Fluke Power Supply 5720A Users Manual
5720A to the manual 79d08b52-b679-4929-8297-ad83d22edd9a
2015-02-02
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- 5700A/5720A Series II Service Manual
- 1. Introduction and Specifications
- Introduction
- Contacting Fluke
- About this Manual
- How to Use this Manual
- Additional Instruction Manuals
- Wideband AC Voltage Module (Option 5700A-03)
- Auxiliary Amplifiers
- Support Equipment and Services
- The Components of the 5700A/5720A Series II Calibrator
- Calibrating the 5700A/5720A Series II Calibrator
- Calibration Check
- Developing a Performance History
- Range Calibration
- DC Zeros Calibration
- Specifications
- DC Voltage Specifications
- AC Voltage Specifications
- Resistance Specifications
- DC Current Specifications
- AC Current Specifications
- Wideband AC Voltage (Option 5700-03) Specifications
- General Specifications
- 2. Theory of Operation
- Introduction
- Calibrator Overview
- Digital Section Overview
- Analog Section Overview
- Functional Description Presented by Output Function
- System Interconnect Detailed Circuit Description
- Digital Section Detailed Circuit Description
- Analog Section Detailed Circuit Description
- Filter/PA Supply (A18), Low-voltage Filter/Regulator Section
- Filter/PA Supply (A18), Power Amplifier Output Supply Section
- Regulator/Guard Crossing Assembly (A17)
- Switch Matrix Assembly (A8)
- Switch Matrix Digital Control
- Switch Matrix Operation: 11V DC and 22V DC Ranges
- Switch Matrix Operation: 2.2V AC and 22V AC Ranges
- Switch Matrix Operation: 220V AC and DC Ranges
- Switch Matrix Operation: 2.2V DC Range
- Calibration of the 2.2V Range
- Switch Matrix Operation: 220 mV DC Range
- Switch Matrix Operation: 220 mV AC Range
- Switch Matrix Operation: 2.2 mV and 22 mV AC Ranges
- Calibration of the mV Ranges
- Internal CAL Zero Amplifier
- Switch Matrix 5725A Amplifier Interface
- DAC Assembly (A11)
- Basic DAC Theory of Operation.
- DAC Assembly Digital Control
- DAC Assembly Reference Circuitry
- Duty-Cycle Control Circuit
- DAC Filter Circuit
- DAC Output Stage
- Sense Current Cancellation Circuit
- Linearity Control Circuit
- Negative Offset Circuit
- DAC Output Switching
- DAC Buffered Reference Sip
- Calibration Hardware
- ADC Amplifier
- ADC Input Selection
- ADC Circuit
- How the DAC is Used in Calibration
- DAC Assembly Calibration
- Oscillator Section Overview
- Oscillator Control Assembly (A12)
- Oscillator Output Assembly (A13)
- Power Amplifier Assembly (A16)
- High Voltage Assemblies (A14 and A15)
- Ohms Overview
- Ohms Main Assembly (A10)
- Ohms Cal Assembly (A9)
- Current/High Resolution Oscillator Assembly Overview (A7)
- Current Input Switching
- Complementary Drive Circuit
- Transconductance Amplifiers
- Shunt Resistors
- Feedback Loop
- Current Output Switching
- Generation of the 2.2A Range
- Current Guard Buffer
- Compliance Limiter
- Current/Compliance Voltage Monitor
- Current Assembly Calibration
- Reference Frequency Amp/Divider
- Phase-Locked Loop
- 5-500k Output Divider
- Hi-Res Output Switching
- Rear Panel Assembly (A21)
- Wideband AC Module (Option -03)
- Wideband Output Attenuators
- Wideband Output RMS Sensor and Amplitude Control Circuit
- Wideband Output Overload Control Circuit
- Wideband Output Digital Control
- Wideband Output Calibration
- 3. Calibration and Verification
- Introduction
- Accessing the Fuse
- Cleaning the Air Filter
- Cleaning the Exterior
- Calibration
- Calibrating the 5700A/5720A Series II to External Standards
- Range Calibration
- Calibrating the Wideband AC Module (Option 5700A-03)
- Performing a Calibration Check
- Full Verification
- Required Equipment for All Tests
- Warm-up Procedure for All Verification Tests
- Resistance Verification Test
- Two-Wire Compensation Verification
- DC Voltage Verification Test
- DC Voltage One-Tenth Scale Linearity Test
- Direct Current Accuracy Verification Test
- AC Voltage Frequency Accuracy Test
- Output Level Tests For AC V Ranges
- AC Current Test( 22 mA to 11A Ranges
- AC Current Test, 2 mA and 200 (A Ranges
- Rationale for Using Metal-Film Resistors to Measure AC Current
- Wideband Frequency Accuracy Test
- Wideband AC Voltage Module Output Verification
- Wideband Output Accuracy at 1 kHz Test
- Wideband Output Flatness Test
- Optional Tests
- Minimum Use Requirements
- Determining Test Limits for Other Calibration Intervals
- Static Awareness
- 4. Maintenance
- Introduction
- Cleaning the Air Filter
- General Cleaning
- Cleaning PCA's
- Access Procedures
- Top and Bottom Covers
- Digital Section Cover
- Analog Section Covers
- Rear Panel Removal and Installation
- Rear Panel Assembly Access
- Front Panel Removal and Installation
- Analog Assembly Removal and Installation
- Digital Assembly Removal and Installation
- Power Transformer Removal and Installation
- Hybrid Cover Removal
- Front/Rear Binding Post Reconfiguration
- Installing a Wideband AC Module (Option -03)
- Clearing Ghost Images from the Control Display
- Replacing the Clock/Calendar Backup Battery
- Using Remote Commands Reserved for Servicing
- 5. Troubleshooting
- Introduction
- Interpreting Diagnostic Fault Codes
- Component-level Troubleshooting
- Troubleshooting the Wideband Output Assembly (A5)
- Troubleshooting the Wideband Oscillator Assembly (A6)
- Troubleshooting the Current/Hi-Res Assembly (A7)
- Troubleshooting the Switch Matrix Assembly (A8)
- Troubleshooting the Ohms Cal Assembly (A9)
- Troubleshooting the Ohms Main Assembly (A10)
- Troubleshooting the DAC Assembly (A11)
- Troubleshooting the Oscillator Control Assembly (A12)
- Troubleshooting the Oscillator Output Assembly (A13)
- Troubleshooting the High Voltage Control Assembly (A14)
- Troubleshooting the High Voltage/High Current Assembly (A15)
- Troubleshooting the Power Amplifier Assembly (A16)
- Troubleshooting the Filter/PA Supply Assembly (A18)
- 6. List of Replaceable Parts
- 7. Schematic Diagrams