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Hello my lg monitor is lg 710b The picture is squeezed in the middle of the monitor. it must warmup for a few houres to work properly. I need The service manual of the interrior hardware

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Please look through here:
http://elektrotanya.com/?q=showresult&megnev=LG&megnev2=710B&kategoria=monitor&kat2=schematics

That is a strange symptom.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Posted on Dec 31, 2010

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Posted on Jan 02, 2017

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2 Answers

Al2032w


Hello,
This usually indicates that the filter capacitors in the power supply are not working right. When the unit is turned on they should build up a charge that lets the board power up the monitor but when they start to go out it takes longer and longer to get the charge built up. Here is a link to information on rebuilding the power supply board by replacing the capacitors, this should get you back up and running.

www.ccl-la.com/catalog/product_info.php?products_id=288

Dec 08, 2012 | Acer AL2216WBD LCD Monitor

1 Answer

My monitor is not displaying after few minutes when it starts


Connect the monitor to the VGA-output port of any laptop.
Does it work for a few hours, or just a few minutes?

If it works for hours, then your computer's video-card is the problem.

If it works for just a few minutes, then it's time to replace the monitor (it's too expensive to get a qualified technician to try to repair it).

Jul 16, 2009 | LG Computers & Internet

2 Answers

Screen flashes and sides squeeze in and out


If this is a CRT, then the horizontal deflection circuit is faulty.
The repair is generally not worth on CRT.

First try leaving monitor power cord unplugged for few hours, to discharge capacitors, sometimes this can fix minor problems.

Test also the display on different computers, you never know that this depends from a faulty video adapter.

More likely you will need to replace the screen.

Jul 02, 2009 | ViewSonic A70f 17" CRT Monitor

1 Answer

I need help


Pin cushion on old CRT monitors (not the flat LCD type but the larger monitors) use to have a setting called that where it would look like the screen was being squeezed in the middle or pulled outward at all four corners. If you were to take a couch pillow and squeeze it in the middle, you would notice that the corners push outward and if you pull from the middle they retract inward.......that's sort of what pincushion settings do on your monitor. If you play with the setting you would see what I am talking about but on most newer monitors you should have a "auto" button that will calibrate everything for you. But again, this is something you usually will have problems with on older monitors.


Here's a definition of it:

http://www.webopedia.com/TERM/P/pincushion_distortion.html

and here's a picture or two (down at the bottom of this page):

http://www.tpub.com/content/navyict/14120/141200340.htm

Let me know if that helps!


Mar 14, 2009 | LG Flatron L1715S 17" LCD Monitor

1 Answer

The picture at startup and for approx. 2hours is squeezed in at


Since the set seems to "correct" itself, it suggests that there may be some poor solder connections that are causing the initial problem. If you can solder, try resoldering the pins of the convergence ICs. If that fails to resolve the problem, let me know and we'll start looking at other component failures.

Dan

Dec 01, 2008 | Mitsubishi WS-55513 55" Rear Projection...

1 Answer

The shrinked screen with two white vertical line in the middle


B+ line going hi.
probably bad capacitor on hot's collector.
could also be leaky dual diode.
if non of above, look for swollen cap on main board.

Jul 12, 2008 | LG Studioworks 700S 17" CRT Monitor

1 Answer

LG Studioworks 700E


It sounds like one of the capacitators inside the monitor is malfunctioning, these little things store a certain amount of necessary power and then discharge it when it is needed.  If it is malfunctioning, it could explain why it takes so long to charge, and why when you hit it, it suddenly comes on.  

Jan 09, 2008 | Computers & Internet

1 Answer

Screen


first of all , it could be a solder problem try resoldering taking care do not leave any shorts circuits por ahi,may be a shorted coil, you have to test them all,look for a shorted diode esp. in de horizontal area. if any of this things sounds rare, leave it to the repairman!

Jul 07, 2007 | LG Studioworks 700S 17" CRT Monitor

1 Answer

Picture squeezed horizontally


we have right click on desktop <properties<settings <apply ok

Sep 09, 2006 | LG Studioworks 563N 15" CRT Monitor

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