Theory of Operation
: Controller
3-21
3.2
Controller
3.2.1
Controller Overview
This section provides a detailed circuit description of the APX 1000 controller design. The controller
design consists of the following board and flexes:
Printed Circuit Boards
• Main Board
• Keypad Board
Flexes
• GCAI (Global Core Accessory Interface) (BT Antenna/TX/RX LED)
• Side Controls
• Backkit (keypad)
• Frontkit (audio/speaker/knob/front display)
• Mic
The controller interconnection diagram (
Figure 3-13.
) shows the various physical components of the
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.
Figure 3-13. Controller Interconnection Diagram
Keypad
Board
GCAI
Front display
Speaker
and knob
Side
control
Main board
Mic
Summary of Contents for APX 2000
Page 1: ...APXTM TWO WAY RADIOS APX 1000 APX 2000 APX 4000 APX 4000Li DETAILED SERVICE MANUAL ...
Page 4: ......
Page 6: ...iv Document History Notes ...
Page 8: ...Notes vi Commercial Warranty ...
Page 10: ...Notes ...
Page 22: ...xiv List of Figures Notes ...
Page 226: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 688: ...Index 4 Index Notes ...
Page 690: ...ii Notes ...
Page 700: ...xvi List of Figures Notes ...
Page 806: ...5 50 Troubleshooting Charts PA Failure Notes ...
Page 1008: ...8 178 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 84012621001 Notes ...
Page 1062: ...8 234 Schematics Boards Overlays and Parts Lists Keypad Board M2 and M3 PC000261A01 Notes ...
Page 1064: ...ii Notes ...
Page 1068: ...Notes A 4 EMEA Warranty Service and Technical Support Further Assistance From Motorola ...
Page 1090: ...Glossary 10 Glossary Notes ...
Page 1094: ...Index 4 Index Notes ...
Page 1095: ......