Tektronix TDS3000

Theory of Operation

3–4 TDS3000 Series Service Manual

Contents

Main Page WARRANTY Page TDS3000 Series Service Manual i Table of Contents Specifications Operating Information Theory of Operation Performance Verification Page List of Figures Page Page Page General Safety Summary To Avoid Fire or Personal Injury Symbols and Terms Preventing Electrostatic Damage Battery Recycling Page Service Safety Summary Page Preface Related Manuals Service Programs Contacting Tektronix Specifications 12 TDS3000 Series Service Manual TDS3000 Series Service Manual 13 14 TDS3000 Series Service Manual TDS3000 Series Service Manual 15 16 TDS3000 Series Service Manual TDS3000 Series Service Manual 17 18 TDS3000 Series Service Manual TDS3000 Series Service Manual 19 110 TDS3000 Series Service Manual TDS3000 Series Service Manual 111 Page Operating Information Transporting the Oscilloscope Connecting Power Using Battery Power Operating Safely with Battery Power Installing and Removing the Battery Charging the Battery Installing an Application Module Page Installing a Communication Module Front-Panel Menus and Controls Using the Menu System Page 212 TDS3000 Series Service Manual You can use the menu buttons to perform many functions in the oscilloscope. Using the Menu Buttons TDS3000 Series Service Manual 213 Using the Dedicated Controls 214 TDS3000 Series Service Manual TDS3000 Series Service Manual 215 Identifying Items in the Display Using Quick Menus Page 218 TDS3000 Series Service Manual Front-Panel Connectors TDS3000 Series Service Manual 219 Rear-Panel Connectors 220 TDS3000 Series Service Manual Probe Compensation Self Calibration Page TDS3000 Series Service Manual 31 Theory of Operation Figure 31: TDS3000 series block diagram Power Supply Battery Board Main Board Acquisition System Trigger System Display System Processor System Page Page Performance Verification Performance Verification 42 TDS3000 Series Service Manual Test Record Performance Verification TDS3000 Series Service Manual 43 Performance Verification Procedures Self Test Check DC Voltage Measurement Accuracy Page Check Bandwidth Page Check Channel Edge-Trigger Sensitivity Page Check Sample Rate and Delay Time Accuracy Page Adjustment Procedures Required Equipment Overview of the Adjustment Process Signal Connections Apply DC Voltage to Channels Apply Pk-Pk Voltage to a Channel Page Factory Adjustment Procedure Page Page Maintenance Preparation Preventing ESD Inspection and Cleaning General Care Inspection and Cleaning Procedures Page Page Removal and Installation Procedures Preparation List of Modules 66 TDS3000 Series Service Manual Summary of Procedures Tools Required Handle Page Page Page Rear Case Page Page Page Rear Chassis Page Page Page Page Main Board Page Page Front Chassis and Display Module Page Page Display Inverter Board and Back light Tubes B A C Page Page Page Front Panel Page Page Page Troubleshooting Troubleshooting Procedure TDS3000 Series Service Manual 637 Figure 625: Power-on troubleshooting procedure 638 TDS3000 Series Service Manual Pin 13 Figure 626: AC power supply troubleshooting procedure Pin 18 Pin 1 Pin 1 J100 Battery board TDS3000 Series Service Manual 639 Pin 1 Figure 627: Battery module troubleshooting procedure Pin 1 J900 Main board Cable from battery board 640 TDS3000 Series Service Manual Figure 628: Front panel/display backlight power troubleshooting TDS3000 Series Service Manual 641 Figure 630: No display, power supply voltages OK Figure 629: Display/Main module supply voltage troubleshooting 642 TDS3000 Series Service Manual Figure 631: Module isolation troubleshooting procedure Unpacking and Repacking Instructions Unpacking Storage Repacking Page Options Page Page Page Page Page Mechanical Parts List Parts Ordering Information 670-7918-XX 670-7918-03 Part Number Revision Level Using the Replaceable Parts List Module Servicing Abbreviations Mfr. Code to Manufacturer Cross Index Exploded Views Page TDS3000 Series Service Manual 105 Replaceable parts list Page TDS3000 Series Service Manual 107 Replaceable parts list effective Serial no. part number Serial no. number Tektronix Page TDS3000 Series Service Manual 109 Replaceable parts list 1010 TDS3000 Series Service Manual Figure 104: Exploded view, circuit board assembly and fan TDS3000 Series Service Manual 1011 Replaceable parts list effective Serial no. part number Serial no. number Tektronix Page TDS3000 Series Service Manual 1013 Replaceable parts list Accessories list 1014 TDS3000 Series Service Manual Accessories list (cont.) number Mfr. part numberMfr. codeName & descriptionQty Serial no. discontd Serial no. effective