kiểm tra sửa chữa tivi sam sung bị hỏng đèn hình

hello everyone today I will show you how to check samsung tv this tv when I turn on the screen you see at the corner signal light there is a light there is a red light I will turn on the tv the red light blink you just hear the sound turn on the tv this one is out of sight and there is a dim light there is a light a little dim here you look the light is dim but no image no samsung logo and no image now i will open and i will check see where the pink part is in which area you check with me and here is the image behind the tv when i turn on the tv first i will introduce to you i am fixing black screen samsung tv model UA32H4100AR with this clip i want i will help you check the details samsung tv so you can apply all with black screen the black screen is quite similar with this model when i open there are 2 parts you parts you need to check to find out the cause there are parts first is the power supply tv power supply supply all power supply this is the power supply and the power supply on the opposite side this power supplies are here You can see a very clear information for네 during data transfer For example, if the voltage is 13v 1.3v, 1.5v, 1.7v, 1.9v And there are power lines Here you look The power line is connected to the remote control When all signals come in here When there is a source, we receive a signal from the remote control To send to the processing center Send out signal lines And the signal line to the speaker I just pulled out the speaker I just pulled it out to make it clean Now you need to check Here, I check directly for you to see Have you checked the source? Repair a TV or repair anything In addition to the brain part, the main part For normal TV operation, the source must be 13v I will check the power line 13v Based on the parameters, the ripple effect We call it ripple effect If you useuled the restrictive engine see I will test the signal to see if there is a power supply Let's check the power supply cable To test if there's power feedIGH Let's test if there's power feedIGH Let's open the power supply In front of you, any panel will go through the first pin Here I will measure the pin I will turn it closer to show you This pin is 3A and 32v If I measure here, the power is lost You see, the power is lost I measure the two ends of the pin to see if the power is lost And I measure the end of the diode The end of the diode goes into the panel