Question about ViewSonic VA720 17" LCD Flat Panel Monitor
My 42" Polaroid LCD Television that I bought in 2008 is displaying green pixles when they should be black. It does this for both the TV connection and when watching movies on the DVD player. Both of these are connected thru separate HDMI cables. It does not do it all the time, sometimes the TV needs to be on for a couple of minutes before it starts. Does anyone have any idea what might be wrong?
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Posted on Jan 02, 2017
I have two broken VP201 monitors with different symptoms. One was black screen green light - like yours. The other was purple speks flying all over the screen., purple tint.
I swapped the power supplies and display boards, both monitors had original problems. I swap the inverters and the monitor which was black screen now appeared to work okay - but slightly pink and the monitor which was purple speks is now black screen.
I would therefore assume that both my inverters gone, one being on it's way out. You probably have the black-screen case.
Posted on Aug 27, 2008
SOURCE: Viewsonic VA702B
Monitor going black after a few seconds can be caused by a faulty power supply or inverter. Some monitors have both as one unit.
Sometimes it is basic failed capacitors, After that then I would look at transistors.
The average monitor from 17 to 20 and sometimes the 22s have usually 4 bulbs in them. One bad bulb will also cause the inverter to not fire up.
Bad bulbs usually show pinkish tint, or flickering or are dark at center top or bottom of the display.
Posted on Oct 05, 2008
LCD screens occasionally have what are called "Stuck pixels". There is a tutorial in wikihow which might help you out here:
Try that and see if it helps. Stuck pixels are actually a slighty common problem.
Posted on Jan 02, 2009
Go to the setup menu on the LCD panel by pressing button 1 on the front. See if there is an option to reset the lcd to factory settings. Reset it and report if it helps not.
Posted on Jul 29, 2009
Tips for a great answer:
Feb 17, 2016 | Samsung Televison & Video
Aug 23, 2014 | Polaroid FLM-4201 42 in. LCD Television
Mar 24, 2010 | Samsung LN-T4661F 46 in. LCD HDTV
Sep 04, 2009 | Polaroid FLM-4201 42 in. LCD Television
Jun 24, 2009 | Vizio Televison & Video
May 07, 2009 | Sony KLV-S26A10 26 in. HD-Ready LCD...
Mar 10, 2009 | Philips 32PFL5332D 32 in. LCD Television
Feb 27, 2009 | Polaroid FLM-4201 42 in. LCD Television
Jan 06, 2007 | Pioneer PureVision PDP-V401 40 in. Plasma...
May 09, 2009 | ViewSonic VA720 17" LCD Flat Panel Monitor
Dec 20, 2008 | ViewSonic VA720 17" LCD Flat Panel Monitor
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