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Causes and solutions of flashing indicator light of skyworth TV 55E70GR high voltage board
The indicator light of Skyworth TV 55E70GR high-voltage board keeps flashing for the following reasons:

1, this phenomenon is that the power supply is in a protective state, and it should be that the power supply has failed.

2. The power supply voltage stabilizing circuit on the driving board is faulty.

3.MCU is out of order. 4. There is something wrong with the internal circuit of the TV, and the backlight drive of the logic board fails.

Suggested treatment:

1, which usually means that the clerk is in a protected state. Actually, it's very simple to fix. Just find a professional and replace the brand-new power cord. He can help you solve this problem quickly and replace the power cord with a more suitable model.

2. Install a voltage regulator for the TV at home, so that the TV has a more stable voltage and can be used better. When the pressure is too small or too large, the voltage regulator will give an alarm, so that you can make yourself react quickly and turn off the TV in time.

If there is something wrong with the internal wiring of TV, you should find a professional to repair it. Now there are many intelligent electrical wiring, control panels and welding points. If you want to know what the problem is, you need professionals to do it. After testing with professional instruments, you can quickly replace it, so that you can solve the internal wiring problem of the TV and find it in time even if the solder joint is loose.