LCD Circuit Board Repair
Just like a human body consists of organs, LCD TVs contain various circuit boards that breathe life into them. Whenever an LCD TV is not operating correctly, it is highly likely that your LCD circuit board needs to be replaced or repaired. So, rather than tossing your LCD TV set into bin, you can simply perform an LCD circuit board repair or even better, just replace the circuit board altogether and bring your dead LCD TV back to life.
If you are interested in performing this miracle, then read on because here in this article, we have provided you with some of the most basic types of circuit boards and how to test them.
LCD Circuit Board Basics
Your LCD TV is a collection of various circuit boards. Before you tear apart you LCD TV’s casing, we mean, unscrew it to find the malfunctioning circuit board, it is imperative that you know about the circuit boards that an LCD TV consists of.
Power Board
This circuit board is the heart of your LCD TV that pumps electricity to other circuit boards in your TV set. It consists of various integrated circuits, transformers and large capacitors. If your LCD TV is not turning on, then it’s an indication that its power board had died and needs to be replaced.
Inverter Board
This is a long thin circuit board and is used to supply power to the LCD backlight, such as the CRT tube. If the brightness of your LCD TV has decreased, then it is highly likely that something has gone wrong with the inverter board of your LCD TV and it might be the part that needs to be replaced or repaired.
Timing Control Board (T–CON Board)
The T-CON board is only found in LCD and LED TVs. Their main function is to decode the digital information that is received from the processor and use it to form an image on the screen. If you are facing the problem of a blurred or a distorted image, then most probably, it is the T-CON board of your LCD TV that needs your attention.
Testing a Circuit Board
For testing a circuit board, you have to open up the casing of your LCD TV so that you can see the circuit boards that your LCD TV is made up of. The next step is to get hold of a multi-meter screen display to correctly diagnose which circuit board is not performing and needs replacement.
DIY or Hire a Professional
After you have pinpointed the malfunctioning circuit board, you have to ensure that you buy a new circuit board of the same model; otherwise it is not going to work in your LCD TV. Next comes the installation stage. It is important to mention here that some circuit boards will be easy to install and can be replaced just by using a screw driver, while others require soldering to be replaced.
It will not always be easy for an individual to repair the circuit board of an LCD TV on their own so, it is always a good idea to contact a professional LCD circuit board repairer. A professional circuit board repairer will be able to correctly pin point the malfunctioning circuit board and repair or replace it. Visit our website or contact us for more details.