Question about Westinghouse L2046NV Monitor

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Black screen after a brief windows loggin screen

I have a westinghouse 20.1 LCM-20v5..I have had it about a year and a half and its been great until I turned it on one day and it was fine for about 10 minutes then it went black and never came back..I can still kinda see the recycle bin in there but its very faint..I restart the PC and it comes up for a sec then back to black..is it just the back light or time to get another monitor??

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  • dennis bullard May 11, 2010

    check first that you have not set the brightness to zero. This is often done without being aware if its a touch button type.

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Its probably defective caps on the ps board here is a list to change them all.

http://www.fixya.com/support/t2576306-two_westinghouse_20v5_monitors_also_just

Posted on Nov 07, 2009

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Hello

It's either the backlight, the inverter or the power supply. My shop would charge $50.00 + parts + shipping. I've repaired alot of Westinghouse monitors and I haven't junked one yet.

Posted on Jul 29, 2009

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Posted on Jan 02, 2017

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1 Answer

My Westinghouse LCM 19v5 will not powerup


Look for bad caps with bulging tops, similar to the 19" version as shown here:
http://s807.photobucket.com/albums/yy352/budm/WESTINGHOUSE/Westinghouse%20LCM-20V5/

Make sure to use correct type caps for switching power supply.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Oct 21, 2011 | Westinghouse LCM-19v5 Monitor

1 Answer

The screen goes on for a second and then turns off. If I then turn the power on and off numerous times it eventually stays on. I put the screen off to 60 minutes. Every time the screen is allowed to turn...


Hello Geoff,

The problem you are having is caused by a power supply board that is failing. Your monitor uses the Delta DAC-12M033 power supply board. We have a repair guide for the Westinghouse LCM-20V5 monitor that uses the same power supply board posted o our web site at: http://www.ccl-la.com/blog/index.php/repairing-the-westinghouse-lcm-20v5/ Check out the web article, it should get you back going again. If you don't want to do the repair yourself we do offer a repair service. We can get deatils on this service here: http://www.ccl-la.com/blog/index.php/service-request-form/

I hope this helps, if so please rate our solution.

CCL Tech
Corporate Computer
www.ccl-la.com

Oct 26, 2010 | ViewSonic VG2021m LCD Monitor

1 Answer

After pressing the power on button it starts to turn on but then makes a hissing sound and goes into standby mode. It takes several attempts before the screen wont make the hissing sound and finally stays...


Hello,

You have a monitor with a failing power supply. The Viewsonic VG2021M monitor uses the DAC-12M033 power supply board. After several years of use the capacitors in the power supply start failing and not keeping a charge. The capacitors are on the output side of the power supply and help filter and stabilize the voltages. When they fail the power does not settle when you turn it on so you have to do the on/off/on/off to get it to start. If you can solder then you should be able to repair your monitor. Check out the article on our site at: http://www.ccl-la.com/blog/index.php/repairing-the-westinghouse-lcm-20v5/ it is for the Westinghouse LCM-20V5 but they both use the same board so the repair information is the same. If you don't want to do the repair yourself we do offer a repair service for this unit, it runs $32 plus shipping. You can get more information on this service here:
http://www.ccl-la.com/blog/index.php/service-request-form/

I hope this helps, if so please rate our solution.

CCL Tech
Corporate Computer
www.ccl-la.com

Jul 01, 2010 | ViewSonic VG2021m LCD Monitor

1 Answer

Has sound no picture


Hello,

This type of problem is usually caused by a failure of the power supply that drives the backlight. Check out this article on our web site: http://www.ccl-la.com/blog/index.php/repairing-the-westinghouse-lcm-20v5/ The LCM-20V5 model uses a power board that is the same model as yours. The the parts mentioned in the article and see .if yours are bulging, if so replace them and you should be back running again.

I hope this helps, if do please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com

Apr 24, 2010 | Westinghouse LTV-19w6 Television

1 Answer

Screen goes black after fraction of a second


More likely to be bad capacitors in the power supply, see LCM-20V5 (almost the same chassis as used in LCM-19V5) example: http://s807.photobucket.com/home/budm/allalbums

Post back what you see insdie so we can guide you further.

Mar 15, 2010 | Westinghouse LCM-19v5 Monitor

2 Answers

Westinghouse Monitor Repair


you can look for other caps that are bad on the board that may have failed later.

hear is a list of replacements for all the caps on the 20v5 i have

http://www.fixya.com/support/t2576306-two_westinghouse_20v5_monitors_also_just

Apr 01, 2009 | Westinghouse LCM-19v5 Monitor

1 Answer

Blue Screen


chak the signal cable of u r monitor

Nov 30, 2008 | Westinghouse Computers & Internet

4 Answers

Monitor works for a fraction of a second


See article written by sillybit (me) for the Westinghouse 19v5. My 20v5 had bad caps in the power supply - it did the exact same thing as yours. $8 worth of parts from radioshack and an hour or two is all mine needed.

Aug 01, 2008 | Westinghouse LCM-19v5 Monitor

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