Cách Kiểm Tra Đèn LED bằng tay của Thầy Mò Chưa Ai Làm Bao Giờ Dám Làm Bạn ko làm theo nhé #led

TỰ HỌC NGHỀ LẬP NGHIỆP
16 Người theo dõi
5 Lượt xem video·23 thg 6, 2024
Đây Là video về Led
hướng dẫn sửa đèn led
I have to go through this anti-theft kit. You guys watch the lesson to make this kit. You guys turn on the power
It's not bright
This is the power, the power is bright, but it's not bright, it's not bright, it's not bright, so I take it out and I'll know what's inside
This video will quickly guide you how to handle it. For this problem, there are too many deaths, so I should either leave it or I
I will fix all the LEDs
I replaced all of these LEDs. I asked for it. The children
the child
The LED is not strong enough
I do not stand the rest of the LEDs, the source you guys it's bright, but the degree of the ground is not high
This is a LED light, a LED light tray, it has a driver and 220 volts in here and
Go here DC power to supply our led list
You see, the red wire will go here, here, here, around, around, around, around, around everything.
You guys take a picture of your hand.
Take a picture of your hand.
Do you see it light up?
There, now I take a picture up and see it's bright.
There is a non-bright one, a non-bright one.
A non-bright one, a non-bright one, a non-bright one, and a non-bright one.
Proof that our flashlight, how many of these, it is already broken, guys.
So you replace it a lot, one, two, three, four, five, six.
Step out all.
And let's take a look at this side
When you pull it up here, the non-luminous ones will appear
And you can't see the black LEDs in the light bulb
You see
Now, let's measure to see if it's really non-luminous or not
It's a little bit jittery, remember to turn off the power
Turn on the timer
1
And turn off the power
Now, let's take a look at the non-luminous ones
Let's take a look
It's not light up, it's broken
What about the non-luminous ones?
For example, this one is non-luminous
Let's take a look at it
Why is this one non-luminous but the others are?
Because it's jittery
Let's take a look
It's jittery, let's turn on the timer
Turn on the timer
Can you see it?
It's both non-luminous and non-luminous
Both non-luminous and non-luminous
It means that this one is jittery
So the power goes through here
But this one is not jittery
So it can't go through
Now, let's turn it on
Take your watch
Put it over the coal
1 kg
Now, let's measure
Let's measure
It's still non-luminous
Can you see it?
The light is on
And the jittery ones are also jittery
Only this one is broken
In addition to measuring by hand
You can also measure the watch
For the 3V led
There are 9V, 24V, 32V, 48V
Please watch the following videos
And in the channel, you will be guided to repair
