In this guide, I will disassemble a Lenovo Yoga 920 laptop. I will remove the bottom cover in order to access the battery, RAM, SSD, Wi-Fi card, keyboard, touchpad, speaker, cooling fan, heat sink and motherboard.
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The Lenovo Yoga 910 teardown you can click here.
Its back cover is still using a single piece of aluminum alloy plate, the YOGA 920 with the hidden air inlet and outlet design and the back cover without any cooling holes. There is no hole to solve the antenna problems, and it only has small holes are provided for JBL speakers on both sides of the lower part.
Unscrew ten screws securing the back cover. You can easily remove the cover. You can see that the layout of the whole interior is simple and clear, and there is no messy cable arrangement. The overall black style has Macbook’s style.
Before continuing to disassemble, we need to disconnect the battery connector from the motherboard.
It may be due to the thinning of the body. The battery capacity is slightly reduced. The battery capacity reaches 70-watt hours in the case of maintaining the 700Wh/L high-density cell design.
After the battery is removed, it is also obvious that the YOGA 920 cable is much tidy than the YOGA 910’s.
The speaker is larger than the previous generation. It also makes YOGA 920 speakers sound better.
The touch panel is covered with a thin glass, which can improve the touch feeling. There is also a metal plate on the back to ensure the stability of the point when touching the touchpad.
Take off the touchpad. You can see the two noise reduction microphone cable, can be said to be quite neat.
Remove one screw securing the fingerprint module.
The fingerprint module provided by Synaptics.
The I/O logic board connection cable
This I/O logic board integrates a power button and a one-button recovery button, the power button and the motherboard separate design is conducive to reducing maintenance costs.
Yoga 920 and Yoga 910 using the same wireless card, the antenna cable design is basically the same as the Yoga 910.
Qualcomm Atheros QCNFA344A wireless card, Lenovo P/N: 01AX713
The screen cable hidden in the LCD hinges has been the practice of several generations, the screen cable, and camera cable together as one, placed in the center of the three-section LCD hinges. It will not affect LCD hinges 360°movement at the same time, but also ensure that the cable will not be over-bending.
Disconnect all cables and screws. You can remove the motherboard, and you can see the biggest difference of the sixth generation YOGA motherboard, a total of three points: 1. Use dual copper tube; 2. 16GB memory onboard on the same side of the motherboard, and covered by the metal shield; 3. SSD need to remove the motherboard before you can replace.
Before removing the heat sink module, we first need to disconnect the fan cable.
Lenovo Yoga 920 heat sink and cooling fan module
Samsung PM961 1TB M.2 PCIe NVMe SSD, Lenovo P/N: 5SD0L07883
We split the fan to make a close-up of the fan blade.
Because the fan’s metal blade is very thin, which is conducive to improve the density of fan blades, to bring greater air intake and air flow.
Remove the metal shield. You can see eight memory particles evenly distributed on the motherboard, constitute the memory capacity of 16GB.
The back of the motherboard has two important chips, namely: Realtek ALC3268 sound card chip is very common in a laptop, but the Realtek ALC1304 is less common.
After removing all the screws securing the LCD hinge, the LCD screen can be separated from the motherboard.
After you remove the motherboard, you can access the keyboard. It is fixed by a lot of screws.
Lenovo Yoga 920 keyboard
Lenovo Yoga 920 palm rest
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