Question about LG Flatron L1951S 19" LCD Flat Panel Monitor

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Lg LCD monitor turns off after 5 seconds - LG Flatron L1951S 19" LCD Flat Panel Monitor

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Does it stay on when you plug it in IF the serial cable is not connected? Ours would come on and display "connect cable"...then when we did, it would shut off. Turns out it had a bad capacitor on the power board. Cost $1.25 to replace the part.

Posted on Dec 17, 2010

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Posted on Jan 02, 2017

budmrtn
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SOURCE: My LG 17" LCD monitor

Look for bad caps with domed tops in the power supply/inverter board first.
http://s807.photobucket.com/albums/yy352/budm/LG%20L1751S/

If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed LG monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

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.
Please leave rating if it helps.

Posted on Jan 22, 2011

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Best way to remove a parental lock from a lg plasma tv


LG Service Menu Instructions

Method 1

Press and Hold <OK> button on remote as well as TV panel at the same time for a few seconds.

Method 2

Press and hold the {MENU} button on the remote and the {MENU} button on the TV at the same time for at least 5-7 seconds.

Method 3

Press and hold the {MENU} button ON THE REMOTE until a 4-digit password screen is displayed.
LG Service Menu PIN/Password Codes
  • 8 7 4 1
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LG LCD Monitor Service Menu Instructions
  1. First turn off the lcd monitor, then press and hold the "MENU" button, then turn on the monitor. Release MENU button after the monitor is turn on.
  2. Press "MENU" button to open the OSD menu, at the bottom of menu, you can see a new selection to go into the factory service mode. Inside the factory service mode, you can see useful information like, product model, manufacturer date, F-ENGINE chipset version, lcd panel number and etc.

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Lg Flatron L177WSB OSD LOCKED


Press and hold the MENU button for about 5 seconds. This should unlock the controls. On some monitors it will be the power button that you need to press for 5 seconds to unlock.
If none of this works, it may be a malfunction needing servicing.

Apr 24, 2012 | LG Flatron L1951S 19" LCD Flat Panel...

1 Answer

How to unlock osd


Hold the MENU button for 5 seconds, the 'OSD LOCKED' will appear, to unlock, hold MENU button for 5 seconds, the 'OSD UNLOCKED' will appear. It may not work on ALL LG LCD panels.

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 pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Parts: http://interliquidparts.com/

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.

Jul 11, 2011 | LG L192WS LCD Monitor

1 Answer

How to unlock the OSD lock


Hold the MENU button for 5 seconds, the 'OSD LOCKED' will appear, to unlock, hold MENU button for 5 seconds, the 'OSD UNLOCKED' will appear. It may not work on ALL LG LCD panels.

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.
Please leave rating if it helps.

Feb 17, 2011 | LG Flatron L1951S 19" LCD Flat Panel...

1 Answer

I have lg lcd monitor.the power indication is turn on red..there is no disply..what should i do?


royrocky1989, The first thing you should do is write down on paper, the brand of lcd monitor, model number, date of manufacture" . Second thing to do is visit YOUTUBE and watch 5 to 15 useful video clips of owners/technicians who do their own troubleshooting and repair to their lcd monitor's switch mode power supply/inverter ballast circuits. Then come back to fixya and tell us if you feel confident enough to undertake the restoration of your unit. Search terms at YOUTUBE are "lcd monitor disassembly" and "lcd monitor repair" Good luck with the repair 12fixlouie

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My osd is locked how do i fix it


Try this:
Hold the MENU button for 5 seconds, the 'OSD LOCKED' will appear, to unlock, hold MENU button for 5 seconds, the 'OSD UNLOCKED' will appear. It may not work on ALL LG LCD panels.


http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague

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1 Answer

OSD Locked How do I unlock the monitor?


Hold the MENU button for 5 seconds, the 'OSD LOCKED' will appear, to unlock, hold MENU button for 5 seconds, the 'OSD UNLOCKED' will appear. It may not work on ALL LG LCD panels.
Please post back, otherwise check the owner manual.

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague

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Here is the user manual: http://safemanuals.com/user-guide-instructions-owner-manual/LG/L1915S-_E

Page 8: HOLD THE MENU BUTTON FOR 5 SECONDS, THE 'OSD LOCKED' WILL APPEAR. TO UNLOCK, HOLD THE MENU BUTTON FOR 5 SECONDS, THE 'OSD UNLOCKED' WILL APPEAR.

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Lg flatron w2234s monitor is flashing ??


Hi,
The problem is the VGA part of the moniter is playing up. Two areas, one the MCU on the vga card, the other is a faulty transistor on the vga card. Repairs on a PCB VGA circuit are impossible with out the right tools.
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