Technical Manual
Table Of Contents
- Vocoder and Controller Boards Detailed Theory of Operation
- Introduction to This Section
- General
- Vocoder Board
- Controller Board
- Switching Regulator
- RX Signal Path
- TX Signal Path
- Controller Bootstrap and Asynchronous Buses
- Vocoder Bootstrap
- SPI Bus Interface
- Universal Connector and Option Selects
- Keypad and Display Module
- Controls and Control Top Flex
- Controller Memory Map
- Vocoder Memory Map
- MCU System Clock
- DSP System Clock
- Radio Power-Up/ Power-Down Sequence
- Notes
- Secure Modules
- Disassembly/Reassembly Procedures
- Troubleshooting Procedures
- Troubleshooting Charts
- Troubleshooting Waveforms
- Troubleshooting Diagrams
9-5
- Fail 02/90 if failure
- Wait for the first part of the DSP version number.
- Fail 02/90 if 100ms.
- Wait for the second part of the DSP version number.
- Fail 02/90 if 100ms.
11.Display errors if a fatal error exists at this point.
12.Checksum the codeplug.
- Test internal codeplug checksums.
- Fail 01/92 if failure.
- Test external codeplug checksums.
- Error 01/82 if non-fatal error; fail 01/82 if fatal error.
13.Power-up the EMC (if it is enabled in the codeplug).
14.Turn off the green LED.
15.Start up operating system.