Question about LG Studioworks 700S 17" CRT Monitor

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LG 505G problem

LG 505G no display monitor just a flashing blink on the power led

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It can be a cold soldering..

Posted on Jul 07, 2009

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Posted on Jan 02, 2017

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My lg 505G not giving any display just blinking the green led.


LOAD THE LG505G DISPLAY DRIVES FROM THE FOLLOWING LINK

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LG 700E monitor's power LED blinking continueously and there is no display solutin ........

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May 30, 2009 | LG Flatron F700B 17" CRT Monitor

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LG 700E monitor's power LED blinking continueously, no display


The monitor is probably on protection.

To start unplug monitor from power and from computer and test computer with different monitor to find out if it is monitor or computer fault.

If it is computer fault and no video signal , then test:

  • Video cable.
  • Video adapter on PC (sometimes integrated on motherboard)
  • Motherboard.

If it is monitor fault , then the monitor is on protection.

When on protection you keep having a flashing led on front of the monitor , and monitor turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or a broken contact, identified an internal fault and kicked in , starting the flashing light.


If you are in situation one, then the monitor will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occurr are a blown capacitor on power board, faulty inverter board, faulty input board, or a fault on LCD Digital Controller board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.

Try moving the video cable, and if the cable is not built in, then also try a replacement cable.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

Apr 08, 2009 | LG 500LC Monitor

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LG 700E monitor's power LED blinking continueously, no display


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LG 700E monitor's power LED blinking continueously, no displaySolution.............

Jan 23, 2009 | LG Studioworks 700S 17" CRT Monitor

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LG Studioworks 452V LED's blinking


1. L O T Problem.
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3. Drypoints at neck base.

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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 http://loversdelight-ididitmyself.blogspot.com.

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