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StudioWorks 700s Monitor No Signal

Hey all, I picked up a LG StudioWorks 700s Monitor for an old system recently, and i'm not getting a signal. It powers up fine, light goes green for a second then stays orange, all the while the screen remains black. When i unplug it from my video card (i think its a nvidia geforce2 64meg)however, i get the NO SIGNAL flashing all over the screen. When i plug it back in, screen goes black again. Any help would be greatly appreciated. Thanks, Ant

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ikkenom

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Try to connect the monitor to a different desktop/laptop, to see if it works at all.

Try a different monitor on your computer, to see if the video-card in your computer is the problem.

Or, spend $50 to $100 to buy a used 15-inch or 17-inch LCD monitor.

Posted on Aug 23, 2010

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LG 700E CRT 17" monitor,


problem with the monitor Display cable. it is damaged.

Normally monitor will receive 3 colors red, green, Blue signals from CPU. If one cable i.e Red wire connection is missing in display cable which is connected to monitor, Red color image on monitor wil be replaced with other fade color.
So, need the replace the display cable or display connector!

Dec 09, 2010 | LG Studioworks 700S 17" CRT Monitor

1 Answer

NO SIGNAL


1)PRESS NUM LOCK KEY IN YOUR KEYBOARD
2)IF A GREEN LIGHT IN KEYBOARD A GREEN LIGHT APPEARE IF CPU HAVE NO PROBLEM
2)REMOVE YOUR POWER CORD AND HOLD THE ON BUTTON FOR LIKE 30second TO A MINUTE AND THEN CONNECT IT BACK AND TURN IT ON

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if the monitors tub is old or cold its take sevaral minutes to warm up

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Check SDL,SCL Path and It's related parts(Neck board PCB 2 MICOM)
check Output Voltages of SMPS
And also check dry points.

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Oct 03, 2008 | LG Studioworks 700S 17" CRT Monitor

1 Answer

StudioWorks 700s Monitor No Signal


It could be that the resolution settings that you had with the old monitor are not compatible with the new monitor. Try hooking up your old monitor and either lowering or highering the resolution and see if that corrects the problem. Can you give me the model number off the new monitor so I can further look into the compatibility of the video card and the monitor.

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connect the monitor to the PC and restart the computer. Make sure your keyboard doesn't have any stuck keys.

Dec 20, 2007 | LG Studioworks 700S 17" CRT Monitor

1 Answer

Green color missing from my LG 700s model


as you are electronics engineer so let us discuss technically.

as you are unable to see green colour means you might be seeing picture of magenta colour

as technically

red+blue = magenta

crt has got three cathodes

your two cathodes circuit is fine one ckt that is green cathode circuit is not working.

for that problem your will have to check

  • cable from computer to monitor
  • loose contact in crt base.
  • crt connector loose
  • voltage on green video output.
  • green video output transistor might be defective.or print loose.
  • circuit related to green video ckt
  • green video signal coming to green video ckt.
  • & finally crt defective (in rare case.)
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  • good luck.

 

 

Oct 16, 2007 | LG Studioworks 700S 17" CRT Monitor

1 Answer

LG StudioWorks 700s Monitor NO SIGNAL


First of all I would check your video card. Do you have another monitor that works fine? If so I would hook the good monitor to your video card and see if you are getting a signal. If you still do not have a signal in the good monitor there is something wrong with your connection on your video card. Check the connector on your video card if it wiggles alot then it has come loose from the card. Best option here is to buy a new video card. If you feel that the connector is seated flush and does not move. Then you might want to look at two things. Either your monitor is not working properly or there maybe a piece of hardware that has come loose or unseated in your computer case. Try this and if you have problems feel free to contact me.

Sep 20, 2007 | LG Studioworks 700S 17" CRT Monitor

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