Dell KB522
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| Model no. | KB522 |
|---|---|
| Part number | 02H8RN |
| FCC ID | None |
| Branding | Dell |
| Manufacturer | Logitech |
| Features |
Multimedia hotkeys Volume control Two-port USB hub |
| Layouts | ANSI, ISO |
| Keyswitches | Rubber dome over membrane |
| Interface | USB |
| Supersedes | Dell SK-8135 |
Dell KB522 is a multimedia keyboard from Dell, manufactured by Logitech. The keyboard uses rubber domes for the main keys, and an isolated PCB—which connects to the keyboard matrix—featuring miniature microswitches for the media keys. This PCB also features a vertically-mounted volume knob. There are two USB ports at the rear.
The keycaps are low-profile, and the keys are reduced travel. The overall design is similar to the basic Dell KB1421, but the force curve is quite mushy compared to the sharp, positive action of the KB1421.
The three membrane sheets are each 0.07 mm thick.
The project name appears to be "Scarlet", as this name is written on all three PCBs as well as the case itself.
Gallery
Exterior
Box
Logitech is mentioned on the outside of the box
Top
Wrist rest detached
Bottom, with wrist rest fitted
Keycap printing styles (decal and non-decal)
Volume wheel
LEDs
Model number is moulded into the case
Internals
Controller and USB hub PCBs
Media key PCB, left-hand side
Media key PCB connects to the keyboard matrix
Markings on the inside of the top case
The membranes are supported directly by the bottom case
Membrane layers
Membrane layers, separated
Membrane connected to the controller PCB
Media key PCB connected to the membrane
Dome sheet and membranes
Dome and keycaps
Stabiliser
The stabiliser wire snaps into grips moulded directly into the keycap
