Instruction Manual Model 169 Digital Multimeter 01979 ... - Technik

TABLE OF CONTENTS (Cont'd)SECTIONPAGE5-16. DISPLAY CIRCUITS ...................... 5-25-18. REFERENCE SOURCE ...................... 5-35-20. LOW BATTERY DETECTOR .................... 5-35-22. INPUT PROTECTION ...................... 5-35-24. Voltage Protection ..................... 5-35-27. Current Protection ..................... 5-35-29. Ohms Protection. ...................... 5-36. MAINTENANCE. ........................... 6-16-1. GENERAL ........................... 6-l6-3. CALIBRATION. ........................ 6-l6-5. Recormended Calibration Equipment. ............. h-l6-7. Environmental Conditions .................. h-l6-9. Case Cover Removal ..................... 6-16-11. Calibration Adjustment ................... 6-I6-14. TROURLESHOOTING. ...................... 6-26-16. Special tiandling of Static Sensitive Devices ........ 6-26-18. Power supply ........................ 6-36-20. A/D Converter and Display Driver .............. 6-36-22. AC Converter ........................ h-36-24. Voltage Divider, Reference Source and Ohms Circuit ..... 6-3b-26. Current Circuitry. ..................... 6-36-31. LIQUID CRYSTAL DISPLAY REPLACEMENT ............. 6-46-33. BATTERY REPLACEMENT. .................... 6-96.35. CURRENT FUSE REPLACEMENT .................. 6-97. REPLACEABLE PARTS. ........................ 7-D7-I. GENERAL ........................... 7-o7-3. ORDERING INFORMATION .................... 7-DJ-5. FACTORY SERVICE. ...................... 7-O7-J. SCHEMATIC. ......................... 7-O7-9. COMPONENTS LAYOUT. ..................... 7-DJ-11. MODEL 1699 SPARE PARTS KIT ................. 7-OILLUSTRATIONSFIGURE TITLE JhGJl-l2-l2-22-34-l4-24-34-45-I5-25-35-46-16-26-36-46-57-lModel lG9. ....................... I-1Installation of Batteries. ............... 2-oModel 169 Front Panel Display. ............. 2-OOperating Controls ................... 2-3High Voltage Probe and RF Probe. ............ 4.2Current Probe and Current Shunt. ............ 4.3Convenience Cable and Connectors ............ 4.3Carrying Case and Hack Mounting Kits .......... 4.4Model 169 DMM Overall Signal Flow Block IDiagram. .... 5-5Simplified AC/DC Voltage Measurement .......... 5-6Simplified AC/DC Current Measurement .......... 5-JSimplified Resistance Measurement. ........... 5-8Calibration Adjustment Location. ............ 6-2LCD Assembly ...................... 6-4Integrator Waveform. .................. 6-6AC/DC Converter Waveform ................ 6-JCurrent Fuse Removal/Replacement ............ 6-9Covers and Panels. ................... 7-4