Inside the Black V2
To get to this stage of the tear down, we had to remove four screws, two of which are hidden. Once the screws were removed, the Black V2 easily came apart into its four main components. Each side has a section, and there is a top cover, but the lower section holds all of the goodies.
Under the left-click button, we find an OMRON D2F2-F-7N switch that should give you up to five-million clicks before running out of life.
There are four secondary switches, each marked with a "W" inside of an oval, and we are guessing these are Well Buying switches. These offer less resistance than the OMRONs do, and the click is slightly less audible as well.
Just above the logo and name painted on the black PCB, we find one of two LEDs that illuminate this mouse. The other LED is at the top of the image, and is tucked inside to be sure the clear scroll wheel is illuminated too.
Here we find the Sonix SN8F2288FG IC. This 8-bit, full-speed USB 2.0 MCU is in control of sending all of the signals back and forth. This is also where the 128KB of onboard storage is held.
Moving back to the front of the mouse, we see an OMRON under the right-click button, while the scroll wheel click is backed with a secondary switch. We also like that the USB cable plugs into the mouse, so there is potential for a much easier fix should you need to replace the cable later in life.
We had to remove the upper section of PCB to get this image, but we wanted to verify that we were indeed using the Avago ADNS A9500.
After reassembly, we went forward and powered the Black V2. Now we can see the bright LEDs in the mouse illuminating the logo at the back, and the wheel at the front. We can also see the thin section on the left of the mouse that shows we have the fourth level of DPI selected, as all four lights are illuminated.
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