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.
Power on/off button is on the top, bracket sink is in the middle, 5V 2A microUSB power input.
On its bottom, it has a two holes including reset button and microphone.
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.
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.
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.
The protective cover has touch button cable, we need to disconnect it carefully.
The LCD screen, it's a 3-inch size LCD display, but image clarity is not very high.
Now we are able to see main board, it has a metal shield to protect its main parts.
The next, we disconnect backup battery from 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, in real test it's not possible to record video by using this internal battery.
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.
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.
Sony IMX323 CMOS image sensor, its size is 1/2.9 inch.
Comparing dimension with TF memory card
microUSB power input jack, beside is a WS3202 DC/DC conversion IC.
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.
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