Usually an LCD TV screen has a good life expectancy up to 10 years. Moreover, the value of the monitor/screen increases with the resolution, size and clarity of the panel installed in the screen. So, if there is any sort of malfunction or damage done to the screen, the cost of its repairs comes with a price too! Fortunately, half your cost of paying the service men would be saved because with some lucid steps explained on how to repair a broken LCD screen given below, all you have to think of spending your money on, is, to buy a replacement screen and do the rest of the job all by yourself.
Signs of a Broken LCD TV Screen
Well, under this subject the most common problem why an LCD TV screen fails is the dimming of the back-light after a significant use. However, there are other obvious signs like, the system starts off but the screen is blank. May be there’s an issue with the panel whose job is to display a picture. Also, the problem of blank screen appearing can be due to the panel not receiving good amount of data or power from the source. The full form of LCD is liquid crystal display which is made of two glass layers wherein, the outer layer is constructed to protect the inner layer. So if there is an ugly crack on the outside layer of the screen, fixing the same is an easy job. No specific glass is required nor any special tools are needed. All that is required is for you to look down ‘coz now it’s time to read the procedure for replacement..
How to Fix a Broken LCD TV Screen
For now all you need is a small screwdriver and of course a replacement LCD TV screen to replace it to your old unit.
Step #1: In this first step of repairing the broken screen, it’s important to turn off the TV, unplug the power supply and place it face down on a working table carefully.
Step #2: Using the screwdriver unscrew all the fasteners from the television and also detach the back panel from the unit. This will give you a clear look at the motherboard situated at the center of the TV behind the screen.
Step #3: Also what else you would see is an inverter board mounted at the side end of the motherboard. Remove all the inverter screws and expose the whole unit. There will be a bunch of cables connected to various ports. They transmit electrical power to the LCD screen.
Step #4: Your first job to do is, check for all the connections of the inverter board to see whether they are properly secured or not. If they aren’t, unplug the cables and try plugging them back into the ports. Power the screen and see if its working, if not, then go ahead.
Step #5: Remove all the fasteners, plugs and connections from the ports in the board and pull out the whole board from the TV set and keep it aside.
Step #6: Now replace the old for a new board. Fit the new replacement board in the television, and hopefully you have marked the positions of the cable connections. Join the cables together and attach all the screws back in place. Lastly, replace the back cover of the inverter and also the rear panel of the television carefully.