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Anonymous users2024-02-07Remote control problem: If the TV remote control fails or the power is insufficient, use the remote control to turn on first, if it doesn't work, try to press the channel button of the TV to verify whether the remote control is a problem. It is recommended to replace the remote control battery.
If it still can't be turned on, it means that it is caused by the hardware failure of the TV, including the abnormal power supply caused by the failure of the power supply system of the TV, or the short-circuit fault of a device in the main circuit on the motherboard, the power protection action, resulting in the inability to turn on, and the high-voltage package failure of the TV causes the screen to be unable to display and cannot be turned on. If it is caused by the failure of the TV hardware, it is not recommended that the user repair it by himself, but should contact the TV after-sales maintenance personnel to check.
Common faults of TV:
Common faults and solutions of TV sets 1:
Failure and cause: The TV has no power, mainly due to the internal power supply and external power supply of the TV. Generally, the failure rate of the external power supply will be higher.
Solution: The fault caused by the power supply part can usually be solved after replacing the parts; If the driver board is faulty, it is necessary to check whether the power supply is normal, the driver board fault causes the two groups of power supplies to have no output voltage, if there is a voltage problem, it must be the driver board fault.
Common faults and solutions of TV sets 2:
Fault and cause: The display screen is black, there is no backlight, and the power light is always green.
Processing scheme: The display screen has a display image, which mostly belongs to the fault of the power supply circuit of the high-voltage board, focusing on checking whether the 12V power supply and switching voltage are normal.
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Anonymous users2024-02-06Hello,After the power is turned on, the red light is on to indicate that the machine has been energized,There are several reasons and solutions for not being able to turn on the machine regardless of the operation of the remote control power button or the power button on the machine:1、The TV on the key and the remote control key are invalid,You can't start the operation,This probability is very small,Generally, they will not all fail at the same time。 You can try both of these methods to open the hair.
2. The power supply load in the machine is faulty, resulting in power protection and refusal to turn on. Try to make repairs. 3. Check the power supply part to see if the power output is normal.
4. If the voltage is normal, check the switch control foot to see if it is a short circuit or a breakdown. 5. If other parts are damaged, you can call professionals to check and repair them.
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Anonymous users2024-02-05The TV won't turn on, only the red light is on, and the solution is as follows:
1、First of all, turn on the light to indicate that your TV is powered on normally,You try to use the TV's remote control to press the TV on"Onkey",Not the remote control of the set-top box,See if it can be turned on; Or try pressing the switch button on the TV.
3、When you use the TV,After pressing the power onset,I found that the TV did not respond,And the red light was displayed,It is likely that the TV has crashed,You can try to turn off the power or unplug it,Then restart it to try,Whether it can be turned on normally。
4. If the display light is on but the situation is very unstable and has been flashing, then it is generally because the voltage is unstable, or there is a problem with the capacitor, and the voltage is unstable, it needs to be repaired and adjusted, and the capacitor needs to be replaced with a new capacitor if there is a problem.
Capacitor replacement can go to the relevant information or ask the maintenance personnel,Disassemble the back cover of the TV to replace it,If you don't know how to operate, you still hand it over to professionals,Avoid damage。
5、There is also a problem with the image display,Check whether the signal cable of the TV interface is wrong,Whether the correct interface is connected,Check whether the outside of the cable is damaged,If it is accidentally damaged,Replace it in time and then restart it。
If the TV still can't be turned on, you can only find a professional maintenance personnel to check the fault of the TV, but it is also very helpful to know some basic electrical maintenance knowledge.
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Anonymous users2024-02-041. Check whether you have pressed the "Power" button of the remote control or TV to turn off the screen display. If the TV screen does not display due to this situation, you can press the "Power" button again to turn the screen on.
2. If it is not a power supply problem, check whether there is a problem with the signal source input of the TV. That is, check whether the connection between the TV and the cable TV signal, digital TV signal, *** machine and other equipment is normal. After the normal connection, switch the TV to the corresponding source mode to return to normal.
3. If the problem is not solved after eliminating the power supply and connection problems, it is judged to be a hardware fault of the TV. At this time, it is necessary to contact the after-sales service of the TV to conduct a comprehensive inspection and warranty of the TV.
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Anonymous users2024-02-03Hello: The standby indicator light of the TV is on, if the remote control can not be turned on twice, first check whether the standby control circuit components are normal, as well as the standby control triode and other electricity.
Whether the road element is also normal.
If the above is checked normally and cannot be turned on, then focus on checking the oscillating circuit components.
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Anonymous users2024-02-02Answer: When you use the TV,After pressing the power onset,I found that the TV did not respond,And the red light is displayed,It is likely that the TV has crashed,You can try to turn off the power or unplug it,Then restart it to try,Whether it can be turned on normally。 If the display light is on but the situation is very unstable and has been flashing, then it is generally because the voltage is unstable, or the capacitor has a problem, the voltage is unstable, it needs to be repaired and adjusted, and the capacitor needs to be replaced with a new capacitor, and the replacement of the capacitor can be used to inquire about the relevant information or ask the maintenance personnel.
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