Question about LG Studioworks 700S 17" CRT Monitor

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Flickering at bottom left hand corner of screen

LG Studioworks 700S monirot has a minor flickering at bottome left hand side of screen. How do I fix it please or is it a sign of bigger problems to come?

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  • laurietoo482 Jan 10, 2009

    Many Thanks. problem appears to have been caused by new
    (el cheapo) Speakers. Thank you for the prompt response...can I present you with another problem...this time to do with error messages reappearing one after the other at Startup...4 msgs relating to Logitech items that have been removed from the PC, but the system insists on searching for the files....If this is out of your league please advise another source of info...:)

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Remove every Electromagnetic interference source in a 50 CM radius: speakers (low cost speakers are unshielded), fan, transformer, UPS.
Make a symple test using an AM radio: if you ear noise when approaching the area (screen Off) remove the source of interference.
Some time a different orientation of devices will fix the problem.
It worked for me

Posted on Jan 10, 2009

  • Pat Batta
    Pat Batta Jan 11, 2009

    Please represent your new question on a new request and I'll be glad to send you a solution for you very common problem when installing and removing devices.
    Thank you for rating my solution


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Remove any speakers or magnets that you might have near the monitor as they can cause visual distortion on your monitor screen.

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Hello
Select reset option by monitor menu, set it to default first. Then try to adjust the width and height of the screen. If this does not help you, try other resolutions set by the system.

Nov 26, 2011 | LG Studioworks 700S 17" CRT Monitor

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Dear Sir,

This problem is not from monitor side,check computer RAM.Clean it twice and reinstall it on place.If you are using VGA card then disconnect it from PCI slots and connect VGA cable to on board VGA . I think it solves your problem.Let me know

Jan 08, 2011 | LG Studioworks 700S 17" CRT Monitor

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Green light flickering & Sunset red screen display.


You've got components that have gone bad, probably from age and the normal heat inside a CRT monitor case.

I hate to say it, but it's really not worth fixing. You can usually find a used but working 17" monitor for under 20 bucks.

Sep 27, 2009 | LG Studioworks 700S 17" CRT Monitor

1 Answer

There are 3-4 patches of colours on the sides of screen what is the problem in the monitor ?????


Sounds like a magnetism prob on your monitor. It happens occasionally and/or if a magnetic force has gotten close to the screen on CRT monitors. Speakers have magnets inside and many people place their speakers right next to their monitors. For your LG Studioworks 700S. I located a manual here:

http://safemanuals.com/user-guide-instructions-owner-manual/LG/700S-_E

Inside, on page A7 it indicates that the monitor has a "Degauss" feature. Activate it and your screen will jump around a bit before straightening out. This helps to restore the image.

Jun 11, 2009 | LG Studioworks 700S 17" CRT Monitor

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It is time for a new monitor in my opinion. This is usually a sign of the backlight failing.

Jan 25, 2009 | LG Studioworks 700S 17" CRT Monitor

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Dec 21, 2008 | LG Studioworks 700S 17" CRT Monitor

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trace abl from fbt to video preamp ic.
replace ic if nothing found bad.

Sep 23, 2008 | LG Studioworks 700S 17" CRT Monitor

1 Answer

How can i open mylg e700.


I have repaired various LG monitor & they all seem to suffer the same problem with the led flashing. The fault is fixed by replacing Q719 which is a Mosfet IRFS640 & C744 100uf100v cap, also check caps in power supply a couple of 220uf63v pop from the bottom. I have had the line output transistor s/c.If its the one Im thinking of, to take the back off . Tip the screen on its face & with a pair of long nose pliers wedge them into the clip at the bottom & use a flat blade screwdriver to prise the bottom slightly away. Then place the monitor upright using your screwdriver you have to pop the top. Push 2 inches from each corner. You have to push hard. Good luck.

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