Question about LG L196WTQ-BF 19" Monitor

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How to replace LG L196WTQ-BF Computer light bulb

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Are you sure that the lamps (4) are bad and not the backlight inverter circuits.
Service manual: http://elektrotanya.com/?q=showresult&megnev=LG%20&megnev2=%20L196WTQ-BF%20&kategoria=monitor&kat2=schematics

Not all the LCD lamps can easily be removed, some of them you have the completely disassemble the screen to get the lamp asemblies out. Need to do voltage checking and caps inspection first, it should have 5vdc for the logic and 16~18vdc for the inverter circuits
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses; poor solder joints, 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://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Posted on Jul 09, 2010

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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.
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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

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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.

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That means your monitor is not receiving a signal from your video card.

A couple things to check:
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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

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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

2 Answers

LG Flatron L196WTQ-BF Monitor will not power on


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

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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

LG Monitor L196WTQ-BF ..weird image stuck on desktop??


The "image" you are talking about: Is it there when the monitor is off? If so, you are correct--it's broken and must be replaced.
Is it on the desktop when you start the computer and does it stay there no matter what program you are running. If the answer is "yes" then I'm afraid the answer is the same.

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