Yi 1080p Dashcam

Disassemble Yi 1080p Dashcam IMX323 MSC8328P

Disassembling MJXCJLY01BY which is a 1080p Dashcam from Yi technology. Yi technology is one of subordinate companies from e-commerce consumer electronics conglomerate Xiaomi Group. This popular selling FHD dashcam utilizes Sony IMX323 1/2.9” 2-megapixel CMOS image sensor, integrated with MStar MSC8328P SoC processor, it’s equipped with a 160 degree wide angle lens with aperture value of F1.8, the dashcam can support max. 1080p@30fps video shooting and recording. The photos in this article are from Geekifix, a website which is dedicated to disassemble the latest consumer electronics.

Side View of Yi 1080p Dashcam
Side View of Yi 1080p Dashcam

Power on/off button is on the top, bracket sink is in the middle, 5V 2A microUSB power input.

Bottom View of Yi 1080p Dashcam
Bottom View of Yi 1080p Dashcam

On its bottom, it has a two holes including reset button and microphone.

Yi 1080p Dashcam with swivel bracket
Yi 1080p Dashcam with swivel bracket

Before embarking on disassembling, we should use tool to open snap from this side, making sure don’t open it with a wide angle, since there is signal cable attached to screen.

Disassemble Yi FHD dashcam
Disassemble Yi FHD dashcam
Disassemble Yi FHD dashcam
Disassemble Yi FHD dashcam

Opening screen part in such degree angle, using tweezers to disconnect screen cable. Opening from this side, because there are hidden screws on the other side.

Disassemble Yi FHD dashcam
Separating cover from screen by using hot air gun

The next we need to use hot air gun with temperature-Celsius degree, slow wind speed to blow protective transparent cover in order to separate it from the screen.

Disassemble Yi FHD dashcam
Touch button connection cable and connector

The protective cover has touch button cable, we need to disconnect it carefully.

The touch key main IC
The touch key main IC on connection cable.
Dashcam 3-inch LCD Display
Dashcam 3-inch LCD Display

The LCD screen, it's a 3-inch size LCD display, but image clarity is not very high.

Yi 1080p Dashcam Main Board
Yi 1080p Dashcam Main Board

Now we are able to see main board, it has a metal shield to protect its main parts.

Yi 1080p Dashcam Main Board
Yi 1080p Dashcam Main Board

The next, we disconnect backup battery from main-board.

Yi 1080p Dashcam Main Board
Yi 1080p Dashcam Main Board

Now we can take main board out and find camera component is still inside front house.

3.7V 240mAh 0.89Wh Lithuim-ion battery
3.7V 240mAh 0.89Wh Lithuim-ion battery

3.7V 240mAh 0.89Wh Lithuim-ion battery, in real test it's not possible to record video by using this internal battery.

Wi-Fi antenna is adhered on front housing
Wi-Fi antenna is adhered on front housing
Single channel speaker
Single channel speaker
Yi FHD Dashcam Camera Module
Yi FHD Dashcam Camera Module

Yi FHD dashcam supports F1.8 big aperture, it uses a 6 group of glasses lens with have special coat to enhance lighting sensitivity and reduce light relfection, hence can achieve high quality imaging.

Yi FHD Dashcam Camera Module
Yi FHD Dashcam Camera Module
Yi FHD Dashcam Camera Module
Yi FHD Dashcam Camera Module

This 2-megapixel dashcam is equipped with a Sony IMX323 CMOS image sensor, light sensitivity reaches 510mv (F5.6 standard), image sensor is 1/2.9" inch, it can capture high quality image even under cloudy or night etc dim lighting condtions.

Yi FHD Dashcam Lens and CMOS Image Sensor
Dashcam Lens and CMOS Image Sensor
Yi FHD Dashcam Lens and IR Filter
Infrared Filter
Sony IMX323 CMOS image sensor, its size is 1/2.9 inch.
Sony IMX323

Sony IMX323 CMOS image sensor, its size is 1/2.9 inch.

Sony IMX323 Size
Sony IMX323

Comparing dimension with TF memory card

Dashcam PCB Board
All electronic components on PCB board
Dashcam PCB Board
PCB board after removal of metal shield
WS3202 DC/DC Conversion IC
WS3202 DC/DC Conversion IC

microUSB power input jack, beside is a WS3202 DC/DC conversion IC.

Tiny power on/off button
Tiny power on/off button
microSD/TF memory card slot
microSD/TF memory card slot
Dashcam Reset Button and Microphone
Dashcam Reset Button and Microphone
Model AP6181 Wi-Fi Module
Model AP6181 Wi-Fi Module
Model AP6181 Wi-Fi Module
Model AP6181 Wi-Fi Module
Wi-Fi Antenna Contact
Wi-Fi Antenna Contact
Screen cable connection socket
Screen cable connection socket
Another button unknown function
Unknown function button
Camera signal connection socket
Camera signal connection socket
Winbond 25Q64JVSIQ 8M Flash Memory
Winbond 25Q64JVSIQ 8M Flash Memory
MStar MSC8328 SoC
MStar MSC8328 SoC

MStar MSC8328 processor. MSC8328P is a mature and wide spreading solution for small screen size dashcam. It can provide all-in-one solution for car-cam, sports-cam and IP camera. The main processor is dual-core 600MHz 32bit RISC, embedded DDR, on-chip high quality ISP. By connecting external GPS, can achieve measure and record vehicle speed and vehicle tracking function. It can support auto-cycle recording, can set time for compiling each video files. Supporting lane detection, front car detection, lane departure warning system (LDWS), front crash warning system (FCWS) etc, can bring users good security experience; it support Wi-Fi connection, can achieve real-time preview, playback, download and sharing video as well; it can support true 1920x1080, 30fps video, NTSC/PAL, TV and HDMI video output.

NS4150 low power EMI
NS4150 low power EMI, requiring no filter, 3W single channel c;ass D audio amplifier IC
Yi Dashcam All Components
Yi Dashcam All Components

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