Everyone may have the problem of distinguishing LCD TV screen blur faults during the TV process. Today I will help you from the following aspects: What is the fault of Hisense LCD TV image blur, LCD TV screen blur, LCD TV What's going on with the blurry screen? What's the reason for the horizontal streaks on the LCD TV screen? Let's take a look at the troubleshooting of LCD TV blurry screens.
What is the problem with the blurry image on Hisense LCD TV?
According to your description, the fault location cannot be determined and needs to be measured before confirmation.
General causes and solutions for Hisense LCD TV images:
1. If the TV is normal when it is turned on, it will become blurred after a few minutes, and the screen brightness will become brighter after the blurring occurs; generally The GAMMA correction voltage on the logic board can be measured. A common AS15-G fault is the AS15-G fault. You can touch the AS15-G to see if it is hot. If it is hot, it is judged to be an AS15-G fault. Mainly measure whether each GAMMA voltage is abnormal to determine the specific Which GAMMA voltage is wrong, replace it with a new AS15-G and it will return to normal;
2. If the color display of the screen is caused by confusion, it can generally be judged to be a problem with the LCD screen itself; because the LCD screen The displayed image must have a backlight and a circuit that can change the arrangement direction of the liquid crystal. This circuit controls the three color pixels of the liquid crystal RGB. Once a fault occurs, it will cause color loss or blurred screen;
3 Generally, TV screen distortion is related to the hardware failure of the TV, including screen failure, screen cable failure, circuit and capacitor failure on the motherboard, and other internal component failures that may cause the screen distortion. Ordinary users are advised to contact the TV service provider. After-sales service provides comprehensive testing and warranty on TVs.
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Hisense owns Hisense Electric (600060) and Hisense Kelon (00921), two companies listed in Shanghai, Shenzhen and Hong Kong respectively, and holds Hisense , Kelon and Ronshen are three famous Chinese trademarks. Hisense currently has 13 production bases and 12 R&D centers around the world, introducing high-end talents from around the world and promoting domestic design and R&D personnel to "go global." Overseas branches cover global markets such as the Americas, Europe, Africa, the Middle East, Australia and Southeast Asia, and its products are exported to more than 130 countries and regions.
After becoming the top sponsor of the European Cup in 2016, Hisense announced on April 6, 2017, that it would become the official sponsor of the 2018 World Cup in Russia.
What is the problem of blurred images on Hisense LCD TVs?
General causes and solutions for blurred images on Hisense LCD TVs: 1. If the TV is normal, it will become blurry after a few minutes. After the screen brightness becomes brighter; generally, the voltage can be corrected by measuring the GAMMA on the logic board. A common AS15-G fault is the AS15-G fault. You can touch the AS15-G to see if it is hot; if it is hot, it is judged to be an AS15-G fault; mainly measure each GAMMA Check whether the voltage is abnormal to determine which GAMMA voltage is wrong. Replace it with a new AS15-G and it will return to normal. 2. If the color display of the screen is caused by confusion, it can generally be judged to be a problem with the LCD screen itself; because the LCD screen displays The image must have a backlight and a circuit that can change the arrangement direction of the liquid crystal. This circuit controls the pixel dots of the three colors of liquid crystal RGB respectively. Once a fault occurs, it will cause color loss or screen blur; 3. Generally, TV screen screen blur is related to TV hardware faults, including screen faults, screen cable faults, circuit and capacitor faults on the motherboard, and other internal component faults may cause blurred screens. Ordinary users are advised to contact the TV’s after-sales service for a comprehensive repair of the TV. Inspection and warranty.
What is the fault of Hisense LCD TV’s image blur?
Most of them are hardware problems, which need to be repaired. The first step is signal source transmission; solution: move the machine to a location where the signal is relatively better. Try it in a good place. If the TV picture is still not good, then the TV is faulty. If the picture becomes clearer, then there is a problem with the cable TV signal. Second, the logic board is faulty; it is a hardware fault and needs to be sent for repair. Third, the connection cable is in poor contact (mainly the connection cable from the logic board to the display); Solution: It may be caused by moisture, causing the screen cable to leak. Disassemble the machine to check whether the screen circuit is smooth, and use the screen cable to connect the logic board. Touch the chip on the logic board with your hand and see if the image changes. Fourth, the screen parameters are wrong; the TV software version is too low, and the screen parameter data is easy to change. Use USB to upgrade the machine. Please consult customer service for details. Fifth, the display screen is damaged. It is a hardware failure and needs to be sent for repair.
What is the problem with blurry images on Hisense LCD TVs?
Hisense TV effects are quite good. Because many of them have hard screens.
LCD TV has a distorted screen
According to the fault you described, it is generally not a problem. If the signal is not good, it will cause temporary inactivity, and sometimes there will be abnormal sound, just like a VCD movie. Sometimes, bad discs can cause similar phenomena, such as blurred images, sometimes abnormal clicking sounds, poor signal, sometimes a problem with a certain TV channel signal service station, and weather and climate can also cause Causes poor signal, so it is normal for this phenomenon to appear blurred and abnormal or out of sync with the sound on a certain day. It is usually a problem with the weather and climate or the signal service station. In addition, there is also a problem when watching TV. Be sure to plug in the signal cable!
LCD TV has a distorted screen
First check the input signal. You can test the input signal on another TV. If there is no problem with the signal, go to after-sales service
LCD TV has a distorted screen.
possibility. 1. Signal problem. All set-top boxes have signals. If there is a problem with the digital signal, mosaic will appear on the screen. Card. 2. TV problems. If there is a problem with the TV, the failure will become more and more frequent as time goes by. The way to tell the difference is to use this set-top box on another TV to see if the phenomenon you mentioned will occur.
LCD TV has a distorted screen
This is relatively easy to judge. Move the TV to a signal location and try it. If it is not good, it is a problem with the TV. If it is good, it is a problem with the TV. Problems with cable signals
LCD TV screen distortion
1. Maybe it’s an instant card machine! 2. It may be that the screen cable inside the TV is not in good contact! 3The digital version of the TV set is broken!
What is the reason for the horizontal stripes on the LCD TV screen?
1. Is the voltage output from the power board correct? 2. Check whether the signal output of the signal and screen control logic board is normal. 3. Check again whether the display backlight component is normal and whether the LCD screen is normal. 4. If you are unable to judge by yourself, it is recommended to contact the official after-sales service center, and engineers will help check and deal with it.
What’s wrong with the LCD TV screen?
It may be that the screen wire is loose. You disassemble the back case and find a thick one wrapped in black cloth with many thin wires (usually There are blue, white, red, black) lines. Unplug and plug again!
What’s wrong with the LCD TV screen?
The signal line is not in good contact
The set-top box crashes or malfunctions
The LCD TV motherboard is faulty