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LG Flatron L196WTQ-BF Monitor will not power on

I just recovered an LG Flatron L196WTQ-BF Monitor. I plugged it in and it did not power up. I realize there is probably a problem internally, so I have disassembled it and taken photos of the board.

http://www.flickr.com/photos/tnwagn/sets/72157622666382163/

If you see anything that jumps out as being broken/wrong let me know so I will be able to repair it.

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Here is a link to a How To on this monitor (and similar) they offer cheap parts as well.

http://www.ccl-la.com/blog/index.php/lg-l196wtq-bf-lcd-monitor-repair/comment-page-1/#comment-136

Posted on Apr 27, 2010

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I can see at least one capacitor by the yellow transformer has bulging top. Replace those green capacitors with PANASONIC FM series from DIGIKEY. It has low ESR, and high ripple current handling. You can also use FC series if they do not have the FM series instock.
http://en.wikipedia.org/wiki/Capacitor_plague

http://dkc3.digikey.com/PDF/T091/P1574.pdf

Posted on Nov 12, 2009

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1 Answer

Lg 1752s goes into power saving mode when pc is turned on


Hello Alan,

That is actually not power saving mode, the flashing power light indicates the power supply is not starting up correctly and keeps shutting down and trying again. This is a very common symptom of a failure of the capacitors on the power supply board. The L1752s uses the AIP0157 power supply board which is the same board the is used in several LG monitors such as the L196WTQ and L194WT. Here is a link to a repair guide for the L196WTQ that shows what capacitors to look for and replace on the power supply board to bring the unit back to life.

http://www.ccl-la.com/blog/index.php/lg-l196wtq-bf-lcd-monitor-repair/

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

May 15, 2012 | LG L1915S 19" LCD Monitor

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How to open a lg monitor 196wtq


Here is a link to a dis-assembly and repair guide that should get you going.

http://www.ccl-la.com/blog/index.php/lg-l196wtq-bf-lcd-monitor-repair/

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

BuddyMc

Feb 14, 2012 | LG Computers & Internet

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When I came home today the blue monitor light was on, but there was no picture. When I moved the mouse to get the monitor up, the light went out. I've tried unplugging it and plugging it into...


Here is a link to a repair guide for the LG L196WTQ. It sounds like you have a power supply failure and the guide shows how to open the unit, check the power board and then what to replace if you do find bad capacitors.

http://www.ccl-la.com/blog/index.php/lg-l196wtq-bf-lcd-monitor-repair/

Problems like wavy or flickering picture, flashing power light, slow to display the picture or no power at all are all symptoms of a failed or failing power supply board.

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

BuddyMc

Jul 25, 2011 | LG L196WTQ Monitor

2 Answers

HOW TO CHECK A LG FLATRON L194WT-SF MONITOR FUSE, THE REAL PROBLEM IS HOW TO REMOVE THE BACK COVER


Here are the service manuals: http://elektrotanya.com/?q=showresult&megnev=LG&megnev2=L194W&kategoria=monitor&kat2=all

After removing all the screws and the base, I use thin flat blade screw driver to crack open the case starting at the bottom egde and work your way around, just watch out for any cables attached to the front bezel. The monitor is not made to be easily open up.

Please read my guide so you will know what to look for inside the monitor.

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.

Mar 15, 2011 | LG FLATRON L1919S-SF 19 inch LCD Monitor

1 Answer

How do i dismantle L192WS LG monitor ? please help


Hello,

We have a full disassembly and repair guide for this model monitor posted on our site at:

http://www.ccl-la.com/blog/index.php/lg-l196wtq-bf-lcd-monitor-repair/


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

BuddyMc

Jan 01, 2011 | LG L196WTQ-BF 19" Monitor

1 Answer

My monitor, Flatron L196WTQ-BF, just quit working one day. I have tried to get it to work, checking power, moving to different computers, etc, but it won't light up at all. The on/off switch remains dark...


Hello,

It sounds like you have a failure in the power supply board. We have a free repair guide posted on our site at: http://www.ccl-la.com/blog/index.php/lg-l196wtq-bf-lcd-monitor-repair/ that should get you back going again. The guide shows you how to remove the case and what to look for to identify the problem. Look it over and see.

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

CCL_Tech
Corporate Computer
www.ccl-la.com

Sep 04, 2010 | LG L196WTQ Monitor

2 Answers

LG L196WTQ monitor just quit working. won't turn


Look in the power supply section first for bad caps, post back what you find inside, pictures will help a lot to guide you through, see example of failed monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums

Jan 24, 2010 | LG L196WTQ Monitor

1 Answer

My LG L196wtq-BF went black this morning. No light on the power switch. How do I get the back off the monitor?


Hello,

We have some dis-assembly guides on our web site at: www.ccl-la.com/badcaps.htm There are not for your exact model but they should help.

Buddy
Corporate Computer
www.ccl-la.com

Aug 31, 2009 | LG L196WTQ-BF 19" Monitor

1 Answer

I have a LG L196WTQ-BF flatron screen. Computer powers up but screen does not turn on. I lhave used this for a couple of years with not problems.The computer I am using is a HP Pavilion a430n.


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 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

Jun 28, 2009 | LG L196WTQ Monitor

1 Answer

Dead Screen


Hey hows it going,

My name is ArmyMason, lets see if I can get you going in the right direction. www.partstore.com might have a deal on the parts you need but I am thinking it would be cheaper for you to buy a new monitor or consider hitting up a local pawn shop for a cheap replacement. These parts can cost more than the whole monitor because LG buys parts in major quanity and we all know (WalMart effect) the more you buy the cheaper the price. So if you need to take it apart in the back of the monitor are a bunch of screws start unscrewing and make sure you know where they all go. tape them near the hole so that you can find them later. Once all apart, be sure to wear gloves, dont want anything to possiably contaminate you. (LEAD)... get the part number off the screen and look it up in that site. Order it and replace it. It is straight forward to replacing it.

Good Luck,
ArmyMason

Feb 24, 2009 | LG L196WTQ-BF 19" Monitor

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