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LG Flatron w2241s backlight problem

Hi guys, have that prob that a lot of people seem to have with this monitor, I already checked the capacitores, they seem fine within 10% of their capacity, but the problem persists. Can anyone give me another hint? Thanks

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Posted on Jan 02, 2017

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SOURCE: LG Flatron Monitor-adjust height and color,%20Swivel,%20and%20Vertical%20Extension
4:29:29 If locked in the down position, 1. Push the monitor down, 2. Press the Lock down / release button on the bottom rear of stand to unlock the monitor. 3. Lift the monitor up and extend the stand to the desired height.

Posted on Apr 12, 2009

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SOURCE: I have a L194WT LG Flatron monitor. One day it

Same problem started happening two days ago and ever since. I called LG and the product falls under a 3yr product warranty according to them (from my original purchase date of January 20, 2007). They will send packing slips to me so I can send the defective unit back to LG. I was told I am eligible for a replacement monitor - which will be shipped to me within 10 to 14 days (consecutive days, not business) - although I'm not sure what I'm being sent in return. My suspicion is that this monitor issue is a known issue by LG and they are quietly replacing the unit to those who follow through by calling CS.

Tips: Have your original purchase date on hand (in the form of a receipt) just in case they want proof of purchase.

Posted on Apr 27, 2009

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I had the same problem with my 22" X2Gen, first the monitor started what looked like a random color temperature shift, ie the screen would switch between a yellowish and blueish tint, then it wouldn't turn on and the amber standy by light flashed on and off. I took it apart and replaced the 2 220uF25V capicators with 2 220uF35V caps I got at radio shack, part number 272-1029. Don't worry about the voltage mismatch I'm pretty sure it doesn't matter, the voltage is the maximum the cap can withstand and has nothing to do with the voltage in the circuit. The caps are located on the board that the AC cord plugs directly into, it has a plastic (almost feels like paper) sheild, the caps are marked C812 and C813 on the circuit board. There was no 47uF35V cap that I could find, anyway replacing the two did the trick, all for under $3, I almost went out and bought a new monitor ;) Hope that helps.

Posted on Jul 20, 2009

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SOURCE: lg flatron won't turn on

have u checked the internal fuse take the back off and look for a glass fuse

Posted on Jul 26, 2009

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SOURCE: i want to know ls flatron monitor shape settings

there is usually a default setting in the os menu.

Posted on Nov 12, 2009

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My LG Flatron L1750S has just glowing white screen and no on screen setup menu either.


That is a common symptom of a failure of the filter capacitors on the power supply board. When the filter capacitors go out the backlight can get power so there is light but the control board is not powered up so you get no picture. You can rebuild the board and bring the unit back to full working condition by replacing the defective parts. Here is a link to information showing what capacitors you will need to get to do the rebuild.

And here is a picture of what the AIP-0108 power supply board looks like


I hope this helps,

Nov 27, 2012 | LG Flatron L1750S 17" LCD Monitor

2 Answers

Good Day, I have an LG Flatron W2442PA. The screen keeps dimming, re-adjusting the brightness etc. Can you please tell me how to fix this?

Power capacitor problem or failing board in the monitor. Best solution is to get it checked out by a professional. I'm assuming you have already tried this monitor on another computer or laptop? If not, try that first, if it then works ok, check the DVI lead and the graphics card on the computer you are using it on

Jul 05, 2011 | LG W2442PA 24" wide LCD monitor, DVI,...

1 Answer

I have a monitor,model Flatron w2241s-bf,I haven`t used it for 2 weeks,and after that,when I plugged it in,it did`n work,the blue led blinks once for about 1 sec and after that it`s ``dead`` .What`s the...

Components assembled in China are rated for 1000 Hrs. and 85C. Using a Fluke 16 or other Capacitor tester; you will find that the high voltage side of the power inverter has blown Caps and this also takes out the Switch Transistors. You can get these passive components at Be very careful when soldering these Transistors in. This will solve your problem. I also drill several additional holes in the heat shield and back cover to help dissipate heat from the inverter board. If you are not technically savy in component testing I would recommend purchasing a different model /monitor.

Sep 24, 2010 | LG Computers & Internet

1 Answer

Is there a fuse

Hey Guys, I have three LG Flatron 17" LCD Monitors, two of which have broken but successfully repaired.

The problem I had with both was loss of power. After turning the monitor off or leaving overnight the monitor was not turning on and no light was seen.

I opened up the monitor and saw that there were 3 capacitors that were blown, you can tell this by the bulged up top part of the capacitor. the good ones are flat on top.

the three capacitors I replaced were (2) 1000uF16v (1)680uF25v

although the electronics store i went to did not have the 680nF25v so I opted to try a 680uF50v which seems to work fine. each of these costs around a dollar. cheap fix!!

tools you need: soldering iron, solder,capacitors, Phillips head screwdriver.

For more information please feel free to contact me:
tell me your success stories!!

May 10, 2009 | LG Flatron L1750S 17" LCD Monitor

1 Answer

Monitor cuts off

In power saving mode to preventing futher damaged to the monitor. It's seems you got a busted backlight inverter. Need to replaced a new one or repaired it... Happy Holidays!

Nov 11, 2008 | LG Flatron L1750S 17" LCD Monitor

1 Answer

LG Flatron monitor

In power saving mode to preventing further damaged to you monitor. You've got a busted backlight inverter that need to be replaced. Happy Holidays!

Nov 06, 2008 | LG Flatron L1750S 17" LCD Monitor

2 Answers

Monitor won't light up. Only just for a second or two.

this issue is made by defective torch or lamp at the back of LCD...


Aug 05, 2008 | LG Flatron L1515S 15" LCD Monitor

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LG Flatron ez t713sh 17" CRT Problem:

I already have the solution to that problem. It is a faulty capacitor that needs replacement. If you want you can copy and paste this link

Jun 30, 2008 | LG Flatron Ez T710BH 17" CRT Monitor

2 Answers


most common lcd monitor break down, check all electrolytic capacitors for leakage and loose board solder specially on the ccfl inverter section.

May 01, 2008 | LG Flatron L1710S 17" LCD Monitor

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