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Table of Contents
Chapter 1 THEORY OF OPERATION
1.0 Overview..............................................................................................................1-1
2.0 Radio Power Distribution.....................................................................................1-1
3.0 Controller Board ..................................................................................................1-2
3.1 General ..........................................................................................................1-2
3.2 Digital Architecture.........................................................................................1-3
3.3 Keypad...........................................................................................................1-4
Chapter 2 TROUBLESHOOTING CHARTS
1.0 Troubleshooting Charts (includes Controller and Keypad).................................. 2-1
Chapter 3 CONTROLLER SCHEMATICS
1.0 Allocation of PCBs and Schematic Diagrams...................................................... 3-1
1.1 Notes For All Schematics and Circuit Boards ................................................ 3-1
2.0 Keypad/Controller - RF Board Interconnecting Flex............................................ 3-4
2.1 Flex Layout Rev A and Rev B Schematic ......................................................3-4
2.2 Flex Layout Rev O Schematic........................................................................3-4
2.3 Parts List for Keypad/Controller - RF Board Interconnect Flex......................3-5
2.4 Flex Layout Rev A.......................................................................................... 3-5
2.5 Flex Layout Rev B.......................................................................................... 3-5
2.6 Flex Layout Rev O ......................................................................................... 3-6
3.0 Universal Connector Flex .................................................................................... 3-7
3.1 Flex for GP344/GP644................................................................................... 3-7
3.2 Flex for GP388/GP688................................................................................... 3-9
3.3 Schematic for Universal Flex GP344/GP644...............................................3-11
3.4 Schematic for Universal Flex GP388/GP688...............................................3-11
3.5 Parts List for Universal Flex GP344/GP644 (8404079G07)......................... 3-12
3.6 Parts List for Universal Flex GP344/GP644 (8415909H01 & 8471612L01) 3-12
3.7 Parts List for Universal Flex GP388/GP688 (8486095Z01) ......................... 3-12
3.8 Parts List for Universal Flex GP388/GP688 (8486095Z02 & 8471698L01). 3-12
4.0 PCB/Schematic Diagrams and Radio Parts List (RF Board) (EPP) - Radios with
Keypad and Display........................................................................................... 3-13
4.1 8404051G01 ................................................................................................3-13
4.2 8415530H01 & 8404056G01/G02................................................................3-21
4.2 8471678L01 & 8471679L01 (IP67)..............................................................3-49
5.0 Controller Board Schematics for Radios without Keypad/Display ..................... 3-69
5.1 8404051G07/G08/G09.................................................................................3-69
5.2 8415885H01.................................................................................................3-83
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