SAC SA100 User manual

Box 5345 • Beaumont • Texas • 77726-5345 • USA • Phone [phone] • Fax [phone] • Email [email protected]
www.southernavionics.com
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
SOUTHERN AVIONICS COMPANY
Model SA100 Dual/IP66 Remote EC
Non-Directional Beacon Transmitter NDB
Manual #SD405082
Revision F
Printed
September 30, 2008

Box 5345 • Beaumont • Texas • 77726-5345 • USA • Phone [phone] • Fax [phone] • Email [email protected]
www.southernavionics.com
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
SOUTHERN AVIONICS COMPANY
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Box 5345 • Beaumont • Texas • 77726-5345 • USA • Phone [phone] • Fax [phone] • Email [email protected]
www.southernavionics.com
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
SOUTHERN AVIONICS COMPANY
SOUTHERN AVIONICS COMPANY
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
5000 BELMONT, P.O. BOX 5345 / BEAUMONT, TEXAS 77726-5345 USA
TELEPHONE: [phone]; FAX: [phone]; EMAIL: [email protected]
STANDARD 14 MONTH LIMITED WARRANTY
SOUTHERN AVIONICS COMPANY (hereinafter called COMPANY) warrants to the original purchaser for
a period of fourteen months from the date of shipment to the original purchaser, that the goods sold
pursuant to this COMPANY invoice were at the time of the delivery, free from defects resulting from faulty
material or workmanship. THIS LIMITED WARRANTY IS IN LIEU OF ALL OTHER REPRESENTATIONS
AND EXPRESS WARRANTIES. This warranty is made for the benefit of the initial purchaser only and is
not made for the benefit of any party other than initial purchaser. It applies only if the goods are
submitted to normal use and service and does not apply if the goods are misused or mismatched
with other goods such as antennas, couplers, or any other third party goods that have not been
approved by SAC in writing for use with SAC equipment.
ALL IMPLIED WARRANTIES EXISTING UNDER THE LAW ARE HEREBY EXPRESSLY NEGATED;
PARTICULARLY, COMPANY HEREBY NEGATES AND DISCLAIMS THE IMPLIED WARRANTY OF
MERCHANTABILITY AND IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.
If Purchaser believes that these goods do not comply with the express warranty stated above or any
existing and applicable implied warranty which under the law cannot be disclaimed or negated as provided
above, then purchaser may request the COMPANY inspect such goods by mailing, within sixty (60) days
after purchaser knows or should have known that the goods allegedly do not conform with the warranty,
postage prepaid, to COMPANY, P.O. Box 5345, 5000 Belmont, Beaumont, Texas, 77726 Attention:
President, a writing specifying (a) purchaser's name, address, and telephone number, (b) date of
purchase, (c) COMPANY distributor or location from which the goods were purchased, (d) location of the
goods in question (or include the goods in question with the notice), and (e) brief description of the alleged
nonconformity with the warranty. If the goods are covered by, and do not conform to, the warranty,
COMPANY will repair or replace F.O.B. point of manufacture any such goods; but in no event will
COMPANY be obligated or required to remove the non-conforming goods from their place of installation or
to install the replacement goods. All replacement goods are warranted to the extent provided herein for
the remaining term of this warranty.
In the event purchaser chooses to commence an action for breach of warranty or breach of contract arising
out of the sale of the goods pursuant to this invoice, the purchaser must commence such action within one
year after the course of action accrues.
THE REMEDY PROVIDED HEREIN SHALL BE THE SOLE AND EXCLUSIVE REMEDY FOR BREACH
OF THIS WARRANTY, FOR ANY BREACH OF ANY IMPLIED WARRANTY EXISTING AND
APPLICABLE UNDER THE LAW (TO THE EXTENT THAT ANY SUCH WARRANTY HAS NOT BEEN
SUCCESSFULLY NEGATED AND DISCLAIMED HEREINABOVE), AND FOR ANY ACT OF
NEGLIGENCE OR ANY OTHER TORTIOUS ACT COMMITTED BY COMPANY, AND IN NO EVENT
SHALL THE COMPANY BE LIABLE TO PURCHASER OR ANY THIRD PARTY FOR ANY INCIDENTAL,

Box 5345 • Beaumont • Texas • 77726-5345 • USA • Phone [phone] • Fax [phone] • Email [email protected]
www.southernavionics.com
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
SOUTHERN AVIONICS COMPANY
CONSEQUENTIAL OR SPECIAL DAMAGES RESULTING FROM ANY DEFECT IN THE GOODS OR
ANY FAILURE OF THE GOODS TO CONFORM WITH THIS WARRANTY OR ANY IMPLIED
WARRANTY EXISTING AND APPLICABLE UNDER THE LAW (TO THE EXTENT THAT ANY SUCH
IMPLIED WARRANTY HAS NOT BEEN SUCCESSFULLY NEGATED AND DISCLAIMED
HEREINABOVE.)

Box 5345 • Beaumont • Texas • 77726-5345 • USA • Phone [phone] • Fax [phone] • Email [email protected]
www.southernavionics.com
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
SOUTHERN AVIONICS COMPANY
Repair Policy
Repair Rate: One Hundred Twenty ($120) Dollars per hour plus Parts.
Minimum Repair Cost: One Hundred Twenty ($120) Dollars.
Maximum Repair Cost: Seventy-five (75) percent of the price for a new or reconditioned item or
its direct replacement. If an item sent to SAC for Repair is determined to be non-repairable and
is replaced by a new or reconditioned item, the Customer is not charged for any costs incurred in
time and materials spent in efforts to repair that particular non-repairable item. The Customer will
only be charged the price of the replacement item. All non-repairable items are returned to the
Customer. However, if the Customer does not purchase a new or reconditioned item to replace
that particular non-repairable item the Minimum Repair Cost is applied.
Turnaround Time: Southern Avionics Company's standard Turnaround Time is 45 days.
Customers that request the Repair be processed in less than 45 days will be charged an
Expediting Fee of Thirty ($30) Dollars per hour in addition to the standard Repair Rate.
RMA (Return Material Authorization): Southern Avionics Company requires all items
submitted to our factory for Repair must be accompanied by a Return Merchandise Authorization
(RMA) Number. Please make a RMA request before returning items to Southern Avionics
Company. This is the best way to communicate with us and ensure that your needs are taken
care of. A RMA Number may be obtained by contacting Angela Flores, Sales Administrator either
by telephone at 409-842-1717, extension 111 or by e-mail at [email protected].
Rejection: Southern Avionics Company reserves the right to refuse repair of any items that SAC
deems to be non-repairable to our factory standards. Pads lifted from circuit boards or burnt
circuit boards are examples of grounds for rejection.
Freight Costs: The Customer pays for freight costs to and from Southern Avionics Company.
SAC will not be responsible for any loss or damage of any items in transit either to or from SAC.
Expiration of Support: SAC supports all items manufactured by SAC for no less than ten (10)
years from date of original purchase. SAC will not repair any items that are older than ten (10)
years old. Any items sent to SAC for repair that are more than ten (10) years old will be returned
to the sender freight collect to the return address provided unless otherwise specified in writing
prior to the receipt of the returned item by SAC.
Serial Numbers: Southern Avionics Company will not repair any items that are not
accompanied by the Serial Numbers of the finished goods associated with the items.
Estimates: SAC will not provide any estimates of costs other than the costs outlined above.
Warranty: Repairs are guaranteed for 90 days after shipment. Warranty applies only to Repairs
made and does not cover subsequent equipment failures not associated with the previous
Repair.

Box 5345 • Beaumont • Texas • 77726-5345 • USA • Phone [phone] • Fax [phone] • Email [email protected]
www.southernavionics.com
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
SOUTHERN AVIONICS COMPANY
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Box 5345 • Beaumont • Texas • 77726-5345 • USA • Phone [phone] • Fax [phone] • Email [email protected]
www.southernavionics.com
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
SOUTHERN AVIONICS COMPANY
ELECTROMAGNETIC COMPATIBILITY (EMC)
This apparatus is intended for use in a professional environment by personnel fully conversant
with it’s use and application. It should not be operated in close proximity to domestic electrical
equipment.
This apparatus is to be operated and maintained by skilled staff in strict accordance with the
manufacturer’s instructions. The use of service spares not recommended by the manufacturer
may compromise the electromagnetic compatibility of the equipment.
tit is the responsibility of the user to ensure that any external cabling, test leads, and/or other
user supplied fixtures are designed, manufactured, and maintained in accordance with
engineering practices appropriate for their intended use.
In the event of any EMC related problems occurring during the use of this apparatus, please
contact the supplier who will endeavor to resolve any difficulties.

Box 5345 • Beaumont • Texas • 77726-5345 • USA • Phone [phone] • Fax [phone] • Email [email protected]
www.southernavionics.com
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
SOUTHERN AVIONICS COMPANY
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Box 5345 • Beaumont • Texas • 77726-5345 • USA • Phone [phone] • Fax [phone] • Email [email protected]
www.southernavionics.com
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
SOUTHERN AVIONICS COMPANY

Box 5345 • Beaumont • Texas • 77726-5345 • USA • Phone [phone] • Fax [phone] • Email [email protected]
www.southernavionics.com
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
SOUTHERN AVIONICS COMPANY
This page intentionally left blank.

Box 5345 • Beaumont • Texas • 77726-5345 • USA • Phone [phone] • Fax [phone] • Email [email protected]
www.southernavionics.com
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
SOUTHERN AVIONICS COMPANY
Safety Symbols Become familiar with the safety symbols presented in
this section. These symbols will alert you to safety
hazards and conditions that may result in personal
injury, death, or property and equipment damage.
WARNING: Electric shock hazard, high voltages capable of causing
personal injury or death.
WARNING: Red lightning flash: High reactive voltages present capable
of causing personal injury.
HIGH VOLTAGE
GENERAL WARNING: See Installation Manual before proceeding
CAUTION: Heat hazard – allow heated components to cool before
handling
Alternating Current
Direct Current
Protective Earth conductor or connection
ON (power switch)
OFF (power switch)

Box 5345 • Beaumont • Texas • 77726-5345 • USA • Phone [phone] • Fax [phone] • Email [email protected]
www.southernavionics.com
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
SOUTHERN AVIONICS COMPANY
This page intentionally left blank.

Box 5345 • Beaumont • Texas • 77726-5345 • USA • Phone [phone] • Fax [phone] • Email [email protected]
www.southernavionics.com
MANUFACTURERS OF LOW FREQUENCY RADIOBEACONS AND ASSOCIATED PRODUCTS
SOUTHERN AVIONICS COMPANY

SOUTHERN AVIONICS COMPANY
Model SA100 Dual viiContents
Contents
1 Introduction ............................................................................................................. 1-1
1.1 General Description: SA100 ............................................................................. 1-1
1.2 Specifications: SA100....................................................................................... 1-3
1.3 General Description: SA Radiobeacon Control System ................................... 1-7
1.4 Specifications: Automatic Transfer Unit SA Series........................................... 1-9
1.4.1 Local Radiobeacon Control...................................................................... 1-9
1.4.2 Remote Radiobeacon Control Panel........................................................ 1-9
1.4.3 Control Link Specifications..................................................................... 1-10
2 Theory of Operation, Radiobeacon ....................................................................... 2-1
2.1 Functional Description: SA100 ......................................................................... 2-1
2.2 Functional Description: Autotransfer System SA Series................................... 2-5
2.3 Detailed Circuit Analysis: SA100 ...................................................................... 2-7
2.3.1 Synthesizer PWB (KWOSYN) .................................................................. 2-7
2.3.2 RF Driver................................................................................................ 2-10
2.3.3 Tone Key................................................................................................ 2-11
2.3.4 Audio PWB (Optional) ............................................................................ 2-14
2.3.5 Modulator Driver..................................................................................... 2-17
2.3.6 Keyer...................................................................................................... 2-20
2.3.6.1 Keyer Code.................................................................................... 2-20
2.3.6.2 Coder Shift Register PWB ............................................................. 2-20
2.3.7 Modulator (DMOD)................................................................................. 2-26
2.3.8 Power Amplifier ...................................................................................... 2-29
2.3.9 Filter ....................................................................................................... 2-32
2.3.10 Monitor ................................................................................................. 2-36
2.3.11 DC Power Supply (Optional) ................................................................ 2-46
2.3.12 AC Power Supply (Optional) ................................................................ 2-53
2.4 Detailed Circuit Analysis: Automatic Transfer System SA Series................... 2-62
2.4.1 Local Radiobeacon Control System....................................................... 2-62
2.4.1.1 DC Auto Disconnect PWB ............................................................. 2-73
2.4.2 Radiobeacon Remote Control................................................................ 2-76
2.4.2.1 Serial Interface PWB...................................................................... 2-76
2.4.2.2 Modem PWB.................................................................................. 2-76
3 Antennas.................................................................................................................. 3-1
3.1 Mast Antenna.................................................................................................... 3-1

SOUTHERN AVIONICS COMPANY
Model SA100 Dualviii Contents
3.2 “H” Antenna ...................................................................................................... 3-2
3.3 50-Foot Guyed Mast Antenna........................................................................... 3-2
3.4 Symmetrical “T” Antenna.................................................................................. 3-2
4 Installation and Operation...................................................................................... 4-1
4.1 Transmitter Installation ..................................................................................... 4-1
4.2 Local Radiobeacon Control Unit....................................................................... 4-5
4.3 Remote Radiobeacon Control Panel ................................................................ 4-5
4.4 Load Center Battery Chargers (Optional) ......................................................... 4-7
4.4.1 Rack Mount Load Center/Battery Charger Theory of Operation .............. 4-7
4.4.1.1 Load Center/Battery Charger Installation......................................... 4-8
4.4.1.2 Alignment Procedure Rack Mount Version.................................... 4-13
4.4.1.3 Parts List........................................................................................ 4-14
4.4.2 Outdoors (Standalone) Load Center/Battery Charger Theory of Operation4-
17
4.4.2.1 Alignment Procedure Standalone Version ..................................... 4-23
4.4.2.2 Parts Lists ...................................................................................... 4-25
4.5 Initial Transmitter Setup.................................................................................. 4-27
4.6 Transmitter Check .......................................................................................... 4-28
4.7 Antenna Tuneup ............................................................................................. 4-28
4.8 Modulation Adjustment ................................................................................... 4-29
4.8.1 Code Tone Modulation Adjustment ........................................................ 4-30
4.8.2 Voice Modulation Adjustment................................................................. 4-30
4.8.3 VSWR..................................................................................................... 4-30
4.8.4 Monitor Adjustment-Voice System ......................................................... 4-31
4.8.5 Monitor Adjustment-Nonvoice System ................................................... 4-31
4.8.6 Automatice Shutdown Test .................................................................... 4-32
4.8.7 Dual System (Optional) .......................................................................... 4-32
5 Maintenance ............................................................................................................ 5-1
5.1 Alignment and Adjustment................................................................................ 5-1
5.1.1 Power Supply Check................................................................................ 5-1
5.1.2 Synthesizer Adjustment............................................................................ 5-1
5.1.3 Tone Key PWB......................................................................................... 5-2
5.1.4 Keyer........................................................................................................ 5-2
5.1.5 Filters........................................................................................................ 5-2
5.1.6 RF Section Check .................................................................................... 5-2

SOUTHERN AVIONICS COMPANY
Model SA100 Dual ixContents
5.1.7 Meter Adjustment ..................................................................................... 5-3
5.1.8 Audio PWB (Optional) .............................................................................. 5-3
5.1.9 Monitor Control PWB................................................................................ 5-4
5.1.10 DC Board................................................................................................ 5-5
5.1.11 DC Auto Disconnect PWB...................................................................... 5-5
5.1.12 Maintenance and Troubleshooting Radiobeacon Control ...................... 5-6
6 Parts List.................................................................................................................. 6-1
7 Modifications ........................................................................................................... 7-1
7.1 EMI Filter Module.............................................................................................. 7-1
7.2 Universal Serial Interface Adaptor ................................................................... 7-5

SOUTHERN AVIONICS COMPANY
PC 1000C/2xiv Figures
Figures
Figure 1-1. Transmitter Enclosure Dimensions............................................................. 1-4
Figure 1-2. Transmitter Portrait..................................................................................... 1-5
Figure 2-1. SA Dual Series Block Diagram................................................................... 2-3
Figure 2-2. Block Diagram ............................................................................................ 2-6
Figure 2-3. KWOYSN Schematic ................................................................................ 2-8
Figure 2-4. KWOSYN PWB Diagram............................................................................ 2-9
Figure 2-5. Tone Key Schematic ................................................................................ 2-12
Figure 2-6. Tone Key PWB Diagram .......................................................................... 2-13
Figure 2-7. Audio PWB Schematic ............................................................................. 2-15
Figure 2-8. Audio PWB Diagram................................................................................. 2-16
Figure 2-9. ACTRL Schematic.................................................................................... 2-18
Figure 2-10. ACTRL Diagram ..................................................................................... 2-19
Figure 2-11. Keyer Code Schematic........................................................................... 2-21
Figure 2-12. Keyer Code PWB Diagram..................................................................... 2-22
Figure 2-13. CRS Sample Program .......................................................................... 2-23
Figure 2-14. Coder Shift Register Schematic ............................................................. 2-24
Figure 2-15. Coder Shift Register PWB Diagram ....................................................... 2-25
Figure 2-16. DMOD Schematic................................................................................... 2-27
Figure 2-17. DMOD PWB Diagram............................................................................. 2-28
Figure 2-18. Power Amplifier Schematic..................................................................... 2-30
Figure 2-19. Power Amplifier PWB Diagram............................................................... 2-31
Figure 2-20. Filter Schematic...................................................................................... 2-33
Figure 2-21. Filter PWB Diagram................................................................................ 2-34
Figure 2-22. Filter PWB Jumper Detail ....................................................................... 2-35
Figure 2-23. HWRF PWB Schematic.......................................................................... 2-37
Figure 2-24. HWRF PWB Diagram ............................................................................. 2-38
Figure 2-25. AMTR1 PWB Diagram............................................................................ 2-39
Figure 2-26. AMTR Diagram....................................................................................... 2-40
Figure 2-27. Page 1 Monitor Schematic ..................................................................... 2-41
Figure 2-28. Page 2 Monitor Schematic .................................................................... 2-42
Figure 2-29. Monitor PWB Diagram............................................................................ 2-43
Figure 2-30. SA LED PWB Schematic........................................................................ 2-44
Figure 2-31. SA LED PWB Diagram........................................................................... 2-45
Figure 2-32. DC Power Supply PWB Schematic (Single Units).................................. 2-47

SOUTHERN AVIONICS COMPANY
Monitor Receiver xvFigures
Figure 2-33. DC Power Supply PWB Diagram (Single Units)..................................... 2-48
Figure 2-34. DC Power Supply PWB Schematic (Dual Units) .................................... 2-49
Figure 2-35. DC Power Supply PWB Diagram (Dual Units) ....................................... 2-50
Figure 2-36. DC Choke Schematic ............................................................................. 2-51
Figure 2-37. DCHOKE PWB Diagram ........................................................................ 2-52
Figure 2-38. AC Power Supply Schematic.................................................................. 2-54
Figure 2-39. AC Power Supply Diagram..................................................................... 2-55
Figure 2-40. SA Exciter Control Motherboard Schematic ........................................... 2-56
Figure 2-41. Series Exciter Control Motherboard Diagram......................................... 2-57
Figure 2-42. SA RF Motherboard Schematic.............................................................. 2-58
Figure 2-43. SA Series RF Motherboard Diagram...................................................... 2-59
Figure 2-44. SA Series Transmitter Overall Schematic .............................................. 2-60
Figure 2-45. Transmitter Diagram SA Series Rack Mount.......................................... 2-61
Figure 2-46. Local Control System Overall Schematic ............................................... 2-64
Figure 2-47. Local Radiobeacon Control Diagram...................................................... 2-65
Figure 2-48. SA Relay 24VDC PWB Schematic......................................................... 2-66
Figure 2-49. SA Relay 24VDC PWB Diagram ............................................................ 2-67
Figure 2-50. Local Control Motherboard Diagram ...................................................... 2-68
Figure 2-51. Page 1 Autotransfer Logic Schematic ................................................... 2-69
Figure 2-52. Page 2 Autotransfer Logic Schematic ................................................... 2-70
Figure 2-53. Autotransfer Logic PWB Diagram........................................................... 2-71
Figure 2-54. Local Transfer Indicator PWB Diagram.................................................. 2-72
Figure 2-55. DC Auto Disconnect ............................................................................... 2-74
Figure 2-56. DC Auto Disconnect Diagram................................................................. 2-75
Figure 2-57. Serial Interface PWB Schematic ............................................................ 2-78
Figure 2-58. Serial Interface PWB Assembly.............................................................. 2-79
Figure 2-59. Modem PWB Schematic......................................................................... 2-80
Figure 2-60. Modem PWB Assembly.......................................................................... 2-81
Figure 2-61. Remote Radiobeacon Control Panel Schematic .................................... 2-82
Figure 2-62. Remote Radiobeacon Control Panel Diagram ....................................... 2-83
Figure 2-63. Remote Transfer Indicator Assembly ..................................................... 2-84
Figure 2-64. Remote Control Motherboard Assembly ................................................ 2-85
Figure 3-1 Antenna Reactance..................................................................................... 3-3
Figure 4-1. Interconnecting Wire Diagram.................................................................... 4-2
Figure 4-2. Input/Output Terminal Blocks ..................................................................... 4-3
Figure 4-1. Load Center/Battery Charger 110V/220V Single Phase(R/M) Overall Sche-

SOUTHERN AVIONICS COMPANY
PC 1000C/2xvi Figures
matic ............................................................................................................................. 4-9
Figure 4-2. Load Center/Battery Charger 220V Two Phase (R/M) Overall Schematic4-10
Figure 4-3. Load Center/Battery Charger 110V or 220V (R/M) Diagram.................... 4-11
Figure 4-4. Load Center/Battery Charger 220V Two Phase (R/M) Diagram .............. 4-12
Figure 4-1. Load Center/Battery Charger 110VAC (Standalone) Overall Schematic . 4-21
Figure 4-2. Load Center/Battery Charger 110VAC or 220VAC (Standalone) DIA...... 4-22
Figure 5-1. Troubleshooting Flow Chart ....................................................................... 5-7
Figure 7-1. EMI Filter Module Schematic...................................................................... 7-2
Figure 7-2. EMI Filter Module Diagram......................................................................... 7-3

SOUTHERN AVIONICS COMPANY
Model SA100 DualxContents