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Tektronix 502A

Tektronix 502A
110 pages
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INSTRUCTION
MANUAL
Serial
Number
__________
Tektronix,
Inc.
S.W.
Millikan
Way
P.
O.
Box
500
Beaverton,
Oregon
Phone
Ml
4-0161
Cables:
Tektronix
463
070-382
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Tektronix 502A Specifications

General IconGeneral
TypeOscilloscope
Channels2
Input Impedance1 MΩ
Input Capacitance47 pF
InputBNC

Summary

Instruction Manual

Warranty Information

Details Tektronix's instrument warranty policy and terms.

Section 1 Characteristics

Vertical Deflection System Overview

Describes input characteristics, deflection factors, and frequency response of the vertical system.

Horizontal Deflection System Overview

Outlines sweep rates, magnifier functions, and triggering signal requirements.

Section 2 Operating Instructions

Initial Setup and Safety

Instructions for initial setup, power, fuses, cooling, and safety precautions.

Signal Input and Triggering Methods

Guidance on connecting signals, input selection, trigger modes, and sources for stable displays.

Measurement Techniques

Procedures for performing accurate voltage, time, and frequency measurements using oscilloscope features.

Advanced Operation Modes

Explains X-Y operation, magnifier use, and amplitude calibration features.

Section 3 Circuit Description

Input and Vertical Amplifier Circuits

Detailed description of the input circuit and the push-pull vertical amplifier stages.

Time-Base Trigger and Generator Circuits

Explanation of the circuits responsible for sweep generation and triggering.

Horizontal Amplifier, Power Supply, and CRT Circuits

Overview of horizontal amplifier, power supply, and CRT circuits.

Section 4 Maintenance

Preventive Maintenance Procedures

Procedures for routine care, including cleaning air filters and visual inspections.

Soldering and Component Replacement

Techniques for component replacement involving soldering and handling ceramic terminal strips.

Troubleshooting Key Circuits

Systematic approach for diagnosing and resolving faults across key circuits.

Section 5 Calibration Procedure

Calibration Setup and General Information

Overview of calibration necessity, equipment, and general setup procedures.

Power Supply and CRT Calibration Steps

Steps to check and adjust power supplies and align the CRT display geometry.

Amplifier and Trigger Calibration Steps

Procedures for calibrating horizontal/vertical amplifiers, attenuators, and trigger controls.

Measurement Accuracy Verification

Verification steps for vertical response, input attenuators, and phasing for measurement accuracy.

Section 6 Parts List and Schematics

Parts Ordering and Identification

Guidelines for ordering parts, abbreviations, and symbols used in lists.

Component Lists by Location

Lists components by their physical location (front, left, right, top, bottom, rear panels).

Electrical Component Lists

Detailed lists of electrical components including capacitors, resistors, tubes, and transistors.

Schematics and Wiring Diagrams

Includes block diagrams, circuit schematics, and heater wiring diagrams for detailed analysis.

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