Справочник ПользователяСодержаниеIntroduction7Scope7Organization7Instrument Identification7Related Documents8Manual Revisions8Firmware Revisions8Safety Considerations9Conventions9Electrostatic Discharge9Verification10Introduction10Tests10Test Equipment Required10List of Equipment10CurrentMonitoring Resistor10Electronic Load11Programming The Tests12General Considerations12General Measurement Techniques12Performance Test Record Sheets12Operation Verification Tests13Performance Tests13Constant Voltage (CV) Tests13Constant Current (CC) Tests18Averaging the CC Measurements23Troubleshooting30Introduction30Localizing the Problem30Chapter Organization30Test Equipment Required31Troubleshooting Procedures31PowerOn Selftest31Troubleshooting Charts33Troubleshooting Test Points33Bias and Reference Supplies33CV/CC Status Annunciators Troubleshooting52A3 FET Board Troubleshooting52Signature Analysis55Introduction55Firmware Revisions55Test Headers56PostRepair Calibration61When Required61Inhibit Calibration Jumper61Calibration Password61Restoring Factory Calibration Constants61EEPROM Initialization62Transferring Calibration Constants To Factory Preset Locations62Disassembly Procedures67Tools Required67Top Cover68Removing Protective RFI Shield (Galvanized Sheet Metal)68GPIB Board68A4 AC Input Assembly69A5 DC RAIL Assembly69A6 BIAS Assembly69A3 FET Board69A10 Control Assembly70Front Panel Assembly70S1 Line Switch70A1 Front Panel Board70A1DSP1 LCD Display71A1G1 and A1G2 Rotary Controls71A1KPD Keypad71Output Bus Boards A7, A81 and A9 & Chassis Components71Principles Of Operation80Introduction80A2 GPIB Board80A1 Front Panel Assembly81A10 Control Board81Secondary Interface (P/O A10 Board)81A4 AC Input Board84A5 DC Rail Board84A3 FET Board84Output Circuits85Replaceable Parts87INTRODUCTION87Chapter Organization87Reading the Tables87How to Order Parts88Diagrams113Introduction113Chapter Organization113General Schematic Notes117Backdating146Index151Размер: 3,2 МБСтраницы: 156Язык: EnglishПросмотреть