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General| Brand | Tektronix |
|---|---|
| Model | TDS 420A |
| Category | Test Equipment |
| Language | English |
Precautions to avoid personal injury during operation and servicing.
Precautions to prevent damage to the oscilloscope and connected equipment.
Lists essential steps and safety checks before attempting oscilloscope service.
Explains the service strategy focusing on module replacement and fault isolation.
Describes the combination of front-panel controls, menus, and GUI for operation.
Explains the vertical channels, scale factors, and acquisition modes.
Details requirements and procedures for connecting to a power source safely.
Covers quick tests for basic functionality and proper adjustment using internal routines.
Uses internal routines to verify oscilloscope functions and signal path compensations.
Checks characteristics related to the signal acquisition system.
Checks characteristics of the main and delayed time base systems.
Checks accuracy and sensitivity of the main and delayed trigger systems.
Guides software installation, GPIB configuration, and starting the adjustment process.
Details procedures for compensating, measuring bandwidth, and adjusting probe response.
Describes procedures for adjusting vertical/horizontal sync, brightness, and focus.
Outlines precautions to avoid electrostatic discharge damage to components.
Lists the tools required for module removal and disassembly.
Guides the user on how to access specific modules by following predefined steps.
Explains the oscilloscope's internal diagnostic levels and procedures for identifying faults.
Lists useful test equipment, fixtures, and supplies for effective troubleshooting.
Provides a flowchart-based procedure for initial troubleshooting of common issues.
Guides the user in isolating faulty modules based on diagnostic reports.
Provides a flowchart for diagnosing issues with the low voltage power supply.
Guides troubleshooting steps for monitor display and sync issues.
Aids in troubleshooting issues related to the CPU and front panel modules.
Guides troubleshooting for problems related to the attenuator and acquisition boards.
Checks power supply voltages for the acquisition and attenuator boards.
Guides troubleshooting steps for issues related to the backplane.
