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

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My veiwsonic n2750 goes black after 1 minute but still has audio

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Check the 24vdc output when it goes black, you may have problem with either the power supply or the backlight inverter board.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx

Please post back what you find.

Posted on Aug 02, 2010

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Posted on Jan 02, 2017

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I have a 50" Samsung tv. The tv turns on and the screen comes on, then within 1 minute the screen goes black. I can still hear sound.


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1 Answer

I got a vg930m veiwsonic monitor and i try playin music and doing other tasks and i get no sound out of the built in speakers do i need a audio cord to get sound or what do i do


Yes many monitors (with the exception of some HDMI connections) require a separate cable to connect audio to the built in speakers on the monitor. I hope this answers your question.

Mar 16, 2011 | ViewSonic VG930m LCD Monitor

1 Answer

The picture goes blank after about 3 or 4 minutes. I have to shut it off and wait a few seconds and turn it back on. It does this 3 or 4 times and then it seems to stay on.


When the picture go black,tv still have audio?Yes,than those 1 or 2 long boards that call the LCD inverter boards are the problems are dying.If picture goes black and no audio at all?Yes,than the tv Tuner signal board have problems is dying.The tv Tuner signal board it is the board,where the incomming broadcasting signal cable plug into it.Tries websites like Shojimmy.com,Ebay.com to buy those 1 or 2 refurbish long LCD inverter boards or the tv Tuner signal board for the replacement.

Mar 02, 2011 | Westinghouse LTV-32w1 32 in. HD-Ready LCD...

1 Answer

47in Phillips-tv picture goes black still has


Could be the signal board has a bad cap, in this case it sounds like you are getting intermitten power to the inverters....when the tv goes down and of course you have audio....Shine a flashlight on to screen and see if you have a picture...look carefully. If this is the case..you have the above problem!

Nov 23, 2009 | Televison & Video

1 Answer

I have a rca hd56w66, my screen shuts off but the audio still stays on. For a few days, it started fading to orange and then to green and then out to black. After about a minute, the picture would come...


Sounds like you lost the power supply to guns, now this doen't mean you have to go looking for it, you will need a repair person to fix it. Word of advise, if you haven't had one of these fixed before it can range in upwards of 600.00 or more to fix now days.

Oct 09, 2009 | RCA HD56W66 56" HDTV

1 Answer

Veiwsonic vx912 - ficking on/ off every few seconds


try different video cable or check it, if not power supply.

Apr 21, 2017 | ViewSonic VX912 19" LCD Monitor

1 Answer

Pj500 veiwsonic


1. Switch the power on.
2. Hold the Reset Button down for three seconds until the lamp timer is displayed at the bottom of the viewing area.
3. Press the left arrow to select 0. Then wait for the lamp timer display to disappear.

Lamp Timer is now reset.

Feb 25, 2009 | ViewSonic PJ500 Multimedia Projector

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