Figure 1-1. Digital Voltmeter AN/GSM-64B.
CHAPTER 1. INTRODUCTION - TM-11-6625-444-14-10015
Description - TM-11-6625-444-14-10016
Figure 1-2. Front panel.
CHAPTER 2. OPERATING INSTRUCTIONS - TM-11-6625-444-14-10019
Section II. INSTALLATION INSTRUCTIONS - TM-11-6625-444-14-10020
Figure 2-2. Rack installation.
Bench-Top Use
CHAPTER 3. OPERATING INSTRUCTIONS - TM-11-6625-444-14-10023
Operator Controls
Table 3-1. Controls and Indicators-continued
Figure 3-2. Controls, connectors, and indicators (front panel).
Section II. OPERATION UNDER USUAL CONDITIONS - TM-11-6625-444-14-10027
Dc Ratio Measurement
Section III. PREPARATION FOR MOVEMENT - TM-11-6625-444-14-10029
CHAPTER 4. OPERATOR AND ORGANIZATIONAL MAINTENANCE - TM-11-6625-444-14-10031
Table 4-2. Operator's Preventive Maintenance Checks and Services
Section IV. MAINTENANCE OF VOLTMETER
CHAPTER 5. FUNCTIONING OF EQUIPMENT - TM-11-6625-444-14-10035
Ratio Mode
Figure 5-1. Voltmeter block diagram
Section II. CIRCUIT DESCRIPTION
Active Filter
A/ D Converter and Logic-continued
Figure 5-4. A/D converter block diagram
Table 5-1. Sample and Hold Switching
Table 5-2. Shift Register Outputs
Figure 5-5. Timing and synchrony diagram (sheet 1 of 3).
Figure 5-5. Timing and synchrony diagram (sheet 2 of 3).
Display
Figure 5-6. Basic sample command oscillator.
Range Delay
Power Supply.
Ratio Input
Figure 5-7. Decimal logic truth tables.
Figure 5-8. Decimal logic (A18), schematic diagram
Miscellaneous Circuitry
CHAPTER 6. GENERAL SUPPORT MAINTENANCE - TM-11-6625-444-14-10055
Table 6-3. Ratio Input (A3) Voltage Measurements
Table 6-5. Active Filter (A10) Voltage Measurements
Figure 6-1. Assembly and troubleshooting test point locations.
Figure 6-2. Alignment adjustment and test point locations.
Figure 6-3. Buffer (A11) component parts
Figure 6-4. Active filter (A10) component parts.
Figure 6-5. A-to-D converter (A9) component parts.
Figure 6-6. Logic (A8 ) component parts.
Figure 6-7. Display (A14 ) component parts.
Figure 6-8. Range delay (A2 ) component parts.
Figure 6-9. Power supply (A1) component parts.
Figure 6-10. Ratio input (A3) component parts.
Figure 6-11. Decimal logic (A18) component parts.
Section II. TOOLS, TEST EQUIPMENT AND TROUBLESHOOTING
Table 6-8. Power Supply (A1) Checks
Figure 6-14. A-to-D converter and logic troubleshooting.
Figure 6-15 Display Troubleshooting
Figure 6-16. A-to-D converter waveforms
Figure 6-19. 6-State shift register waveforms.
Figure 6-21. A9TP2 6.3524 V input.
Analog Section Troubleshooting
Section III. MAINTENANCE OF THE VOLTMETER
Figure 6-23. Disassembly sequence (A through M).
Repair and Replacement - TM-11-6625-444-14-10079
Assembly - TM-11-6625-444-14-10080
Section IV. TESTING PROCEDURES
Alignment
Figure 6-26. Alignment equipment connections.
Table 6-12. Ladder Alignment
Table 6-14. Buffer DC Alignment
Ratio Alignment-continued
CHAPTER 7. MATERIAL USED IN CONJUNCTION WITH AN/GSM-64B
Section II. OPERATION OF PL-1370 / GSM-64B
SECTION III. FUNCTIONING OF PL-1370 / GSM-64B
Figure 7-2. Ac converter, block diagrams
Circuit Description
Section IV. TROUBLESHOOTING AND REPAIR OF PL-1370 / GSM-64B
Figure 7-3. Plug-in, Electronic Test Equipment PL1370/GSM-64B, test point locations.
Table 7-2. Voltage Measurements
General Support Testing
APPENDIX A. REFERENCES - TM-11-6625-444-14-10097
APPENDIX B. OPERATOR'S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST
Special Information - TM-11-6625-444-14-10100
How to Locate Repair Parts-continued - TM-11-6625-444-14-10101
SECTION II. BASIC ISSUE ITEMS LIST - TM-11-6625-444-14-10103
SECTION III. ITEMS TROOP INSTALLED OR AUTHORIZED LIST
SECTION IV. REPAIR PARTS LISTS
GROUP: 0103 RANGE SUPPLY ASSEMBLY
GROUP: 0104 RATIO INPUT ASSEMBLY
GROUP: 0105 LOGIC PCB
GROUP: 0106 A-D CONVERTER ASSEMBLY
GROUP: 0106 A-D CONVERTER ASSEMBLY-continued
GROUP: 0107 ACTIVE FILTER ASSEMBLY
GROUP: 0108 BUFFER ASSEMBLY
GROUP: 0109 FINAL ASSEMBLY
GROUP: 0110 FRONT PANEL ASSEMBLY
GROUP 0112 DISPLAY ASSEMBLY
GROUP 0112 DISPLAY ASSEMBLY-continued
GROUP: 0113 DECIMAL LOGIC ASSEMBLY
GROUP: 011 PLUG-IN ELECTRONIC TEST EQUIPMENT PL-1370/GSM64
GROUP: 011 PLUG-IN ELECTRONIC TEST EQUIPMENT PL-1370/GSM64-continued - TM-11-6625-444-14-10120
GROUP: 011 PLUG-IN ELECTRONIC TEST EQUIPMENT PL-1370/GSM64-continued - TM-11-6625-444-14-10121
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10124
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10125
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10126
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10127
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10128
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10129
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10130
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10131
Figure 1. Extender card.
Figure 2. Digital Voltmeter AN/GSM-64B.
Figure 3. Power assembly.
Figure 4. Range delay assembly
Figure 5. Ratio input assembly.
Figure 6. Logic assembly.
Figure 7. A-to-D converter assembly.
Figure 8. Active filter assembly.
Figure 9. Buffer amplifier assembly
Figure 10. Chassis assembly
Figure 11. Front panel assembly.
Figure 12. Rear assembly.
Figure 13. Display assembly
Figure 14. Decimal logic assembly
B-15. Ac converter assembly
APPENDIX C. MAINTENANCE ALLOCATION - TM-11-6625-444-14-10149
Tool and Test Equipment Requirements - TM-11-6625-444-14-10150
SECTION II. MAINTENANCE ALLOCATION CHART - TM-11-6625-444-14-10151
TABLE I. TOOL AND TEST EQUIPMENT REQUIREMENTS - TM-11-6625-444-14-10152
Figure FO-1. Color code marking for MIL STD resistors, inductors, and capacitors
Figure FO-2. Buffer (AH) schematic diagram
Figure FO-3. Active plter (A10) schematic diagram
Figure FO-4. A-to-D converter (A9) schematic diagram
Figure FO-5. Logic (A-8) schematic diagram
Figure FO-6. Display (A14) diagram (Sheet 1 of 2)
Figure FO-6. Display (A14) diagram (Sheet 2 of 2)
Figure FO-7. Range delay (A2) schematic diagram
Figure FO-8. Power supply (A1) schematic diagram
Figure FO-9. Ratio input (A3) schematic diagram
Figure FO-10. Interconnect diagram
Figure FO-11. Wiring diagram
Figure FO-12. Ac converter, schematic diagram
TM-11-6625-444-14-1 Voltmeter Digital AN/GSM-64B (NSN 6625-00-022-7894) (EIC: KPF) Plug-In Electronic Test Equipment PL-1370/GSM-64B Manual
CHAPTER 1. INTRODUCTION - TM-11-6625-444-14-10015
Description - TM-11-6625-444-14-10016
Figure 1-2. Front panel.
CHAPTER 2. OPERATING INSTRUCTIONS - TM-11-6625-444-14-10019
Section II. INSTALLATION INSTRUCTIONS - TM-11-6625-444-14-10020
Figure 2-2. Rack installation.
Bench-Top Use
CHAPTER 3. OPERATING INSTRUCTIONS - TM-11-6625-444-14-10023
Operator Controls
Table 3-1. Controls and Indicators-continued
Figure 3-2. Controls, connectors, and indicators (front panel).
Section II. OPERATION UNDER USUAL CONDITIONS - TM-11-6625-444-14-10027
Dc Ratio Measurement
Section III. PREPARATION FOR MOVEMENT - TM-11-6625-444-14-10029
CHAPTER 4. OPERATOR AND ORGANIZATIONAL MAINTENANCE - TM-11-6625-444-14-10031
Table 4-2. Operator's Preventive Maintenance Checks and Services
Section IV. MAINTENANCE OF VOLTMETER
CHAPTER 5. FUNCTIONING OF EQUIPMENT - TM-11-6625-444-14-10035
Ratio Mode
Figure 5-1. Voltmeter block diagram
Section II. CIRCUIT DESCRIPTION
Active Filter
A/ D Converter and Logic-continued
Figure 5-4. A/D converter block diagram
Table 5-1. Sample and Hold Switching
Table 5-2. Shift Register Outputs
Figure 5-5. Timing and synchrony diagram (sheet 1 of 3).
Figure 5-5. Timing and synchrony diagram (sheet 2 of 3).
Display
Figure 5-6. Basic sample command oscillator.
Range Delay
Power Supply.
Ratio Input
Figure 5-7. Decimal logic truth tables.
Figure 5-8. Decimal logic (A18), schematic diagram
Miscellaneous Circuitry
CHAPTER 6. GENERAL SUPPORT MAINTENANCE - TM-11-6625-444-14-10055
Table 6-3. Ratio Input (A3) Voltage Measurements
Table 6-5. Active Filter (A10) Voltage Measurements
Figure 6-1. Assembly and troubleshooting test point locations.
Figure 6-2. Alignment adjustment and test point locations.
Figure 6-3. Buffer (A11) component parts
Figure 6-4. Active filter (A10) component parts.
Figure 6-5. A-to-D converter (A9) component parts.
Figure 6-6. Logic (A8 ) component parts.
Figure 6-7. Display (A14 ) component parts.
Figure 6-8. Range delay (A2 ) component parts.
Figure 6-9. Power supply (A1) component parts.
Figure 6-10. Ratio input (A3) component parts.
Figure 6-11. Decimal logic (A18) component parts.
Section II. TOOLS, TEST EQUIPMENT AND TROUBLESHOOTING
Table 6-8. Power Supply (A1) Checks
Figure 6-14. A-to-D converter and logic troubleshooting.
Figure 6-15 Display Troubleshooting
Figure 6-16. A-to-D converter waveforms
Figure 6-19. 6-State shift register waveforms.
Figure 6-21. A9TP2 6.3524 V input.
Analog Section Troubleshooting
Section III. MAINTENANCE OF THE VOLTMETER
Figure 6-23. Disassembly sequence (A through M).
Repair and Replacement - TM-11-6625-444-14-10079
Assembly - TM-11-6625-444-14-10080
Section IV. TESTING PROCEDURES
Alignment
Figure 6-26. Alignment equipment connections.
Table 6-12. Ladder Alignment
Table 6-14. Buffer DC Alignment
Ratio Alignment-continued
CHAPTER 7. MATERIAL USED IN CONJUNCTION WITH AN/GSM-64B
Section II. OPERATION OF PL-1370 / GSM-64B
SECTION III. FUNCTIONING OF PL-1370 / GSM-64B
Figure 7-2. Ac converter, block diagrams
Circuit Description
Section IV. TROUBLESHOOTING AND REPAIR OF PL-1370 / GSM-64B
Figure 7-3. Plug-in, Electronic Test Equipment PL1370/GSM-64B, test point locations.
Table 7-2. Voltage Measurements
General Support Testing
APPENDIX A. REFERENCES - TM-11-6625-444-14-10097
APPENDIX B. OPERATOR'S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST
Special Information - TM-11-6625-444-14-10100
How to Locate Repair Parts-continued - TM-11-6625-444-14-10101
SECTION II. BASIC ISSUE ITEMS LIST - TM-11-6625-444-14-10103
SECTION III. ITEMS TROOP INSTALLED OR AUTHORIZED LIST
SECTION IV. REPAIR PARTS LISTS
GROUP: 0103 RANGE SUPPLY ASSEMBLY
GROUP: 0104 RATIO INPUT ASSEMBLY
GROUP: 0105 LOGIC PCB
GROUP: 0106 A-D CONVERTER ASSEMBLY
GROUP: 0106 A-D CONVERTER ASSEMBLY-continued
GROUP: 0107 ACTIVE FILTER ASSEMBLY
GROUP: 0108 BUFFER ASSEMBLY
GROUP: 0109 FINAL ASSEMBLY
GROUP: 0110 FRONT PANEL ASSEMBLY
GROUP 0112 DISPLAY ASSEMBLY
GROUP 0112 DISPLAY ASSEMBLY-continued
GROUP: 0113 DECIMAL LOGIC ASSEMBLY
GROUP: 011 PLUG-IN ELECTRONIC TEST EQUIPMENT PL-1370/GSM64
GROUP: 011 PLUG-IN ELECTRONIC TEST EQUIPMENT PL-1370/GSM64-continued - TM-11-6625-444-14-10120
GROUP: 011 PLUG-IN ELECTRONIC TEST EQUIPMENT PL-1370/GSM64-continued - TM-11-6625-444-14-10121
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10124
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10125
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10126
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10127
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10128
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10129
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10130
SECTION VI. NATIONAL STOCK NUMBER AND PART NUMBER INDEX-continued - TM-11-6625-444-14-10131
Figure 1. Extender card.
Figure 2. Digital Voltmeter AN/GSM-64B.
Figure 3. Power assembly.
Figure 4. Range delay assembly
Figure 5. Ratio input assembly.
Figure 6. Logic assembly.
Figure 7. A-to-D converter assembly.
Figure 8. Active filter assembly.
Figure 9. Buffer amplifier assembly
Figure 10. Chassis assembly
Figure 11. Front panel assembly.
Figure 12. Rear assembly.
Figure 13. Display assembly
Figure 14. Decimal logic assembly
B-15. Ac converter assembly
APPENDIX C. MAINTENANCE ALLOCATION - TM-11-6625-444-14-10149
Tool and Test Equipment Requirements - TM-11-6625-444-14-10150
SECTION II. MAINTENANCE ALLOCATION CHART - TM-11-6625-444-14-10151
TABLE I. TOOL AND TEST EQUIPMENT REQUIREMENTS - TM-11-6625-444-14-10152
Figure FO-1. Color code marking for MIL STD resistors, inductors, and capacitors
Figure FO-2. Buffer (AH) schematic diagram
Figure FO-3. Active plter (A10) schematic diagram
Figure FO-4. A-to-D converter (A9) schematic diagram
Figure FO-5. Logic (A-8) schematic diagram
Figure FO-6. Display (A14) diagram (Sheet 1 of 2)
Figure FO-6. Display (A14) diagram (Sheet 2 of 2)
Figure FO-7. Range delay (A2) schematic diagram
Figure FO-8. Power supply (A1) schematic diagram
Figure FO-9. Ratio input (A3) schematic diagram
Figure FO-10. Interconnect diagram
Figure FO-11. Wiring diagram
Figure FO-12. Ac converter, schematic diagram
TM-11-6625-444-14-1 Voltmeter Digital AN/GSM-64B (NSN 6625-00-022-7894) (EIC: KPF) Plug-In Electronic Test Equipment PL-1370/GSM-64B Manual
