capacitor in the audio amplifier section of the tv. Just open the back of the tv, locate the failed part (some testing will be necessary) unsolder it, buy an identical replacement and solder it back on the board.

Posted on Aug 19, 2010

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Posted on Jan 02, 2017

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Ip board need to be replace. At what price can i get it?


http://www.shopjimmy.com/catalogsearch/result/?q=viewsonic+n3250

Ip board? Do you mean the main board whcih has all the input connectors?
http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20N3250W/

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: 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.
Please post back what you find.
Please leave rating if it helps.

Feb 09, 2011 | ViewSonic N3250W Television

1 Answer

TV picture goes out after 10 minutes of viewing with popping sound


It can be a couple things. Something bad on the power board. Or the vertical output circuit. How long ago did you purchase the television. Your best course of action is to have it serviced.
If you need any information or other assistance let me know.
Thanks,
Lee

Jun 24, 2008 | Pioneer SD-582HD5 58" Rear Projection...

1 Answer

Picture/sound goes out after 10 minutes of TV use


Rear projection hdtv, most likely damaged tubes. Don't repair this by your self get a tv repair man to do it before you injure your self.

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1 Answer

Poping in speakers


Same issue with my AVR-589...2-15 minutes after sound is playing (via TV or DVD). I checked all wires and speakers. Even reconfigured to audio only (analog) coming in, same issue. Put my old Denon receiver in and the problem disappears...possible overheating issue with this new unit?

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1 Answer

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why does my lcd monitor change different colors no picture just turns to all sort of colors ViewSonic N2751W 27 in. LCD Television thanks 4 your help

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