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Motorola ASTRO Digital Saber User Manual
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13-17
NTN7749G VOCON (V
ocoder/Controller) Board Schematic Diagram, Sheet 2 of 2
MAEPF-27100-O
SHEET 2
124
126
Table of Contents
™ Digital Saber™ /R
2
Default Chapter
2
Table of Contents
2
1 Foreword
6
Safety
6
Radio Frequency (RF) Operational Characteristics
6
Portable Radio Operation and EME Exposure
6
Electromagnetic Interference/Compatibility
8
Safety and General
9
Operational Warnings
9
Operational Cautions
10
Intrinsically Safe Radio Information
10
Manual Revisions
13
Computer Software Copyrights
13
Replacement Parts Ordering
14
Parts Ordering
14
Motorola Parts
14
Parts Identification
14
Portable Radio Model Numbering System
15
ASTRO Digital SABER Detailed Model Chart
16
Glossary
17
2 Introduction
20
General
20
Notations Used in this Manual
21
3 General Overview of an ASTRO Digital SABER Radio
22
Analog Mode of Operation
23
ASTRO Mode (Digital Mode)
23
Of Operation
23
Transceiver Board Overview
24
VOCON Board Overview
24
4 Radio Power
26
Introduction
26
General
26
B+ Routing for VHF/UHF Transceiver Boards
27
Figure 1 . B+ Routing for VHF/UHF Transceiver Boards
27
B+ Routing for 800Mhz Transceiver Boards
28
Figure 2. B+ Routing for 800Mhz Transceiver Boards
28
B+ Routing for VOCON Boards and Display Modules
29
Figure 3. B+ Routing for Vocoder/Controller (VOCON) Boards
30
5 VHF/UHF Transceiver Board Detailed Theory of Operation
32
Introduction
32
Frequency Generation Unit (FGU)
32
Antenna Switch
34
Receiver Front End
34
Receiver Back End
35
Transmitter
36
Harmonic Filter
36
RF Power Amplifier Module
36
ALC Circuits
36
800 Mhz Transceiver Board Detailed Theory of Operation
38
Introduction
38
Frequency Synthesis
38
Antenna Switch
39
Receiver Front End
40
Receiver Back End
41
Transmitter
42
7 VOCON Board Detailed Theory of Operation
44
Introduction
44
General
44
Controller Section
45
Figure 4. VOCON Board - Controller Section
45
Vocoder Section
46
Figure 5. VOCON Board - Vocoder Section
47
Switched Regulator
48
RX Signal Path
49
Figure 6. DSP RSSI Port - RX Mode
49
TX Signal Path
51
Figure 7. DSP RSSI Port - TX Mode
51
Controller Bootstrap and Asynchronous Buses
53
Figure 8. Host SB9600 and RS232 Ports
53
Vocoder Bootstrap
54
SPI Bus Interface
55
Universal Connector and Option Selects
55
Figure 9. Universal Connector
55
Figure 10. VOCON Board Connector - J201
55
Keypad and Display Module
56
Table 1. Option Select Functions
56
Controls and Control Top Flex
57
Figure 11. Control Top Flex
57
Controller Memory Map
58
Figure 12. Controller Memory Mapping
59
Vocoder Memory Map
60
Figure 13. Vocoder Memory Mapping
61
MCU System Clock
62
DSP System Clock
62
Radio Power-Up/Power-Down Sequence
62
8 Secure Modules
64
Introduction
64
Circuit Description
65
Troubleshooting
65
Secure Operations
65
Error 09/90
65
Keyload
65
9 Troubleshooting Procedures
66
Introduction
66
Handling Precautions
66
Voltage Measurement and Signal Tracing
67
Power-Up
68
Default Chapter
68
Power-Up Self-Check Errors
68
Power-Up Sequence
68
Standard Bias Table
71
Table 2. Standard Operating Bias
71
11 Troubleshooting Waveforms
72
Introduction
72
Waveforms
72
Figure 14. Waveform W1
72
Figure 15. Waveform W2
73
Figure 16. Waveform W3
73
Figure 17. Waveform W4
74
Figure 18. Waveform W5
74
Figure 19. Waveform W6
75
Figure 20. Waveform W7
75
Figure 21. Waveform W8
76
Figure 22. Waveform W9
76
Figure 23. Waveform W10
77
12 Troubleshooting Diagrams
78
Introduction to this Section
78
Table 3. J201 VOCON Board to Universal Connector
78
Table 4. J601VOCON Board to Display Board
79
Table 5. J701 VOCON Board to Keypad
79
Table 7. J801 VOCON Board to Encryption Board
80
Table 8. J901 VOCON Board to Control Top Flex
80
Chart 6. 01/81 Host ROM Checksum Failure
87
Chart 7. 01/82 or 002, External EEPROM Checksum Failure
88
Chart 8. 01/84 SLIC Initialization Failure
88
Chart 10. 01/92, Internal EEPROM
89
Checksum Failure
89
Chart 11. 02/A0, ADSIC Checksum Faiure
90
Chart 12. 02/81, DSP ROM Checksum Failure
90
Chart 13. 02/88, DSP External SRAM Failure U414
91
Chart 14. 02/84, DSP External SRAM Failure U403
91
Chart 15. 02/82, DSP External SRAM Failure U402
92
Chart 16. 02/90, General DSP Hardware Failure
92
Chart 17. 09/10, Secure Hardware Failure
93
Chart 18. 09/90, Secure Hardware Failure
93
13 Block Diagrams, Schematics, Electrical Parts Lists, and Circuit Board Details
109
Radio Interconnect Diagram
110
NLD8892R VHF Transceiver Board Schematic Diagram
111
NLD8892R VHF Transceiver Circuit Board Details and Parts List
112
NLE4560K UHF Range 1 Transceiver Board Schematic Diagram
114
NLE4560K UHF Range 1 Transceiver Circuit Board Details and Parts List
115
NLE4244P UHF Range 2 Transceiver Board Schematic Diagram
117
NLE4244P UHF Range 2 Transceiver Circuit Board Details and Parts List
118
NUF6411K 800 Mhz Transceiver Board Schematic Diagram
120
NUF6411K 800 Mhz Transceiver Circuit Board Details and Parts List
121
NTN7749G VOCON (Vocoder/Controller) Board Schematic Diagram, Sheet 1 of 2
124
NTN7749G VOCON (Vocoder/Controller) Board Schematic Diagram, Sheet 2 of 2
125
NTN7749G VOCON (Vocoder/Controller) Circuit Board Details & Parts List
126
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Motorola ASTRO Digital Saber Specifications
General
Brand
Motorola
Model
ASTRO Digital Saber
Category
Portable Radio
Language
English
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