If you pay attention, behind your TV there are a lot of color ports in different sizes, which usually you don’t know how to use them. Every day, as the TV industry becomes more advanced, new ports and types of TV cables are made for different applications.

– USB port

The USB port is one of the most commonly used ports on the TV. Most of the time, this port is used to update and fix TV software defects, that’s why the word Service is written next to this port.

New TVs and smart TVs that are currently available in the market allow you to connect a hard disk or flash drive containing audio and video files to the TV through the USB port and watch it.

You can also use it as a charger and easily charge various devices such as mobile phones, tablets, game consoles, etc., of course, keep in mind that all TVs have enough power to charge any device through this. They do not have a port.

– TOSLINK port or optical audio cable or Optical Audio

-Optical Audio / Digital Audio

TOSLINK port is better known as optical audio cable or Optical Audio and transmits information through red light. With this cable, you can easily have a flawless sound without loss of quality. There are 3 possible ways to transmit digital audio.

via HDMI cable
via coaxial cable
via optical cable
The TOSLINK input cable is used together with the HDMI input so that you have a very clear digital sound in addition to the HD image quality. Because as you know, HDMI cable transmits sound and image together, but coaxial cable and optical cable both transmit digital sound. The digital audio output of the TV can also send digital audio to the central receiver of your home theater to be distributed among the available speakers.

If you are only looking to play sound through your home theater system and your devices support Optical Audio, don’t hesitate to use it. In some laptops, you can use a mini-TOSLINK cable instead of a normal audio cable to transfer sound to your home theater or TV digitally.

-VGA and DVI port

If you want to connect your computer and system to the TV, you must connect your cable to the DVI or VGA port. You should know that this port is also known as PC in some TVs, because in most cases it is used to connect a computer or laptop to the TV. This port is also used to connect VGA or DVI video sources to the TV.

If you are interested in computer games, you want to watch the movies and series on the computer on a bigger screen, or your TV does not have a USB port, this port will help you to transfer your audio and video files to the TV screen without any problems. look.

Next to this cable, there is also a 3.5 mm stereo jack, which is able to transmit sound to the TV through the 3.5 mm stereo port in addition to the image.

Composite port

Have you seen the three white, yellow and red ports on the back of new TVs or even old TVs? These ports are used to receive stereo audio signal and standard SD image signal. This process is done by composite cable, just connect cables of the same color to each port. This port has many features and any device can be connected to the TV using this input.

Video cameras, due to the many ports they have, usually use a composite output port and have a video adapter. This adapter is a relatively simple cable, one side of which looks like a 3.5mm headphone jack and connects to the camera. The other end of the cable has two yellow and black RCA outputs to connect to the TV.

Component port
Component port uses RCA cables like composite. But they have differences that we will discuss below:

Here you have two audio inputs and three video inputs. If you use a Nintendo Wii console for fun and games, you probably complain about the standard or SD image quality and you have no way to improve the image. So what do you think about improving the quality of your game console without any special and important upgrades?

Instead of connecting your Nintendo Wii console to the composite port, you can use the cable and the component port to connect it, and with this simple work, you will have a remarkable and amazing improvement in the image quality and color of your games. This little hack also works well with older devices, such as the PlayStation 2.

– Video output port or Video Out

The video out port (and audio out if it’s on your TV) is usually a composite port and is used to send TV content to other devices for recording and storage or transmission. The most important use of this port is that you can easily send everything you see on the TV screen to recording tools.

Also, if you have a video or capture card on your computer, you can easily record TV shows. Or you can watch your favorite TV show in your bedroom or kitchen without buying a new TV and just by sending TV images to your old computer monitor. Or, as we discussed earlier about the composite input, after setting up your homemade security camera, you can transfer the images to a recording device with this port.

Sometimes the cables are not connected to the TV ports, most likely they are the main reason for the failure of the ports, for which you need to use expert and professional people for repair. TV repair requires a professional repairman. If you don’t have any expertise, don’t touch the ports.