Sửa Chữa tivi LG hỏng màn hình, Tivi led lg có tiếng không hình,Repairs LG TVs corrupted the screen

Hello everyone. Today I will show you how to check for LG TV products This is a 4.2-inch TV I just received the product from the customer The customer said there was a sound but no image Today I will open it and check There is a video for you to watch I will show you how to distinguish the parts and components Now I will turn on the power There is a red light The customer said there was a sound but no image Now I will turn on the power Let's see how it works Thank you for watching Thank you for watching my videos Please subscribe to my channel Thank you for your support This is the back of the TV This is LG NG42NB561T Now I will turn on the TV LG NG42NB561T This TV was produced in 2014 This TV was produced in 2018 LG NG42NB561T This is the inside of the TV LG NG42NB561T Now I will turn on the TV LG NG42NB561T Good Now I will install the network part LG NG42NB561T The black color of the screen is a sign that the TV is not working Because the sound quality of the screen is not related to the sound quality of the TV The sound quality of the TV is not related to the sound quality of the TV Now, let's take a look at the screen This is the screen of the TV The screen of the TV is not working because the center of gravity creates the image from the sand Then it creates two lines of signals The two lines of signals are connected to each other Can you see clearly? Yes Can you see clearly? Now I will plug in the power The screen has been charged Let's measure the power of 12v This TV is losing 12v I found out that the IC is not working I will try to change it to another one I found out that the IC is not working This is the IC S-VHS 508A This is the image control I will try to change it to another IC because the IC is not working This is the image control The two holes are the same I will put the holes separately I have a live duck like this I will measure the holes and see where it is The other duck is in this part The IC is floating You can replace the IC The reason why this IC is dead I will try to replace it I will try it quickly If it is not hot, you can leave it like that If the IC is hot, you have to remove the power Otherwise, the IC will die I will try to replace it When you replace it, you can press the power button You can measure quickly Look at the clock to see if the power supply is 12V You can turn on the IC to see if it is hot There is a 12V power supply The IC is very cool Now it is ok I will turn on the TV to see if there is a picture There is an LG logo Can you see it clearly? There is an LG logo It means this IC is dead This is a NB model It is a broken TV I saw that the power supply is 12V I will turn on the TV to see if there is a picture I saw that the power supply is 12V I will turn on the TV to see if there is a picture The Power Supply is very cool I want to repair the VM I will cover it with a media I will turn on the TV to see if there is a picture I will cover it with a media I will try to run the phone I will check the connection I will insert the battery I will check the connection The TV is ready This is VTC7 knees very beautiful Many models have water in the bottom of the screen So the screen is cracked The screen is cracked, so it looks like the T-Con is broken But this model is very lucky The screen is not broken, but the T-Con is broken Very lucky Now I can close the screen I will fix the other screen later Today I will introduce to you The T-Con screen is broken Measure the power supply The power supply is 12V for the T-Con screen The screen is broken The screen is broken, the TV is noisy The screen is broken Now I will close the TV Check the problem The problem is solved In this video, I will show you how to fix the TV 42NB561T Energy No sound This is the T-Con screen For technical support, please subscribe to the channel If you have any comments, please leave a comment In the video you are watching In the evening, after a busy day at work I will have time to answer your questions Don't forget to share the channel To support me This is a great motivation for me I will make more videos I hope it will be useful for you For those who are just getting started with sports TV I hope you enjoy watching the video If you have any questions, please leave a comment I will try to answer as many questions as possible If you have any questions, please leave a comment Subscribe to the channel I will try to update you on the latest videos That's it for this video. See you in the next video.