Question about LG Flatron L1510S 15" LCD Monitor

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When i put it on appear the video for 1 second and then disappear. probably stop the inverter for the back tft illumination. I change the 2 transistor Q105 and Q107 damage on the power board Delta ADP-30EP rev. B but the problem remain

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You may ahev bad inverter transformer, tunning caps (the one across the inverter primay winding), bad lamp assemblies.
Here are the service manuals: http://elektrotanya.com/?q=showresult&megnev=LG&megnev2=1750S&kategoria=&kat2=all

http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Posted on Jun 01, 2010

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Posted on Jan 02, 2017

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Lg inverter 2400btub..timer light 4blinks and returns to power light. This process repeated.


Change the inverter board if you are sure that the screen is ok . you can look for another tft lamp or led strip to test your inverter since u did not specify may be led or tft inverte ,if it light correctly then prepare to change your screen back light ,if not u change your inverter

Jun 26, 2015 | LG Televison & Video

1 Answer

MY VIEWSONIC TFT VM1918 GET BLACK SCREEN WITHIN FEW SECOND . WHILE THE PC IS WORKING


Back-light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
Main board too should be checked. Contact any service technician.

Oct 03, 2014 | Computers & Internet

1 Answer

Over the last couple of days my tv has no picture intermittingly


If the TV is older than 3-5 years or do, it is probably an LCD model with a fluorescent backlight. These backlights have issues with the inverter boards and/or the tubes failing over time. This is why newer flat-panels have gone to LED backlighting. Without the backlight, the picture is actually on the screen, but you aren't able to view it because there is no light to illuminate it. These CAN be repaired, but the cost of new TVs makes it almost most cost-effective to upgrade to an LED TV.

Sep 06, 2014 | Samsung Televison & Video

1 Answer

Neither picture is displaying on moniter nor sound is coming (DELL TFT moniter)


Which is a dell tft or compaq crt monitor ?
The Dell 1504FP is a flat panel LCD monitor that has a viewable area of 15 inches.
The monitor, which uses TFT technology, is designed to be used in a home or office and displays video at a resolution of 1024 x 768 pixels.
Over time, you may encounter problems using your Dell 1504FP monitor or it may cease functioning altogether.
Fortunately, there are variety of ways that you can repair the monitor to get it back up and running.
Shut down your computer and press and hold the power button on the side of your Dell 1504FP monitor if your monitor has a blank screen.
Unscrew the VGA video cable that connects the monitor to the computer.
Power the Dell 1504FP monitor back on and wait as it launches into the Self-test Feature Check.
During this period of time your monitor will make settings changes to ensure that it functions properly with your computer.
Firmly screw the VGA cable back into the rear of the monitor to ensure optimal video quality. Power both the monitor and computer back on and wait for your computer's desktop to appear.
Power off your Dell 1504FP monitor if the screen is dirty.
Wipe down the monitor using a dry microfiber cloth to remove any dust particles or smudges that have accumulated on the screen over time.
Power the monitor back on when you are complete and resume using it.
Press the "Auto Adjust" button on the right side of your Dell 1504FP monitor if the display is blurry and images appear out of focus.
Unplug the monitor's power cord for thirty seconds if the problem persists.
Plug the monitors power cord back into the rear of the device and power it back on.
This will reset the monitor and your display should now be focused properly.
http://support.dell.com/support/edocs/monitors/1504fpis/en/trouble.htm
Troubleshoot a TFT Monitor
TFT monitors can suffer from many potential problems, ranging from simple screen brightness issues to disconnected inverter or LCD cables.
These can cause video- and backlight-related failures on your TFT monitor.
Fortunately, you can attempt to repair these problems, even if you have no experience fixing a TFT monitor.
The only tool you will need is a Phillips screwdriver, although opening your TFT monitor will likely void its warranty.
Check the brightness settings on the TFT monitor.
There are dedicated adjustment keys on the bottom face of the TFT monitor.
If it is a screen incorporated into the design of a laptop, you'll find monitor adjustment keys on the top row of the laptop's keyboard.
A TFT monitor that has its brightness turned all the way down will appear to be almost completely dark.
Ensure the TFT monitor's power cable is still plugged in, if it is an external monitor. In the case of a laptop, make sure that the power cable is plugged in or that the battery is properly charged.

Disconnect the TFT monitor from the power source. If the TFT monitor is an external model connected to a computer tower, disconnect the video cable as well.

Remove the battery from your computer if you are using a laptop.
This is an important safety measure.
Turn the laptop over and slide the battery release mechanism over.
This mechanism is just below the horizontal outline of the battery on the underside of the laptop.

Remove the screws on the bezel of the TFT monitor.
The bezel is the plastic piece surrounding the TFT screen.
The screws will likely be covered with plastic seals for aesthetic purposes, so pop these seals off with your fingers and remove the screws using a Phillips screwdriver.

Pry up on the bezel gently and remove it.
Start at one corner and work along the bezel's perimeter with your fingers.
There will be small plastic latches between the bezel and the rest of the computer you'll need to disengage.

Check the TFT monitor's inverter cable.
This black cable lies at the bottom center of the monitor and should connect to a socket on the inverter board, which is the green color horizontal strip that lies just below the inverter cable.
If the cable is loose from the board, the TFT monitor's backlight will fail. Pull up on one side of the socket and slide the cable back in, then press firmly down on the socket to lock it down.

Remove the metal brackets on either side of the exposed TFT monitor if the inverter cable fix does not solve your issue.
There will be two to three screws in each bracket that must be removed using your Phillips screwdriver.

Pull the TFT monitor carefully away from the rear casing of the display to reveal the LCD cable. This cable runs from the back of the TFT screen and should be connected to a socket in a similar fashion to the inverter cable. If it is disconnected, lift up on the socket, slide the LCD cable back in, then press down on the LCD socket to lock it back down.
NOW FOR SOUND
if you can get a screen
Click start control panel administration tools computer management device manager scroll to sound video and game controllers you might see a yellow question / exclamation? ! mark or a red X Right click to reinstall drivers
If your computer came with a motherboard disk the drivers could be on it
or you might download slimdrivers.
Rather doing a driver hunt
http://download.cnet.com/slimdrivers-free/3000-18513_4-75279940.html
Windows XP/Vista/7/8
Note: it will find all of your outdated drivers
This is a free driver solutions
which will automatically search for and find the correct driver
You will have to update every driver individually once you update you might be asked whether you want to restart or make a system restore point.
Click no to both of these then continue updating each driver free then restart once all of the drivers have been updated.
It might take some time being free

Aug 09, 2013 | HP COMPAQ 7540 CRT Monitor

1 Answer

My tv comes on the picture disappears after a few seconds but the audio remains


This problems are the cause by those 1 or 2 long boards call the LCD inverter boards.These 1 or 2 long LCD inverter boards help the LCD screen panel to have a backlight to produced a picture.Tries websites like Shopjimmy.com,Ebay.com to buy those 1 or 2 long LCD inverter boards for the replacement.

Oct 29, 2010 | Televison & Video

2 Answers

My tv picture goes out after 1 min after I turn it on. what is the problem?


u have 2 options, chech ur power modoule for faulty filter capacitors & replace them & if power ok check ur inverter with another tft lamp to dignose b/w the inverter & the lamp

Jun 15, 2010 | Westinghouse LTV-32w4 32.02 in. LCD HDTV

2 Answers

Samsung SyncMaster 243T blacklight


indeed, probably the backlight...
Nothing to do about that but repair or replace, sorry...

Nov 13, 2008 | Samsung SyncMaster 243T (Black, Silver)...

2 Answers

Fujitsu-Siemens P15 TFT power/picture problem.


  1. No start-up. Clicking sound from speakers
  2. solution
  3. Replace C922 and C923 (both 1000uF/16V). Also replace C924 and C925 (both 470uF/16V). on powerboard
JK electronics
Den Helder

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Aug 11, 2008 | Fujitsu Siemens Premium Line P15-1 15" LCD...

2 Answers

Apple Powerbook G4 1.67 GHz LCD problem


Probably more like a Video cabling issue or a Screen assy getting bad connections.. Both have been seen here.

Good luck!

Jul 16, 2008 | Apple 15" PowerBook G4 Aluminum 1.67 GHz...

1 Answer

Screen


Is this an inverter issue with the display? Is it worth fixing.
Yes, and yes.
If it is still under warranty have Gateway fix it.
If not
Go on Ebay and you may find the part cheap.

Dec 23, 2007 | Gateway MX3215 Notebook

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