Keyboard - GE LOGIQ P3 PRO Service Manual

GE
D 5308917-100, R
IRECTION
5-2-7

Keyboard

Keyboard has the following main interfaces:
1.) USB controller that interfaces the Keyboard to the System SW. The ultrasound Keys are directly
mapped to this controller.
2.) Trackball and Alphanumeric Keyboard is connected to the system via the PS2 interface. There is
one Microcontroller that decodes the Alphanumeric key press information and relays this
information to the system via the PS2.
3.) One USB port is extended from the MST board and is available on the Keyboard.
5-20
PROPRIETARY TO GE
8
EVISION
Figure 5-16 Keyboard Block Diagram
Section 5-2 - PWA Assy Diagrams
LOGIQ P3 S M
ERVICE ANUAL