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- OPERATOR'S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL E L E C T R O N I C VOLTMETERS ME-202A/U
- RADIATION HAZARD
- WARNING
- TABLE OF CONTENTS
- LIST OF ILLUSTRATIONS
- Figure 1-1. Electronic Voltmeter ME-202(*)/U.
- CHAPTER 1 INTRODUCTION
- Tabulated Data
- Table 1-2. Differential Dc Voltmeter Specifications*
- Table 1-6. Meter Resolution
- CHAPTER 2 SERVICE UPON RECEIPT OF EQUIPMENT AND INSTALLATION
- Figure 2-1. Electronic Voltmeter ME-202(*)/U, packaging diagram.
- Checking Unpacked Equipment
- Figure 2-2. Electronic Voltmeter ME-202(*)/U, rear panel.
- CHAPTER 3 OPERATING INSTRUCTIONS
- Figure 3-1. Electronic Voltmeter ME-202(*)/U, operating controls and indicators.
- Table 3-1. Operator's Controls
- Section Il. OPERATION UNDER USUAL CONDITIONS
- Table 3-2. Effect of Distortion When Measuring Ac Voltages
- Figure 3-2. Dc Vtum ranges.
- Figure 3-3. Ac utum ranges.
- Observation of Excursions of Voltage about a Nominal Value
- Measurement of High Resistance
- S e c t i o n Ill. OPERATION UNDER UNUSUAL CONDITIONS
- S e c t i o n 1. OPERATOR AND ORGANIZATIONAL TOOLS AND EQUIPMENT
- Table 4-1. Operator/Crew Preventive Maintenance Checks and Services
- Cleaning
- S e c t i o n IV. ORGANIZATIONAL MAINTENANCE OF ELECTRONIC V O L T M E T E R ME-202( * )/U
- S e c t i o n 1. BLOCK DIAGRAM ANALYSIS
- Description of Operating Modes
- FIGURE 5-2. DC MEASUREMENTS CIRCUIT, SIMPLIFIED SCHEMATIC DIAGRAM
- Dc Vtvm
- Dc Vtvm-CONT.
- FIGURE 5-3. DC ETVM, SIMPLIFIED SCHEMATIC DIAGRAM
- Reference Supply, O- to 500-Volt Dc
- Reference Voltage Range Divider
- FIGURE 5-5. REFERENCE VOLTAGE RANGE DIVIDER AND PRECISION VOLTAGE DIVIDER,SIMPLIFIED SCHEMATIC DIAGRAM
- Ac-to-Dc Converter
- Low Voltage Supply
- FIGURE 5-6. LOW VOLTAGE POWER SUPPLY, SIMPLIFIED SCHEMATIC DIAGRAM
- S e c t i o n 1. GENERAL
- S e c t i o n Ill. TROUBLESHOOTING
- Table 6-1. Troubleshooting
- Table 6-1. Troubleshooting-Continued
- Table 6-1. Troubleshooting-Continued
- Table 6-1. Troubleshooting-Continued
- FIGURE 6.2
- FIGURE 6-3.
- FIGURE 6-4 ELECTRONIC VOLTMETER, REAR SHOWING COMPONENT LOCATION
- FIGURE 6-5. ELECTRONIC VOLTMETER, FRONT PANEL, REAR VIEW, SHOWING COMPONENT LOCATION
- FIGURE 6-6, DC VTVM PRINTED CIRCUIT BOARD SHOWING COMPONENT LOCATION
- FIGURE 6-7 500-VOLT DC REFERENCE SUPPLY PRINTED CIRCUIT BOARD SHOWING COMPONENT LOCATION
- FIGURE 6-8. REFERENCE RANGE DIVIDER PRINTED CIRCUIT BOARD SHOWING COMPONENT LOCATION
- FIGURE 6-9, PRECISION VOLTAGE DIVIDER PRINTED CIRCUIT BOARD SHOWING COMPONENT LOCATION
- FIGURE 6-10. AC-TO-DC CONVERTER AND AC RANGE SWITCH ASSEMBLY,FRONT VIEW SHOWING COMPONENT LOCATION
- Figure 6-11. Ac-to-dc converter and ac range assembly, rear view, showing component location.
- Section {V. MAINTENANCE OF THE ELECTRONIC VOLTMETER ME-202(*)/U
- Replacement of Decimal Point Indicator Lamps
- APPENDIX A REFERENCES
- Section 1. INTRODUCTION
- Tool and Test Equipment Requirements
- SECTION II MAINTENANCE ALLOCATION CHART
- TABLE 1 TOOL AND TEST EQUIPMENT REQUIREMENTS
- INDEX
- Figure FO-1. Color code markings for MIL-STD resistors, capacitors indicators.
- Figure FO-2.AC measurements circuit, simplified schematic diagram.
- Figure FO-3. 500-volt dc reference supply, simplified schematic diagram.
- FO-4. AC-to-dc converter, simplified schematic diagram.
- FO-5. Tube and transistor socket voltage and resistance diagram.
- FO-6. Voltmeter, Electronic ME-202(*)/U schematic diagram.
- POSTAGE AND FEES DEPARTMENT OF THE ARMY
- Distribution
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- TM-11-6625-537-14-1
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