Question about LG Studioworks 57M Monitor

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When I connect the input supply of monitor it goes off after a few second a sound of relay operation comes.its front indication light glows green but no light on screen. the CRT filaments glows. please guide and also provide a circuit diagram of the monitor on my e-mail thanks

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SOURCE: Sony Trinitron K29 inch CRT TV screen shows green shade!

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Posted on Jan 03, 2008

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SOURCE: monitor LG FLATRON E700SH

Sir,
I hve read all above statement which shown as above. but in my case monitor take time to ON and display the screen, its take at least 45 minutes to start up and display the window screen. So please to send me solution about my Query.
Thank's

Posted on Oct 11, 2008

  • 1684 Answers

SOURCE: Screen comes up for about 10 seconds, then goes blank

Hello Robert,

You have a monitor with a common problem. After a few years some LCD monitors will blow a power supply. The problem is caused by parts called capacitors overheating in the confined space of he monitor. If you are good at electronics repair/soldering you can usually fix he problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You can take the back cover off your monitor and look for the bad parts, replace any that look like the pictues and your monitor should work fine. The capacitors do need to be installed with the correct + and - connections, note the stripe on the old one and insert the new one the same way. If you don't want to try the repair yourself we offer a repair service for $35 plus shipping. I hope this helps, if so please rate my solution.

Buddy
Corporate Computer
Over 21 years of computer and printer support/repair

Posted on Jun 19, 2009

  • 1 Answer

SOURCE: LG Studioworks model (500G)CRT Monitor flickers most of the time

lg 500g studioworks green color

Posted on Sep 03, 2009

paulbtorrent
  • 34 Answers

SOURCE: My monitor shuts off(goes blank for a few seconds

The monitor is doing a self test a finding an error.
The lcd has three parts, the screen plate(windows)/the logic(vga)/the inverter(power plug). Parts that go are the backlight ccfl's, behind the plate, and parts of the inverter, ie capacitors, all three take a bit of power from the inverter. The self test check that all the lights are ok and the inverter is ok, else it switchs off, ie if 3/4 light work it will switch off(my own case), hence the on chech error then off, However sometime there are stages of on/off ie on/ but no screen display, if that is the case the following may be of help...if you put bright light at an angle close to lcd can you see a windows shadow, text icons etc, ie still logic power passing,then .... (from a.n. other) after two weeks searching I finally find doctor living stone http://www.aplusperfect.com/articles/lcd_capacitor_repair more fun with paulbtorrent
the takening the case bit off is like opening your wallet a second time after buying a new LCD, but you must! smallest two screw driver's flat headed, practice using two pennies stuck together()with your fingers after, one little () move and inch and {} again, with the case , it does not break, just need to lever open
[once open you realize they somehow put that old briefcase clip inside!] also note the bright light test to do first to see if can see a windows screen , and that capacitors are one for a number of things that a make a inverter work! there a transistors as well, given that however, to replace all the capacitors on my inverter, was 11 capacitors, cost me $11 (uk ebay) and already had the iron and solder. So only cost me me $11 to try and see but no luck , still fun and I still can see the screen for 2 sec' at a time plus I have a spare set of caps now in the event that the new one do go burst! you have to laugh really, what next , a new on/off button, as you work though the whole inverter mmmMMMMmmmMMMMmmmMMMMTim Berners-leeMMMMMmmmmMMMMMmmmmcome back all is not wellMMMMMMMMMMnnnnnnweek later land sight mmmmmMMMMMMMMMmmmmgggggggg(from
another a.n other)Generally, if the screen went out quickly, it was the inverter. If it went out over a slow period of time (flickering etc..) I would bet it is the lamp.replaceing the lamp should be pretty challenging. as that requires complete breakdown of your LCD, extraction of your dead lamp, and soldering in your new lamp... but I would like to say that I it did this after realizing it's 2 x kitchen strips inside [========] with wires that can connect back to the inverter with out any desoldering(ie kit assembly/dis) with the outter case remove (glass plate safe away) I could reconnect and see that 3/4 were working (i!i hardcard ) cause the inverter to switch off after a secound ! order bult and replace and going
to cheap and see if I can get away with fitting a 15" in my 19' as it a 1/3 of the price ! the market as drop out there, hope the inverter does not miss the length, or the screen out put.http://www.lcdparts.net/howto/troubleshooting/LaptopCCFL1.aspx OR MONITOR

Posted on Feb 08, 2010

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1 Answer

I have a Mitsubishi VS-50501A Rear projection TV. When I push the power button the green comes on for a few seconds then goes out. The TV will not power on.


This one may or may not have the self check:

when green light goes out on front of set press menu and input (device) buttons at same time and hold for at least 5 seconds and let go: if it has self check power light should blink a two digit error code and repeat it several times.

If no response it indicates some problem in main power supply (set is in shut down)

I need to know what skills you have; what I have seen mostly in these early sets is bad solder connections that develop on main boards; I can tell you where and what to look for but it involves getting at the boards and being able to solder.

Before you rate this information let me know what you find and remember I am here to help you.

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You could try unplug the sound bar from the back of monitor if you have the sound bar installed. Just a maybe..
To fix the inverter (replace) is usually better to buy newmonitor unless you do it your self.
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Go here to start looking if you want to try yourself. http://www.lcdparts.net/DI3D.aspx

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http://i133.photobucket.com/albums/q68/rwlib3/DSC_0426.jpg
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