Figure 1-1. Signal Generator SG-13/ARN
Section I DESCRIPTION AND LEADING PARTICULARS
Figure 1-2. Signal Generator SG-13/ARN, Carrying Case Cover Showing Accessories
POWER SUPPLY - TM-11-55560009
OPERATING CONTROLS AND ADJUSTMENTS
Section II SPECIAL TEST EQUIPMENT AND TOOLS
TABLE IV. TEST EQUIPMENT (SPECIFIC TYPES) (Cont)
TABLE VI. SPECIAL TOOLS
Section IV THEORY OF OPERATION
Figure 4-2. Signal Generator SG-13/ ARN, R-f and Univerter Chassis, Block Diagram
FINE FREQUENCY OSCILLATOR V1501
Figure 4-4. Coarse Frequency Oscillator V1502, Simplified Schematic
Figure 4-5. R-f Mixer V1503, Simplified Schematic
Figure 4 - 7 R-f Quadrupler V1505, Simplified Schematic
Figure 4-9. R-f Attenuator Assembly
Figure 4-10. A-f Amplifier V1507 and Cathode Follower V1508, Simplified Schematic
UNIVERTER MIXER V1511
Figure 4-14. Univerter Amplifier V1512 and V1513, Simplfied Schematic
AUDIO CHASSIS
Figure 4-15. Signal Generator SG-13/ARN, Audio Chassis , Block Diagram
Figure 4-16. 9960 and 1000 CPS Oscillator V1406
Figure 4-17. AFC Amplifier V1408A and Discriminator V1409, Simplified Schematic
Figure 4-18. 30 CPS Oscillator V1401B, V1401B and B, Simplified Schematic
30 CPS AMPLIFIER V1403
Figure 4-20. Variable Phase Shifting Network, Simplified Schematic
Figure 4-21. Variable Phase Shifting Network for Different Settings of VOR Switch
REVERSIBLE PHASE SHIFTING NETWORK.
Figure 4-23. 9C CPS and 150 CPS Circuits, Simplified Schematic
Figure 4-24. Audio Output Circuit, Simplified Schematic
AUDIO OUTPUT CIRCUIT
POWER SUPPLY - TM-11-55560036
Figure 4-27. Power Input and Dynamotor Circuit, Simplified Schematic
Figure 4-29. R-f Chassis Filament Circuit, Simplified Schematic
FILAMENT CIRCUITS
Section V OPERATIONAL AND ORGANIZATIONAL MAINTENANCE
TONE LOCALIZER CENTERING ACCURACY CHECK
GLIDE SLOPE CENTERING ACCURACY CHECK
TABLE VII MINIMUM PERFORMANCE STANDARDS
MINOR REPAIR AND ADJUSTMENT
SECTION VI FIELD AND FASRON MAINTENANCE
OSCILLATOR CHECK
CIRCUIT ISOLATION
VACUUM TUBE CHECK
TABLE XII. TYPICAL A-C VOLTAGE MEASUREMENTS (Cont)
REMOVAL AND REPLACEMENT OF PARTS
Figure 6-5. Signal Generator SG-13/ARN, Bottom View
Figure 6-6. Signal Generator SG-13/ARN, Top View
Figure 6-8. Test Setup, Coarse Frequency Oscillator Switch Adjustment
REMOVAL OF R-F OUTPUT TANK, Z1502
REPLACEMENT OF TUNING SLUGS
CLEANING DYNAMOTOR BALL BEARINGS
Figure 6-11. Signal Generator SG-13/ARN, Bottom Chassis Aligmnent Points
Figure 6-12. Signal Generator SG-13/ARN, Top Chassie Alignment Points
R-F ATTENUATOR ALIGNMENT
UNIVERTER CHASSIS ALIGNMENT
Figure 6-14. Potentiometer Panel Assembly, Rear View
9960 FM DEVIATION RATIO - TM-11-55560062
VOR TRACKING ADJUSTMENT
SECTION VII DIAGRAMS
Figure 7-1. Siganl Generator SG-13/ARN, Audio Chassis, Shematic Diagram
Figure 7-2. Signal Generator SG-13/ARN, R-F Chassis and Univerter, Schematic Diagram
Figure 7-3. Signal Generator SG-13/ARN, D-C Voltage Measurements
Figure 7-4. Signal Generator SG-13/ARN, Resisteance Measurements
Part Two OPERATION, SERVICE, AND OVERHAUL INSTRUCTIONS
Figure 1-1. Signal Generator SG-13/ARN, Equipment Supplied
Section I GENERAL DESCRIPTION
LEADING PARTICULARS
TUBE COMPLEMENT BY FUNCTION
Section II OPERATION PROCEDURES
CONNECTIONS - TM-11-55560079
Figure 2-2 Connections for Checking Operation of Glide Slope Receivers and Their Antenna Systems
OPERATING PROCEDURES
TESTING GLIDE SLOPE RECEIVERS
Figure 2-6. Direct Receiver Test Connections
Figure 3-1. Signale Generator SG-13/ARN, Functional Block Diagaram
Section III THEORY OF OPERATION
9960 FM OSCILLATOR
GLIDE SLOPE CIRCUIT
30 CPS VARIABLE PHASE SHIFTER
POWER SUPPLY - TM-11-55560089
OUTPUT MIXING AND SWITCHING
CRYSTAL SELECTOR TUNING
SECTION IV PERIODIC INSPECTION AND MINOR REPLACEMENT AND REPAIR
TONE LOCALIZER CENTERING ACCURACY CHECKS
REPLACEMENT OF FUSES
SECTION V SPECIAL EQUIPMENT AND TOOLS
SPECIAL TOOLS
SECTION VI TROUBLE SHOOTING AND CORRECTION
R-F CIRCUIT TROUBLE SHOOTING
AUDIO SECTION TROUBLESHOOTING
Figure 6-3. Wave form at AUDIO OUT connector with AUDIO SELECTOR on 9960 FM
Minimum Performance Standards
Dynamotor Troubleshooting
Figure 7-1. Signal Generator SG-13/ARN, Bottom View
Figure 7-2. Signal Generator SGq-13/ARN, Top View
Figure 7-3. Coarse Frequency Oscillator Shaft Adapter and Switch Rotor Positions
Figure 7-5. Test Connection - Coarse Frequncy Oscillator Switch Adjustment
Reassembly of Fine Frequncy Oscillator
Removal and Replacement of R-F Tank Assemblies
Dynamotor Brush Servicing
Alignment, Calibration, and Tests
FIgure 8-1. Signal Generator SG-13/ARN, Bottom Chassis Alignment Points
R-F ATTENUATOR ALIGNMENT.
Figure 8-3. R-f Output Coupling Assembly
AUDIO SECTION ALIGNMENT
MODULATION PERCENTAGE
Figure 8-4. Potentiometer Panel Assembly
9960 FM Deviation Ratio - TM-11-55560118
Figure 8-5. Test Setup - NAV Operation Check, Part 1
Figure 8-5. - NAV Operation Check, Part 2
Figure 8-6. Test Setup - GS Oaperation Check, Part 1
Figure 8-6. Test Setup - GS Operation Check, Part 2
Table of Typical AC Voltage Measurement
Diagrams
Figure 9-1. Signal Generator SG-13/ARN, Schematic Diagram, Part 1, Audio Selection
Figure 9-1. Signal Generator SG-13/ARN, Schematic Diagram, Part 2, R-F Section
Figure 9-2. Signal Generator SG-13/ARN, Audio Section and Front Panel Practical Wirining Diagram
Figure 9-3. Signal Generator SG-13/ARN, R-F Section Practical Wiring Diagram
Figure 9-4. Signal Generator SG-13/ARN, Fine Frequency Oscillator
Figure 9-4. Signal Generator SG-13/ARN, Coarse Frequency Oscillator
Figure 9-6. Signal Generator SG-13/ARN, Univerter Practical Wiring Diagram
Figure 9-8. Signal Generator SG-13/ARN, Resistance Measurement Diagram
TM-11-5556 Signal Generator SG-13/ARN Manual
Section I DESCRIPTION AND LEADING PARTICULARS
Figure 1-2. Signal Generator SG-13/ARN, Carrying Case Cover Showing Accessories
POWER SUPPLY - TM-11-55560009
OPERATING CONTROLS AND ADJUSTMENTS
Section II SPECIAL TEST EQUIPMENT AND TOOLS
TABLE IV. TEST EQUIPMENT (SPECIFIC TYPES) (Cont)
TABLE VI. SPECIAL TOOLS
Section IV THEORY OF OPERATION
Figure 4-2. Signal Generator SG-13/ ARN, R-f and Univerter Chassis, Block Diagram
FINE FREQUENCY OSCILLATOR V1501
Figure 4-4. Coarse Frequency Oscillator V1502, Simplified Schematic
Figure 4-5. R-f Mixer V1503, Simplified Schematic
Figure 4 - 7 R-f Quadrupler V1505, Simplified Schematic
Figure 4-9. R-f Attenuator Assembly
Figure 4-10. A-f Amplifier V1507 and Cathode Follower V1508, Simplified Schematic
UNIVERTER MIXER V1511
Figure 4-14. Univerter Amplifier V1512 and V1513, Simplfied Schematic
AUDIO CHASSIS
Figure 4-15. Signal Generator SG-13/ARN, Audio Chassis , Block Diagram
Figure 4-16. 9960 and 1000 CPS Oscillator V1406
Figure 4-17. AFC Amplifier V1408A and Discriminator V1409, Simplified Schematic
Figure 4-18. 30 CPS Oscillator V1401B, V1401B and B, Simplified Schematic
30 CPS AMPLIFIER V1403
Figure 4-20. Variable Phase Shifting Network, Simplified Schematic
Figure 4-21. Variable Phase Shifting Network for Different Settings of VOR Switch
REVERSIBLE PHASE SHIFTING NETWORK.
Figure 4-23. 9C CPS and 150 CPS Circuits, Simplified Schematic
Figure 4-24. Audio Output Circuit, Simplified Schematic
AUDIO OUTPUT CIRCUIT
POWER SUPPLY - TM-11-55560036
Figure 4-27. Power Input and Dynamotor Circuit, Simplified Schematic
Figure 4-29. R-f Chassis Filament Circuit, Simplified Schematic
FILAMENT CIRCUITS
Section V OPERATIONAL AND ORGANIZATIONAL MAINTENANCE
TONE LOCALIZER CENTERING ACCURACY CHECK
GLIDE SLOPE CENTERING ACCURACY CHECK
TABLE VII MINIMUM PERFORMANCE STANDARDS
MINOR REPAIR AND ADJUSTMENT
SECTION VI FIELD AND FASRON MAINTENANCE
OSCILLATOR CHECK
CIRCUIT ISOLATION
VACUUM TUBE CHECK
TABLE XII. TYPICAL A-C VOLTAGE MEASUREMENTS (Cont)
REMOVAL AND REPLACEMENT OF PARTS
Figure 6-5. Signal Generator SG-13/ARN, Bottom View
Figure 6-6. Signal Generator SG-13/ARN, Top View
Figure 6-8. Test Setup, Coarse Frequency Oscillator Switch Adjustment
REMOVAL OF R-F OUTPUT TANK, Z1502
REPLACEMENT OF TUNING SLUGS
CLEANING DYNAMOTOR BALL BEARINGS
Figure 6-11. Signal Generator SG-13/ARN, Bottom Chassis Aligmnent Points
Figure 6-12. Signal Generator SG-13/ARN, Top Chassie Alignment Points
R-F ATTENUATOR ALIGNMENT
UNIVERTER CHASSIS ALIGNMENT
Figure 6-14. Potentiometer Panel Assembly, Rear View
9960 FM DEVIATION RATIO - TM-11-55560062
VOR TRACKING ADJUSTMENT
SECTION VII DIAGRAMS
Figure 7-1. Siganl Generator SG-13/ARN, Audio Chassis, Shematic Diagram
Figure 7-2. Signal Generator SG-13/ARN, R-F Chassis and Univerter, Schematic Diagram
Figure 7-3. Signal Generator SG-13/ARN, D-C Voltage Measurements
Figure 7-4. Signal Generator SG-13/ARN, Resisteance Measurements
Part Two OPERATION, SERVICE, AND OVERHAUL INSTRUCTIONS
Figure 1-1. Signal Generator SG-13/ARN, Equipment Supplied
Section I GENERAL DESCRIPTION
LEADING PARTICULARS
TUBE COMPLEMENT BY FUNCTION
Section II OPERATION PROCEDURES
CONNECTIONS - TM-11-55560079
Figure 2-2 Connections for Checking Operation of Glide Slope Receivers and Their Antenna Systems
OPERATING PROCEDURES
TESTING GLIDE SLOPE RECEIVERS
Figure 2-6. Direct Receiver Test Connections
Figure 3-1. Signale Generator SG-13/ARN, Functional Block Diagaram
Section III THEORY OF OPERATION
9960 FM OSCILLATOR
GLIDE SLOPE CIRCUIT
30 CPS VARIABLE PHASE SHIFTER
POWER SUPPLY - TM-11-55560089
OUTPUT MIXING AND SWITCHING
CRYSTAL SELECTOR TUNING
SECTION IV PERIODIC INSPECTION AND MINOR REPLACEMENT AND REPAIR
TONE LOCALIZER CENTERING ACCURACY CHECKS
REPLACEMENT OF FUSES
SECTION V SPECIAL EQUIPMENT AND TOOLS
SPECIAL TOOLS
SECTION VI TROUBLE SHOOTING AND CORRECTION
R-F CIRCUIT TROUBLE SHOOTING
AUDIO SECTION TROUBLESHOOTING
Figure 6-3. Wave form at AUDIO OUT connector with AUDIO SELECTOR on 9960 FM
Minimum Performance Standards
Dynamotor Troubleshooting
Figure 7-1. Signal Generator SG-13/ARN, Bottom View
Figure 7-2. Signal Generator SGq-13/ARN, Top View
Figure 7-3. Coarse Frequency Oscillator Shaft Adapter and Switch Rotor Positions
Figure 7-5. Test Connection - Coarse Frequncy Oscillator Switch Adjustment
Reassembly of Fine Frequncy Oscillator
Removal and Replacement of R-F Tank Assemblies
Dynamotor Brush Servicing
Alignment, Calibration, and Tests
FIgure 8-1. Signal Generator SG-13/ARN, Bottom Chassis Alignment Points
R-F ATTENUATOR ALIGNMENT.
Figure 8-3. R-f Output Coupling Assembly
AUDIO SECTION ALIGNMENT
MODULATION PERCENTAGE
Figure 8-4. Potentiometer Panel Assembly
9960 FM Deviation Ratio - TM-11-55560118
Figure 8-5. Test Setup - NAV Operation Check, Part 1
Figure 8-5. - NAV Operation Check, Part 2
Figure 8-6. Test Setup - GS Oaperation Check, Part 1
Figure 8-6. Test Setup - GS Operation Check, Part 2
Table of Typical AC Voltage Measurement
Diagrams
Figure 9-1. Signal Generator SG-13/ARN, Schematic Diagram, Part 1, Audio Selection
Figure 9-1. Signal Generator SG-13/ARN, Schematic Diagram, Part 2, R-F Section
Figure 9-2. Signal Generator SG-13/ARN, Audio Section and Front Panel Practical Wirining Diagram
Figure 9-3. Signal Generator SG-13/ARN, R-F Section Practical Wiring Diagram
Figure 9-4. Signal Generator SG-13/ARN, Fine Frequency Oscillator
Figure 9-4. Signal Generator SG-13/ARN, Coarse Frequency Oscillator
Figure 9-6. Signal Generator SG-13/ARN, Univerter Practical Wiring Diagram
Figure 9-8. Signal Generator SG-13/ARN, Resistance Measurement Diagram
TM-11-5556 Signal Generator SG-13/ARN Manual
