Controller; Figure 3-14. Controller Interconnection Diagram - Motorola APX 5000 Service Manual

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3.2

Controller

3.2.1 Controller Overview
This section provides a detailed circuit description of the APX 5000/APX 6000/APX 6000XE/
SRX 2000 controller design. The controller design consists of the following board and flexes:
Printed Circuit Boards
• VOCON Board
• Expansion Board
• GCAI Connector Board
Flexes
• Control Top (Top Display, Buttons, Knobs)
• Front Chassis Display
• Front Chassis Keypad
• GCAI (Global Core Accessory Interface)
• Side Controls
• Audio Side Microphone / Speaker / Bluetooth Antenna
• Data Side Microphone
The controller interconnection diagram
design, along with how they are all connected. It also shows the key distinguishes between a flex
connection and a board-to-board connection. A brief description of each of the components is
provided below.
KEY
= Flex
= Board to Board
Keypad
Front
Display
(Figure
Top Display
VOCON
Board
Data
RF Board
Mic

Figure 3-14. Controller Interconnection Diagram

Theory of Operation
3-14) shows the various physical components of the
Top
Controls
Expansion
Board
: Controller
Side
Controls
Audioside
Speaker
& Mic;
BT Antenna
GCAI