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Failed LG W2216VP monitor

Hi. I have an LG W2216VP monitor (just over 3 years old) which powers up & displays for a few seconds then blacks out (power still on). The caps all 'look' ok. Should I suspect the CCFL backlight or transformer? Is it worth repairing? Many thanks for any suggestions.

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  • Computers & ... Master
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After three years of service, your monitor is beginning to show its age. You have to weigh the cost of replacement parts and the amount of labor required to get another couple of years of service at best

Posted on Apr 29, 2013

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Posted on Jan 02, 2017

  • 12 Answers

SOURCE: same problem 2 seconds on, then turns black

The problem with the monitor is the power inverter board. I took my monitor apart and tested all the power outputs. The ones going to the main board where ok but the ones going to the backlight where different. I changed the three capacitors on the power board that where located between the two heat sinks I think it was the 1000uf and the two 470uf. They looked ok but when i tested them they where off. Next on the opposite side of the board with all the little componites there are a few dry joins that you have to resolder. If you cant find then you can just resolder the whole back board it should only take 30min. If you have no idea what i am talking about i would not sugest taking the monitor apart.

Posted on Jul 28, 2009

budmrtn
  • 11361 Answers

SOURCE: Viewsonic VA912b. Monitor will only turn on for a

Bad caps in the power supply, common problems. See examples here: http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20V912B/

Posted on Jan 07, 2010

  • 732 Answers

SOURCE: Monitor turns black after 3 seconds

teo6925, "Switch-mode-power-supply" is in partial shutdown mode. Can you see any electrolytic filter capacitors that have a slight "swelling" to their tops? They should be flat!! You may also need to inspect all the soldered component connections very closely for cold, thermally intermittant, "frosty" looking solder joint connections. May need large magnifying glass or 10x to 20x inspection microscope to locate these thermal/vibration "fractures" and then resolder them! If you have a capacitor problem, then you will need to carefully remove and replace with new ones. If you are novice at soldering I suggest that you document your work with digital camera or video tape so you can get everything back together with no "leftover" pieces! Teo, all you need to do to find out how BAD the problem of poorly manufactured capacitors is would be to search WEB for BAD CAPACITORS!!! Look for pic's of ELITE capacitors or CAPXON brand. You will be stunned beyond belief!!! Reading is free!! READ, READ, READ. Let us know what you find and do additional comment here on FIXYA. 12fixlouie

Posted on Jan 09, 2010

micromatikal
  • 2777 Answers

SOURCE: Acer AL511 15" I need advice in repairing this

Ok so what is your question exactly, I do not see a question in there?

Posted on Sep 28, 2010

  • 6771 Answers

SOURCE: LG flatron w2230s-pf monitor only

The problem is in the inverter board, the most common problem is bad capacitors, inverter transformers, or back light issues. The power supply and inverter share the same board, attempts can be made to repair or replace the board, if a professional gets involved you are further ahead in buying new.

Posted on Apr 21, 2011

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LCD monitor displays background fine for a second then goes black


If your LCD monitor displays your desktop fine as it boots up and then goes blank after a few seconds, but you can still faintly see your desktop then this may seem like a brightness issue but it's not. The picture displays very faintly, this is because the LCD backlighting isn't working properly. Which in turn is either because (most likely in cases like this) the inverter circuit has failed or the cold cathode tube has blown. If you're new to the electronics business and are not sure how to solder and connect circuits then this is the job for a qualified repair technician. So i suggest you head on down to your local PC store and have a technician take a look.

If you want to try it youself go here to order some spares.
If the monitor switches off and you can't see your desktop faintly then this may just be a power saving issue. Yo fix this check out my other tip here.

If your monitor is less than a year old then I suggest you take it back to where you bought it and have them send it in for repairs or swop it out with a new one. LCD monitors usually have at least a 1 year warranty sometimes it can even be up to 3 years if you register yours when you purchase it or if it's a really expensive screen.

If the monitor is a good 4-5 years old then it may not be worth fixing or may be too expensive. I suggest you invest in a newer widescreen option. LCD monitors have drastically come down in price over the years and you can easily get a wopping 23" for as little as $180.

on Nov 14, 2010 | Computers & Internet

1 Answer

With power but it stop after few seconds


Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed LG monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Service manuals: http://elektrotanya.com/?q=showresult&megnev=LG&megnev2=L1750&kategoria=&kat2=all

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My viewsonic VA912b goes thru a few minutes of a cycle upon turning on or waking up where it has a black screen, then a few seconds of normal display, then 10-15 sec of black, then a few seconds of normal,...


Look for bad caps as shown in my pictures, common problem in all brands of LCD monitors.
http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20VA912B/

Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://www.badcaps.net
http://en.wikipedia.org/wiki/Capacitor_plague

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My LG Flatron L1515S 15" LCD goes on blank scree(black screen) after displaying for 2 to 3 seconds and when i switch off and switch on monitor, again it is going blank after displaying for few second....


sitaramjava, Problem not new one!!! When lcd screen goes "black" point bright flashlight (torch) 1" (3-4cm) from lcd panel to determine if you can still see desk-top icons!!! If icons are visible, unit SMPS is in partial shutdown mode. If not visible then SMPS is in full shutdown mode. You or qualified CCFL back-lit lcd monitor technician will need to make repair to units internal SMPS/ CCFL inverter supply. Your monitor isn't any different than any other brand in it's basic design and operation!! Read my and other CCFL backlit lcd monitor technicians FIXYA profiles to see if you can repair it. 12fixlouie

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Most common cause of the failed monitors are bad caps in the power supply, if it is about two years old, I would open it up and look for bad caps first, then look for any burnt parts, post back so we can guide you further, see failed SAMSUNG monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums

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When I start up, the monitor flashes on, and sometimes for a couple of seconds displays the screen. Then it goes black. If I cycle the power it flashes the screen on for a second then black again. For the...


Hello,

It sounds like you have a monitor with a common problem. After a few years some LCD monitors will blow a power supply. The problem is usually caused by parts called capacitors overheating in the confined space of the monitor. If you are good at electronics repair/soldering you can usually fix the problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You can take the back cover off your monitor and look for the bad parts,replace any that look like the pictures and your monitor should work fine. The capacitors do need to be installed with the correct + and - connections, note the stripe on the old one and insert the new one the same way. If you don't want to try the repair yourself we offer a repair service for $35 plus shipping.

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

Buddy
Corporate Computer
www.ccl-la.com
Over 21 years of computer and printer support/repair

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