LCD TVs can have power and circuit problems.
Emerson LCD televisions are an inexpensive LCD option for people who want to put a flat-panel television in their homes. Like other TVs, they can develop problems. If you have an Emerson LCD TV that is having a problem, a little troubleshooting will either help you fix the problem yourself or determine that you need to call in some technical help. Does this Spark an idea?
Blank or Malfunctioning Screen
If your screen blanks out, shows only one image, or has other operating problems, then you probably have a problem with your capacitor. Capacitors are small devices that can easily store an electric charge and use it in circuits to power small activities. TVs often use an array of capacitors for many of their smaller functions. Unfortunately, like many electrical devices, capacitors can burn out over time (as can fuses). This creates serious problems that usually end up ruining the TV. This requires professionals to inspect and try to fix the problem--capacitors are too complicated for you to fix on your own.
Blue or Black Screen
If you have blue screen or a black screen that fails to respond, you probably have setup issues. Essentially, this means the TV has not been programmed correctly, but the particulars can vary greatly. The TV may be on the wrong channel to work properly with the cable or video receiver. Sometimes the image settings are skewed so that the image is there, but distorted or blackened, and all you need to do adjust the settings. This is an easy problem to fix and you should be able to handle it on your own with a little time with the instruction manual. Look for the settings and connection pages.
Image, Sound, or Power Absence
If you cannot make an image appear at all, or have an image but no sound, you probably have a connection problem. Sometimes this can lead to the complete absence of power. This occurs when the cables of the TV come loose or are improperly connected. Typically, this results in a large-scale failure. The TV might not turn on at all. You may be able to get power, but nothing you can do makes an image appear on the TV. Fortunately, you should be able to solve this problem yourself. Check all cables to make sure they are connected properly, then examine your manual to make sure you have connected the cables in your theater system correctly. If you cannot figure it out, call a friend or professional who can take a fresh look at the problem.
Dead Screen or Dead Sound
If you are confident nothing is wrong with your connections, then this problem is probably connected with your microcomputer. The microcomputer is the small device that sits in the back of the TV and manages the minute details of the sound and current that moves through the LCD layers. The microcomputer may also govern other functions and may even have a limited amount of memory. These computers can burn out, which will lead to a dead screen and other problems with your TV. Unfortunately, the microcomputer can be difficult to locate, and professionals need to do the replacement.
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