Xiaomi Mobile Phone

Xiaomi Mi TV3 Teardown (60-inch)

In this guide, I will explain how to disassemble the Xiaomi Mi TV3 to remove the back cover, display assembly, and motherboard.

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According to official specifications, the 60-inch Xiaomi TV 3 uses an LGD IPS panel, and the panel information and internal structure are our main concerns.
60-inch Xiaomi TV 3

Our tools include a multi-function screwdriver, electric screwdriver, crowbar, and magnifier.
Tools

Remove the twenty-two screws securing the back cover.
Remove the twenty-two screws securing the back cover

After removing the screws, the plastic back cover can be easily opened.
Remove the back cover

After removing the back cover, the internal structure is extremely simple. Compared to other brands’ 4K TVs, the craftsmanship of the Xiaomi TV 3 is indeed outstanding.
60-inch Xiaomi TV 3 internal structure

Let us look at the circuit board. TheĀ arrangement of various components on the circuit board is very reasonable, and the craftsmanship is also excellent.
60-inch Xiaomi TV 3 circuit board

60-inch Xiaomi TV 3 circuit board

Signal output and image processing circuit board
Signal output and image processing circuit board

The 60-inch wide viewing angle IPS panel from LG Display, the original panel model is MI60TV (T8), and the LCD module is assembled by Taiwan Radiant.
MI60TV (T8)

Remove the control chip module.
Remove the control chip module

You can see that the LCD control chip is the LGD original chip.
LGD original chip

Now we start to disassemble the host and sound module.
Disassemble the host and sound module

Remove all screws from the sound module.
Remove all screws from the sound module

Pry up the cover with a crowbar.
Pry up the cover with a crowbar

Remove the cover

Button control chip
Button control chip

To access the motherboard, use a small screwdriver to remove a few screws.

Xiaomi Mi TV3 motherboard
Xiaomi Mi TV3 motherboard

Morningstar 6A928 TV processor. Next to the processor is a Samsung memory chip.
Morningstar 6A928 TV processor

Four 2.5-inch bass speakers and two 20-pin tweeters, featuring Dolby audio technology, support virtual surround, bass enhancement, and automatic volume balancing.
Speakers

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2 Comments

  1. Hello. Great teardown! I have a Mi TV 3 60-inch and have a problem with the TV signal output and the image processing unit board. The screen doesn’t seem to recognize the Mi TV bar. The Mi TV bar is working fine, as I’ve tested it with another Mi TV with a 60-inch screen. The Mi port wire cable is working fine as well. The TV is turning on, but I cannot receive a signal from my bar. I’m thinking of replacing the board where the Mi port is attached. Please help me find a replacement board. I would appreciate it. I live in Kenya and want to repair it.
    Thank you.

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