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SAC SA25 Avionics Display Manuals
Manuals and User Guides for SAC SA25 Avionics Display. We have
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SAC SA25 Avionics Display manual available for free PDF download: Manual
SAC SA25 Manual (224 pages)
Dual/IP66 Remote EC Non-Directional Beacon Transmitter NDB
Brand:
SAC
| Category:
Avionics Display
| Size: 5.37 MB
Table of Contents
Table of Contents
14
1 Introduction
21
General Description: SA100
21
Specifications: SA100
23
Figure 1-1. Transmitter Enclosure Dimensions
24
Figure 1-2. Transmitter Portrait
25
General Description: SA Radiobeacon Control System
27
Specifications: Automatic Transfer Unit SA Series
29
Local Radiobeacon Control
29
Remote Radiobeacon Control Panel
29
Control Link Specifications
30
2 Theory of Operation, Radiobeacon
31
Functional Description: SA100
31
Figure 2-1. SA Dual Series Block Diagram
33
Functional Description: Autotransfer System SA Series
35
Figure 2-2. Block Diagram
36
Detailed Circuit Analysis: SA100
37
Synthesizer PWB (KWOSYN)
37
Figure 2-3. KWOYSN Schematic
38
Figure 2-4. KWOSYN PWB Diagram
39
RF Driver
40
Tone Key
41
Figure 2-5. Tone Key Schematic
42
Figure 2-6. Tone Key PWB Diagram
43
Audio PWB (Optional)
44
Figure 2-7. Audio PWB Schematic
45
Figure 2-8. Audio PWB Diagram
46
Modulator Driver
47
Figure 2-9. ACTRL Schematic
48
Figure 2-10. ACTRL Diagram
49
Keyer
50
Keyer Code
50
Coder Shift Register PWB
50
Figure 2-11. Keyer Code Schematic
51
Figure 2-12. Keyer Code PWB Diagram
52
Figure 2-13. CRS Sample Program
53
Figure 2-14. Coder Shift Register Schematic
54
Figure 2-15. Coder Shift Register PWB Diagram
55
Modulator (DMOD)
56
Figure 2-16. DMOD Schematic
57
Figure 2-17. DMOD PWB Diagram
58
Power Amplifier
59
Figure 2-18. Power Amplifier Schematic
60
Figure 2-19. Power Amplifier PWB Diagram
61
Figure 2-20. Filter Schematic
62
Filter
63
Figure 2-21. Filter PWB Diagram
64
Figure 2-22. Filter PWB Jumper Detail
65
Monitor
66
Figure 2-23. HWRF PWB Schematic
67
Figure 2-24. HWRF PWB Diagram
68
Figure 2-25. AMTR1 PWB Diagram
69
Figure 2-26. AMTR Diagram
70
Figure 2-27. Page 1 Monitor Schematic
71
Figure 2-28. Page 2 Monitor Schematic
72
Figure 2-29. Monitor PWB Diagram
73
Figure 2-30. SA LED PWB Schematic
74
Figure 2-31. SA LED PWB Diagram
75
DC Power Supply (Optional)
76
Figure 2-32. DC Power Supply PWB Schematic (Single Units)
77
Figure 2-33. DC Power Supply PWB Diagram (Single Units)
78
Figure 2-34. DC Power Supply PWB Schematic (Dual Units)
79
Figure 2-35. DC Power Supply PWB Diagram (Dual Units)
80
Figure 2-36. DC Choke Schematic
81
Figure 2-37. DCHOKE PWB Diagram
82
AC Power Supply (Optional)
83
Figure 2-38. AC Power Supply Schematic
84
Figure 2-39. AC Power Supply Diagram
85
Figure 2-40. SA Exciter Control Motherboard Schematic
86
Figure 2-41. Series Exciter Control Motherboard Diagram
87
Figure 2-42. SA RF Motherboard Schematic
88
Figure 2-43. SA Series RF Motherboard Diagram
89
Figure 2-44. SA Series Transmitter Overall Schematic
90
Figure 2-45. Transmitter Diagram SA Series Rack Mount
91
Detailed Circuit Analysis: Automatic Transfer System SA Series
92
Local Radiobeacon Control System
92
Figure 2-46. Local Control System Overall Schematic
94
Figure 2-47. Local Radiobeacon Control Diagram
95
Figure 2-48. SA Relay 24VDC PWB Schematic
96
Figure 2-49. SA Relay 24VDC PWB Diagram
97
Figure 2-50. Local Control Motherboard Diagram
98
Figure 2-51. Page 1 Autotransfer Logic Schematic
99
Figure 2-52. Page 2 Autotransfer Logic Schematic
100
Figure 2-53. Autotransfer Logic PWB Diagram
101
Figure 2-54. Local Transfer Indicator PWB Diagram
102
DC Auto Disconnect PWB
103
Figure 2-55. DC Auto Disconnect
104
Figure 2-56. DC Auto Disconnect Diagram
105
Radiobeacon Remote Control
106
Serial Interface PWB
106
Modem PWB
106
Figure 2-57. Serial Interface PWB Schematic
108
Figure 2-58. Serial Interface PWB Assembly
109
Figure 2-59. Modem PWB Schematic
110
Figure 2-60. Modem PWB Assembly
111
Figure 2-61. Remote Radiobeacon Control Panel Schematic
112
Figure 2-62. Remote Radiobeacon Control Panel Diagram
113
Figure 2-63. Remote Transfer Indicator Assembly
114
Figure 2-64. Remote Control Motherboard Assembly
115
3 Antennas
117
Mast Antenna
117
H" Antenna
118
50-Foot Guyed Mast Antenna
118
Symmetrical "T" Antenna
118
Figure 3-1 Antenna Reactance
119
4 Installation and Operation
121
Transmitter Installation
121
Figure 4-1. Interconnecting Wire Diagram
122
Figure 4-2. Input/Output Terminal Blocks
123
Local Radiobeacon Control Unit
125
Remote Radiobeacon Control Panel
125
Load Center Battery Chargers (Optional)
127
Rack Mount Load Center/Battery Charger Theory of Operation
127
Load Center/Battery Charger Installation
128
Figure 4-1. Load Center/Battery Charger 110V/220V Single Phase(R/M) Overall Sche
129
Matic
129
Figure 4-3. Load Center/Battery Charger 110V or 220V (R/M) Diagram
131
Figure 4-4. Load Center/Battery Charger 220V Two Phase (R/M) Diagram
132
Alignment Procedure Rack Mount Version
133
Parts List
134
Outdoors (Standalone) Load Center/Battery Charger Theory of Operation4
137
Figure 4-1. Load Center/Battery Charger 110VAC (Standalone) Overall Schematic
141
Figure 4-2. Load Center/Battery Charger 110VAC or 220VAC (Standalone) DIA
142
Alignment Procedure Standalone Version
143
Parts Lists
145
Initial Transmitter Setup
147
Antenna Tuneup
148
Transmitter Check
148
Modulation Adjustment
149
Code Tone Modulation Adjustment
150
Voice Modulation Adjustment
150
Vswr
150
Monitor Adjustment-Voice System
151
Monitor Adjustment-Nonvoice System
151
Automatice Shutdown Test
152
Dual System (Optional)
152
5 Maintenance
153
Alignment and Adjustment
153
Power Supply Check
153
Synthesizer Adjustment
153
Tone Key PWB
154
Keyer
154
Filters
154
RF Section Check
154
Meter Adjustment
155
Audio PWB (Optional)
155
Monitor Control PWB
156
DC Board
157
DC Auto Disconnect PWB
157
Maintenance and Troubleshooting Radiobeacon Control
158
Figure 5-1. Troubleshooting Flow Chart
159
6 Parts List
161
7 Modifications
219
EMI Filter Module
219
Figure 7-1. EMI Filter Module Schematic
220
Figure 7-2. EMI Filter Module Diagram
221
Universal Serial Interface Adaptor
223
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