Shulou(Shulou.com)05/31 Report--

Audio commentary

Hello, everyone. The meeting will answer your questions. How to adjust the digital TV screen is not bright, what is the reason why the TV screen is not bright, many people do not know, now let's take a look at it!

Answer:

1. There is a virtual welding fault in the internal screen driver circuit of the TV.

2. There is something wrong with the power supply itself, so that the power supply cannot be started.

3. The circuit that controls the switch of the high voltage board on the billboard in the TV set is burnt out.

4. the backlight of the TV set is broken or other special circumstances

5. It may be caused by the abnormal power supply circuit. When the display panel is pressed, the button does not respond and the indicator does not light.

6. TV hardware failure:

The TV has a black screen and sound. First of all, check the insertion on the back of the TV, whether each kind of wire is plugged in a specific position, to make sure that the socket of each plug is in good contact and not loose. If it is caused by loose wire, please repair it. Secondly, hardware problems will also cause TV black screen, including display circuit failure, display screen failure, cable failure and so on. After some problems with the socket are eliminated, you can contact the relevant after-sales maintenance personnel. The TV suddenly went black and couldn't start. In this case, if the power LED is not lit, the TV is suddenly powered off and goes black due to a power connection problem. At this time, you can look at the electricity consumption at home, whether the power plug is loose, and whether the power cord is faulty.

8. Software failure:

9. There are many reasons for the blockage of smart TV, such as poor system optimization of TV manufacturers, small memory caused by TV resident in the background, and excessive garbage after long-term use. After finding the TV card, users can download the Beidang Market as an assistant to clean up the TV memory. Usually, after installing the software, they can check to see if there is an APK installation package in the TV system. This is because some software will leave the installation package in the system after automatic upgrade and need to be cleaned in time. Unable to install the software application. At present, many TV manufacturers prohibit installing software applications through USB connections, and some manufacturers default that TV software cannot be installed by other means. However, you only need to turn on this option to install software applications through USB. First of all, you need to enter the setting options in the system, find the corresponding project, and turn on this switch. In addition, if you find that you cannot install a third-party application, you can find the installation option for the third-party application in the settings and turn on this option.

This is the end of this article. I hope it will be helpful to all of you.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.