Question about LG 700M 17" CRT Monitor

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Monitor does't start with power on. It starts after 4-5 minutes.

When I start my CPU then my monitor's green light starts with blinking & after 4-5 minutes monitor gets started. I am facing this problem from previous 5 to 6 days. Before 5-6 days, I had formatted my system perfectly. I have faced this problem first time in my life. So i want to know, in monitor does any part get expire after certain time period. Because I have formatted my system before many times but this problem is occurred first time. So I don't think that this problem may be due to format the system. I think some part of my monitor get expired. I want to know exact reason of this problem. I have purchased my system on 30-sep-2006. Please solve my query with proper solution. Thanks!

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: monitor is dead (power indicator blinks green)

Smacking the monitor works for me. Really.

Posted on Nov 01, 2007

chinna_1977
  • 65 Answers

SOURCE: monitor dosn't atart

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

Posted on Oct 15, 2008

rj_8017
  • 22 Answers

SOURCE: LG flatron L1730S: Starting problem

change the power section capacitors..

Posted on Feb 10, 2009

ginko
  • 19396 Answers

SOURCE: 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.

Posted on Apr 22, 2009

  • 290 Answers

SOURCE: monitor wont power back on,

It sounds like something to do with auto shut down or power saver mode on your monitor. you may have to replace the power supply in your monitor.
It could also be the VGA cable or the VGA connector bent pin.
Step through the menu to see if there is an option to disable auto shut down.
Hope this helps

Posted on Mar 14, 2010

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If there is a flashing led on front of the monitor, 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.

1 The 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 suddenly are a blown capacitor on power board, the inverter board powering up backlight lamp has blown, or a fault on main lcd controller board.
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Check connectors, try moving the video cable, and if the cable is not built in, then also try a replacement cable.

If under warranty contact manufacturer to find out a service point.

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