注: 建议上传图片大小640px*440px

TV maintenance knowledge

1. Don't turn off the TV frequently. It may be for convenience or to save power. Some people have the habit of frequently turning off the TV. When the switch is pressed, the TV will turn off and the screen will be black. However, such behavior will cause great damage to the life of the TV-the prehea
June 16, 2021
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What is the reason for the black screen of the TV

1. Backlight problemThe power of the TV is turned on normally, and the indicator light is flickering, but the TV has a black screen, then the backlight of the TV will not light up, that is, the high-voltage board is malfunctioning. The reason is simple, that is, the fuse is burned or the switch chip
May 29, 2021
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Possible reasons for frequent disconnection of smart TVs

When using a smart TV, everyone seems to be able to encounter the failure of the smart TV to connect to the network. When checking the broadband, the connection is still normal, so what is the reason for the frequent disconnection of the TV or the box wireless network? Today, the editor will analyze
May 29, 2021
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What is the difference between PAL and NTSC?

NTSC system NTSC system is also called grace system. It belongs to the simultaneous system. It was first developed by the United States in December 1953 and was named after the National Television System Committee (National Television System Committee). The chrominance signal modulation feature of
June 12, 2021
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