Despite the disdain for television, which appeared during the propagation of the Internet, the impact of this phenomenon on a person's daily life is still great. TVs are still in every house, sometimes a few pieces, even though the, that they were rarely used for its intended purpose.
But no matter how to use this device: as a home theater for watching DVD or TV shows from your computer, for TV or video games - any malfunction will be for the owners very nuisance. Especially when it comes to sound problems. After all, nothing is so annoying, as the presence of the image and its absence soundtrack.
If the user is faced with such a nuisance, then do not despair. First of all, should properly check the availability of breakage as such, and followed it correctly diagnose, to proceed to further repair.
Types of sound troubleshooting
The user can experience with these types of faults:
- Poor quality sound. This problem is reflected in the presence of extraneous sounds when operating a video or listening to music. Also may be missing upper or lower frequency, occur reverb (muffled echo) or a small volume. Often there is a hiss and interference.
- Loss of sound. This problem is reflected in the fact, that audio playback choppy or even disappear after a while the device works. Such problems are annoying the owners of the TV most.
- complete silence. image has, but there is no sound.
Each of these problems can be linked to a specific cause, major of which are described below.
types of breakdowns
The most common types of damage are as follows:
- defective audio. If the device refuses to play a sound when displaying video from your computer or DVD player, it is worth paying attention to the problem Audio. determine, exactly where it is broken, It can be quite simple, Unplug the TV from a paired device and turning it on television. If the sound is, then perhaps the problem is the audio input "tulip", 3.5 mm or inlet connector HDMI. If not, you should look for the cause in the dynamics.
- Faulty sound chip. For the processing and delivery of audio to the speakers in your TV has a dedicated audio card. Sometimes it can fail due to various reasons.
- Not connected speaker. However quality was not a modern assembly of liquid crystal devices, they still can not get rid of marriage. This is reflected in the fact, that over time, the speaker can move contacts, or come to a fault on the junction, if they are not soldered, and are connected via a special connector.
- defective speaker. This also happens. Most often, factory defects, either due to rupture of its membrane from a very loud sound, or because the chip burnout dynamics.
- cable break. If the device does not display a sound in a computer connection mode, speakers or DVD player, but it works in the broadcast mode,, or else, if the sound is intermittent or very poor quality, it is worth paying attention to the condition of the cable connecting device. maybe, or transferring it departs from the compounds.
That you can fix yourself
If the user does not have sufficient knowledge of electronics and instrumentation, then it is not recommended to take any action on the self-dismantling and fixing devices. But even low qualification does not interfere eliminate trivial fault, incurred for such reasons:
- Problem audio output to a connected device. Quite possible, the TV is completely intact, but out of order computer soundcard or audio on DVD. They could also break the connected speakers. You just need to replace them.
- Replacing leaky cable. If the sound does not work on the columns, or when transferring images from the connected device, it is possible to investigate the cable for damage and replace it.
When is it best to contact the experts
When it becomes clear, that the problem can not be solved by ordinary methods, it is necessary to seek a solution when. Qualified electronics specialists will be able to identify damage to the TV and to determine the fault in just half an hour of disassembly and inspection devices.
To carry out these operations and making repairs, service centers employees have the necessary experience, equipment and accessories.
It should be noted, that "self" and independent disassembling apparatus may entail irreparable damage or, least, exacerbate the problem. That's why these things and not rely on skilled.