Millet TV 3 disassemble: the layout is neat and tidy

On August 14th, Xiaomi Television held an on-site dismantling activity at the Xiaomi House in Qinghe Wucai City, Beijing. The main characters that were demolished are the 55-inch and 60-inch versions of the current main model, the Millet TV 3. Both TVs are split-TV products, priced at 3299 yuan and 4299 yuan respectively. Let's take a look at their internal structure.
The chip and circuit board of Xiaomi TV 3 are located at the lower part of the back of the fuselage and above the split main body. From the opened back panel, the overall layout is very neat and tidy.
The 55-inch version of the LCD logic board (T-CON board) was first removed. Its main function is to drive the LVDS digital signal sent from the main board to the logic board timing control and convert the LCD panel glass substrate to the required rank driving. Digital signals drive the LCD screen to display images.
Since the liquid crystal display logic board (T-CON board) is mainly supplied by the upstream panel maker along with the display screen, we can see that the 55-inch millet TV 3 T-CON board is provided by the Samsung Display's Samsung Display. It uses Samsung's VA display.
Next, the power strip of the millet TV 3 dismantled, as the name implies, is a power board-based board, which is mainly responsible for regulating and satisfying a display, a speaker, a host chip, etc. on a television. Circuit requirements for various components.
It can be seen that due to the AC, DC, pulse, high voltage, low voltage, high frequency, low frequency and other input and output methods, as well as step-up, step-down, constant voltage, constant current, linear, and nonlinear controllable conversion types, the power supply The board is covered with a large number of components including resistors, capacitors, and coil-coupled transformers.
Power board details, the overall work is still very solid.
Finally, the adapter board is removed from the TV, mainly used to connect the host part and the LCD screen, to play a signal communication. It can be seen that it uses a large area of ​​aluminum alloy heat sink, according to millet engineers, the chip used to work is Mstar 6M60.
The solder joint layout and workmanship on the back of the adapter board are also very neat.
The three components of the adapter board, T-CON board, and power board constitute the main board portion of the TV.
Disassemble a light backplane, the overall layout is also very simple.
As a split TV, after the television is dismantled, it is naturally disassembled. The host of Xiaomi TV 3 can be regarded as a combination of a TV box and a sound box.
The horn of the main unit is located on both sides of the fuselage, and the processing chip is located in the middle of the fuselage. It can be seen that the layout is very neat and compact.
In the details section, the 55-inch and 60-inch versions of the Xiaomi TV 3's console are the same, and all use the Mstar 6A928 processor.
Next is the 60-inch millet TV 3, which is generally similar to the 55-inch TV.
The picture shows the 60-inch version of the TV adapter board, also used is the Mstar 6M60 chip.
What will be removed next will be the power board portion of the 60-inch millet TV 3 .
Because the power of the 60-inch version will vary from 55 inches, the components of the two boards will also be different.
The details of the 60-inch power board are also very solid and solid.
Since the 60-inch millet TV 3 uses the LG Display's IPS panel, it can be seen that its T-CON board is provided by LG Display.

In general, regardless of gimmicks, regardless of feelings, Xiaomi TV 3's internal motherboard layout is still very simple and neat, details of work is also very solid, this point is still worthy of recognition.

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