How did the smart TV connect to the set top box to become black and white

Smart TV connection set-top box turned black and white possible causes and solutions:

1. The image mode of the TV has been changed to "nostalgia mode".

Workaround: Change back to Standard Mode or Soft Mode.

2. The backlight plate of the TV screen is abnormal or broken.

Solution: Let a professional master disassemble the machine for inspection and maintenance.

3. The color TV turns black and white because there is a problem with the color system of the TV.

Solution: You can set the TV system to "Auto" or "PAL" in the menu bar of the TV, and if it is a digital set-top box cable TV, you can set the system to "Auto" or "PAL" in the menu bar of the digital set-top box.

4. The phenomenon of virtual soldering occurs in the TV circuit.

Solution: First of all, find out the position of the circuit virtual soldering, after finding the position of the virtual soldering of the TV, re-soldering the place of the virtual soldering, and connect it well to solve the problem of color TV turning black and white caused by the virtual soldering of the TV circuit board.

5. The color degree was adjusted to 0.

Solution: Increase the value of chromaticity.

If you are a Unicom user, after the TV is connected to the set-top box, the image becomes black and white, and you can troubleshoot according to the following reasons:

Reason 2] The output standard of the TV does not match the output standard of the set-top box, and the set-top box defaults to the PAL standard.

After the Hisense TV set-top box and the TV are connected,The reasons and solutions for the picture of the TV to become black and white are as follows:

1、The standard of the TV and the standard of the set-top box do not match, resulting in the color turning black and white,You can use the TV remote control to operate,Enter the menu,Find the setting option of the color system,Press the confirm button to enter,Then set the standard of the TV to [Automatic] to solve the problem。

2. Secondly, you can check whether there is a problem with the current program source, such as the current program is a black and white picture, which can be solved by switching the program channel.

3. In addition, the hardware failure of the TV or set-top box will also cause the color picture to become black and white, such as the failure of the color decoding circuit inside the TV, and the color signal cannot be interpreted, so it can only display the black and white picture, in this case, it is recommended to contact the corresponding after-sales service for comprehensive testing and warranty to solve.

Summary. Hello, here are the reasons and methods, please refer to:

1. The user mistakenly presses the button of the remote control or the TV, which changes the standard of the TV (such as switching to the NTSC standard or other standards), causing the color to become black and white; Generally, you can use the remote control to operate, press the menu key to enter the system settings, find the color system, and select the PAL system or set it to automatic after entering to solve the problem and return to normal;

2. Check whether there is a problem with the signal source input of the TV, such as whether the connection line between the TV and the set-top box is loose, and the black and white picture appears due to poor contact, and reconnect it correctly and fix it to solve the problem;

3. Check whether there is a problem with the current program source, such as the current program is a black and white picture, which can be solved by switching the program channel;

4. The hardware failure of the TV or set-top box causes the color to turn black and white, such as the failure of the color decoding circuit inside the TV, and the color signal cannot be interpreted, so it can only display the black and white picture, in this case, it is recommended to contact the corresponding after-sales service for comprehensive testing and warranty to solve.

How to turn the TV color back to black and white.

Hello, the following are the reasons and methods, please refer to: 1. The user mistakenly presses the button of the remote control or TV, which changes the standard of the TV (such as switching to NTSC or other standards), resulting in the color becoming black and white; Generally, you can use the remote control to operate, press the menu key to enter the system settings, find the color system, and select the PAL system or set it to automatic after entering to solve the problem and return to normal; 2. Check whether there is a problem with the signal source input of the TV, such as whether the connection line between the TV and the set-top box is loose, and the black and white picture appears due to poor contact, and reconnect it correctly and fix it to solve the problem; 3. Check whether there is a problem with the current program source, such as the current program is a black and white picture, which can be solved by switching the program channel; 4. The hardware failure of the TV or set-top box causes the color to turn black and white, such as the failure of the color decoding circuit inside the TV, and the color signal cannot be interpreted, so it can only display the black and white picture, in this case, it is recommended to contact the corresponding after-sales service for comprehensive testing and warranty to solve.

The color of the data cable and the socket are different, how to plug it in?

The data cable is the best to get, if your data cable is red, then your corresponding socket must also be red.

See if your cable color is the same as the socket color.

General reasons and ways to deal with a TV set that suddenly turns black and white:

1、Check whether there is a problem with the image chromaticity setting of the TV,For example, whether the image chromaticity of the TV is set to 0,Generally, resetting or restoring the default settings can solve the problem。

2. Hardware failures of TVs: including whether the crystal oscillator of the TV is faulty, whether the capacitors of the TV motherboard are leaking, faults, and whether the picture tube is faulty, which may lead to the problem, so these parts can be detected one by one, and the problem can be solved by replacing new components.

3. For problems caused by general hardware failures, it is recommended to contact the after-sales service of the TV or find a professional maintenance personnel for testing and maintenance.

Causes and workarounds:

1. The user mistakenly presses the button of the remote control or the TV, which changes the standard of the TV (such as switching to the NTSC standard or other standards), causing the color to become black and white; Generally, you can use the remote control to operate, press the menu button to enter the system settings, find the color system, and select [PAL system] or set it to [Auto] after entering to solve the problem and return to normal.

2. Check whether there is a problem with the signal source input of the TV, such as whether the connection line between the TV and the set-top box is loose, and the black and white picture appears due to poor contact, and reconnect it correctly and fix it to solve the problem;

3. Check whether there is a problem with the current program source, such as the current program is a black and white picture, which can be solved by switching the program channel;

4. The hardware failure of the TV or set-top box causes the color to turn black and white, such as the failure of the color decoding circuit inside the TV, and the color signal cannot be interpreted, so it can only display the black and white picture, in this case, it is recommended to contact the corresponding after-sales service for comprehensive testing and warranty to solve.