Question about LG Studioworks 700S 17" CRT Monitor

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MONITOR WAVE IN LG 700E

There is a definite wave problem in my monitor first it was connected to UPS and then to direct power but it doesnt solve the problem what to do ?

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  • 92 Answers

Have you tried to increase refresh rate ? Maybe to 80 / 85 Mhz

If that doesn't solve your problem, takit to a Tv technician to desmagnetize your monitor.

Best Regards !

Posted on Jun 24, 2009

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Posted on Jan 02, 2017

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Hi, I am Indra,, I have a LG Studioworks 563A monitor,, always time is ok,, but evening time is some disturb me,, this monitor evening time voltage capability fault with UPS,, when i start my computer, UPS...


Not sure I fully understand the question but I'll give it a shot. If you mean that your UPS backup shows a fault.. more then likely the problem is with your UPS backup and not your monitor.. (unless your monitor is shorting out or has to much feedback to the power)
A few things that can cause this is a BAD UPS battery or a underrated UPS backup for devices. Based on the information you gave this monitor is a OLD CRT type monitor which uses quite a bit of power. I would first try the UPS backup with other devices to see if the same problem happens just like a computer or any other electrical device with out the LG connected. If the same problem occurs replace the battery and/or UPS backup, if it doesn't ... then you might have to just replace the monitor as it might be shorting out. With out proper test equipment a definite answer might be hard to come by.

Nov 05, 2013 | Computers & Internet

Tip

UNINTERRUPTIBLE POWER SUPPLY


UPS – UNINTERRUPTIBLE POWER SUPPLY
Uninterruptible power supplies provide protection against mains power faults to computer equipment.
These faults include voltage spikes/interference, over voltage and under voltage, mains supply interruptions and surge protection etc.
These faults can cause computer and electronic equipment that are connected to an unprotected mains supply to malfunction and/or sometimes fail.
A common problem, when burning Cds, DVDs etc. any slight power interruptions to the burning process will halt the recording process and rendered the disc useless.

There two type of Uninterruptible Power Supplies
The lower powered and cheaper type UPS are switch-over types, when the mains supply fails, the UPS switches over to the batteries and inverter in milli-seconds which then supplies mains power to the computer and peripherals. A faulty inverter circuit and or flat batteries won’t deliver standby power when the mains supply fails.
NOTE : The mains waveform from these UPS is a pseudo sine wave (i.e. not a true sine wave).
The true UPS types are usually the higher KVA units (over 1500 VA) that supply continuous mains power. The mains power is connected to a charger which charges the batteries and then the inverter draws power from these batteries and converts it to true sine wave mains power to the computer equipment, therefore there is no switch over time lag when the mains supply fails.

on Dec 06, 2009 | Computers & Internet

1 Answer

It worked yesterday perfectly well. But today, i just switched on the UPS, then switched on the monitor and the UPS went off but the PC is still on. I then disconnected the Monitor, Now the UPS is on but...


Seems that the UPS has failed and so cut off power to the monitor. So please check your connection once again. The PC and the monitor must be given to the UPS and if the PC stays ON then the monitor must get power. So connect them to direct power to confirm if there is a fault, if so the power supply section would have failed.
now check on the UPS , check the battery on the UPS, is low it can disconnect. If so replace. Other wise the driver MOSFETS could have failed or a possible fault in the mother board.

Jul 29, 2011 | Acer AL1717 17" LCD Monitor

1 Answer

My ups cannot give backup when AC power fails no power supplied to PC then PC is restarted but i replaced a new battery but no result found. What is the solution for this problem ?


It sounds like you have a computer with an Active PFC (Power Factor Correction) Power Supply.

Back-UPS units, when running on battery power, output a Modulated / Stepped Sign Wave. Active PFC Power Supplies are NOT compatible with this pseudo-sign wave power, which is the reason it will not stay running.

You need a Smart-UPS unit, capable of delivering a true sign wave when on battery output.

Feb 13, 2010 | APC Back-UPS 400VA (BK400) UPS System

1 Answer

Wave like disturbance in monitor after moving


change your refresh rate on the monitor, plug it into a ups to regulate the power. may have emi interference coming from other sources

Aug 06, 2009 | iiyama Computers & Internet

1 Answer

Monitor 2400 heater will shut down when I run My generator


A UPS unit might work. Electronics need steady clean power.

Dec 18, 2008 | Intel CASE 350W PWRS ALLIED W/ 24PIN +...

1 Answer

Emerge UPS 500va special power supply not working..


there is a fuse behind the ups which can be removed by opening the socket replace it if faulty
and you can operate the ups

Nov 27, 2008 | Computers & Internet

1 Answer

The monitor goes into power save mode and the ups disconnect


It should work, make sure each profile is set the same way. Keep in mind you should still be able to utilize your standby feature, and your screensaver as well.

Nov 13, 2008 | Belkin (F6C800-UNV-PL) UPS System

2 Answers

Screen Shaking


make sure your pins on your mail connecter are 100% ok,then u
UPS of that system place far from the moniter .Insert VGA driver cd into drive and driver update via device manager and restart u r
system.In case ur graphics card damaged the moniter normaly
work as u describe.

Jul 17, 2008 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

Ups randomly shuts off


Hi, Could be anything but chances are it's the battery. It's very rare (but still happens) for the electronics of a UPS to be faulty. Try leaving the UPS powered on but without any load (PC, monitor, printer off) for a few hours or better still overnight. Try it again and observe if the random shut off occur. If yes, then it is time for a replacement battery. At certain instances, it may be that the UPS is working too much (overloaded), try just running the CPU to the UPS and the monitor directly connected to the mains. Hope this be of help/idea. post back how things are or should you need further information. Good luck and kind regards.

Aug 28, 2007 | TriPro Power (POW-1000AS) UPS System

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