Tektronix 5103N Bedienungsanleitung

INSTRUCTION

MANUAL

S103N

OSCILLOSCOPE

SYSTEM

pLO^j/sl SBCTIDI4

Tektronix ,Inc. •P. O. Box 500 •Beaverton, Oregon 97005 •Phone 644-0161 •Cables: Tektronix

070-1143-00 471

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pacifications and price change privileges reserved.

Oregon. Printed in the United States of America. All

rights reserved. Contents of this publication may not

be reproduced in any form without permission of the

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U.S.A. and foreign Tektronix products covered

by U.S. and foreign patents and/or patents pending.

5103N

TABLE OF CONTENTS

SECTION 1SPECIFICATION

Introduction

Instrument Options

Table 1-1 Electrical Characteristics

Table 1-2 Environmental Characteristics

Table 1-3 Mainframe Physical Data

Page

1-1

1-2

1-3

SECTION 2OPERATING INSTRUCTIONS

General 2-1

Preliminary Information 2-1

Rackmounting 2-1

Operating Voltage 2-1

Operating Temperature 2-2

Plug-In Units 2-2

Installation 2-3

Selection 2-3

General Operating Information 2-3

Display Switching Logic 2-3

Vertical Display Mode 2-4

X-Y Operation 2-4

Raster Display 2-4

Basic Oscilloscope Applications 2-4

General 2-4

Peak-to-Peak Voltage Measurements—AC 2-5

Instantaneous Voltage Measurements—DC 2-5

Comparison Measurements 2-6

Time Period Measurement 2-7

Determining Frequency 2-8

Risetime Measurements 2-9

Multi-Trace Phase Difference Measurement 2-10

X-Y Phase Measurements 2-11

SECTION 3CIRCUIT DESCRIPTION

Page

Replacement Parts 4-5

Standard Parts 4-5

Special Parts 4-5

Ordering Parts 4-5

Component Replacement 4-5

General 4-5

Circuit Board Replacement 4-5

Transistor and Integrated Circuit

Replacement 4-6

Interconnecting Pin Replacement 4-6

Switch Replacement 4-6

Cathode-Ray Tube Replacement 4-7

Neon Bulb Replacement 4-8

Power Transformer Replacement 4-8

Fuse Replacement 4-8

Recalibration After Repair 4-8

SECTION 5CALIBRATION

Introduction 5-1

Services Available 5-1

Equipment Required 5-1

Preliminary Procedure 5-1

Procedure 5-2

SECTION 6RACKMOUNTING

Introduction 6-1

Instrument Conversion 6-1

Mounting Method 6-1

Rack Dimensions 6-1

Installing the Slide-Out Tracks 6-1

R5100 Installation and Adjustment 6-4

Maintenance 6-4

Block Diagram Description 3-1

Interface 3-1

Clock Generator 3-1

Countdown Circuit 3-1

Auxiliary Boards 3-2

Vertical Amplifier 3-2

Horizontal Amplifier 3-2

Power Supply 3-2

Power Input 3-2

Low-Voltage Rectifiers and Unregulated

Outputs 3-2

Line Trigger 3-3

CRT Heater Windings 3-3

Calibrator 3-3

SECTION 7ELECTRICAL PARTS LIST

Abbreviations and Symbols

Parts Ordering Information

Index of Electrical Parts List

Electrical Parts List

SECTION 8DIAGRAMS and CIRCUIT BOARD

ILLUSTRATIONS

Symbols and Reference Designators

Schematic Diagrams and Component Board

Locations

SECTION 9MECHANICAL PARTS LIST

SECTION 4SYSTEM MAINTENANCE

5100 Panel Removal 4-1

Preventive Maintenance 4-1

General 3-1

Cleaning 4-1

Calibration 4-1

Troubleshooting 4-1

General 4-1

Troubleshooting Aids 4-1

Troubleshooting Equipment 4-3

Troubleshooting Techniques 4-3

Mechanical Parts List

Mechanical Parts List Illustration

Accessories

Repackaging

CHANGE INFORMATION

Abbreviations and symbols used in this manual are based on or

taken directly from IEEE Standard 260 "Standard Symbols for

Units", MIL-STD-12B and other standards of the electronics

industry. Change information, if any, is located at the rear of this

manual.

SECTION 1

SPECIF1CATION

5103N

Change information, if any, affecting this section will be found at the rear of the manual.

Introduction ,NOTE

The 5103N Power Supply/Amplifier module is an inter-

connection unit for the display module and plug-in units. It

is operated with adisplay module, and comprises one-half

of the 5100-series oscilloscope mainframe. It accepts up to

three plug-in units and provides pre-amplification for the

deflection signals. The center and left plug-in compartments

are connected to the vertical deflection system, and the

right plug-in compartment is connected to the horizontal

deflection system. Electronic switching between the left

and center plug-ins allow amulti-trace vertical display

(chopped and alternate time-sharing modes). The unit also

contains regulated DC-voltage supplies to provide power to

the instrument system.

The following electrical characteristics apply over an

ambient temperature range of 0°C to +50°C.

Many of the measurement capabilities of the 5100-

Series Oscilloscope are determined by the choice of

display modules and plug-in units. The following

electrical characteristics apply to the Power Supply/

Amplifier unit only, unless noted otherwise. For

display modules or plug-ins only, see the specification

section of the manual for that unit.

INSTRUMENT OPTIONS

Option 1

An export transformer is available for the 5100-series

oscilloscopes, and can be installed as part of the instrument

when ordered, or it can be installed at alater time. This

transformer permits operation from 100-volt, 110-volt,

120-volt, 200-volt, 220-volt, and 240-volt sources with

power-line frequencies of from 50 to 60 hertz and 400

hertz. For further information on option 1, see your Tek-

tronix, Inc., catalog, or contact your local Tektronix Field

Office or representative.

TABLE 1-1

ELECTRICAL CHARACTERISTICS

Characteristic Performance Requirement Supplemental Information

Vertical and Horizontal Amplifiers

Input Signal Amplitude

(Differential Input)

50 millivolts per displayed division, ver-

tical and horizontal.

Horizontal Centering 0.5 division or less.

Bandwidth DC to at least 2.5 megahertz.

X-Y Phase Difference (Checked

with two plug-ins of the

same type)

1° or less to 100 kilohertz.

Sensitivity Change Accuracy degrades by up to 1% when

operated in split-screen storage.

1-1

Specification—5103N

TABLE 1-1 (cont)

Characteristic Performance Requirement Supplemental Information

Channel Switching

Chop Clock Frequency About 200 kilohertz.

Channel Chop Rate About 100 kilohertz.

Plug-In Chop Rate About 50 kilohertz.

Alternate Frequency Sweep rate (once each sweep).

Plug-In Alternate Rate

•

One-half sweep rate (once every two

sweeps).

Channel Alternate Rate One-fourth sweep rate (once every four

sweeps).

TABLE 1-2

ENVIRONMENTAL CHARACTERISTICS

Characteristic Performance

Temperature

Operating Range 0°C to +50° C.

Non-operating Range -40° Cto +70°C.

Altitude

Operating Range To 15,000 feet.

Non-operating Range To 50,000 feet.

Vibration Range To0.01 5inch peak-to-peak displacement at 50 cycles per second.

Shock Range To 30 g's, 1/2 sine, 11milliseconds duration.

Specification —5103N

TABLE 1-3

MAINFRAME PHYSICAL DATA

(5103N with aDisplay Unit)

Characteristic 5100-Series Oscilloscope R51 00-Series Oscilloscope

Dimensions (maximum)

Height (overall) 11.6 in. (29.5 cm) 5.2 in. (13.2 cm)

(cabinet) 10.5 in. (26.7 cm)

Length (overall) 19.9 in. (50.5 cm) 20.0 in. (51.0 cm)

(cabinet) 18.3 in. (46.5 cm) 18.3 in. (46.5 cm)

Width (overall) 8.4 in. (21.4 cm) 19.0 in. (48.3 cm)

(cabinet) 16.8 in. (42.7 cm)

Net Weight «22.8 lbs. (10.3 kg) ^23.5 lbs. (10.7 kg)

Shipping Weight «30.0 lbs. (13.6 kg) «39.0 lbs. (17.7 kg)

Export Weight ^45.0 lbs. (20.4 kg) ^59.0 lbs. (26.8 kg)

1-3

NOTES

5103N

SECTION 2

OPERATING INSTRUCTIONS

Change information, if any, affecting this section will be found at the rear of this manual.

General

To effectively use the 5103N, the operation and capa-

bilities of the instrument must be known. The 5103N

Power Supply/Amplifier module forms the basis of an oscil-

loscope system, and requires adisplay module and plug-ins

to complete the system. This section describes inter-

connection and general operation of the units, including

preliminary information for first-time turn-on, selection

and installation of plug-ins, general operating information,

and some basic oscilloscope applications.

Detailed operating information for aspecific display

module or plug-in is given in the instruction manual for that

unit.

PRELIMINARY INFORMATION

Rackmounting

The 5103N Power Supply/Amplifier module and the dis-

play module can be fastened together stacked or side by

side, permitting operation as abench oscilloscope, or it can

be operated in astandard 19-inch rack. Complete instruc-

tions for rackmounting are given in Section 6, Rack-

mounting.

NOTE

Before attempting to operate the instrument, make

sure the module wiring interconnections are correct,

and if display modules have been changed, that the

correct auxiliary board is installed in the socket on

the plug-in interface board.

Operating Voltage

This instrument is designed for operation from a

power source with its neutral at or near earth

(ground) potential with aseparate safety-earth con-

ductor. It is not intended for operation from two

phases of amulti-phase system, or across the legs of a

single-phase, three-wire system.

The 5100-Series Oscilloscope is operated from a115-volt

nominal line voltage source (NOTE: for instrumentshaving

optional export transformer, see information following

Table 2-1 ). The power transformer is wired to permit either

of two regulating ranges to be selected. The range for which

the primary taps are set is marked on the rear panel of the

instrument. Use the following procedure to change regu-

lating ranges:

1.Disconnect the instrument from the power source.

2. Remove the bottom dust cover of the instrument to

gain access to the Power Supply circuit board

3. Remove the brown line-selector block from the

square-pin connectors (see Fig. 2-1) and place it on the

desired set of pins (use pins marked Hor Monly). Select a

range which is centered about the average line voltage to

which the instrument is to be connected (see Table 2-1 ).

4. Change the nominal line voltage information on the

rear panel of the instrument. Use anon-abrasive eraser to

remove previous data, and mark in new data with apencil.

5. Replace the bottom dust cover and apply power to

the instrument.

TABLE 2-1

Regulating Ranges

Line Selector

Block Position Regulating Ranges

LDo not use Internally disconnected

M(110 VNominal) 99 VAC to 121 VAC

H(120 VNominal) 108 VAC to 132 VAC

Optional Export Transformer. An optional export trans-

former permits the 5100-Series Oscilloscope to be operated

from either a115-volt or a230-volt nominal line voltage

source. This transformer is wired to permit one of three

regulating ranges to be selected for either 115-volt or

230-volt nominal operation. The range for which the

2-1

Operating Instructions—5103N

Fig. 2-1. Location of the line-selector block on the Power Supply

circuit board.

primary taps are set is marked on the rear panel of the

instrument. Use the following procedure to obtain correct

instrument operation from the line voltage available:

5. Change the nominal line voltage information on the

rear panel of the instrument. Use anon-abrasive eraser to

remove the previous data, and mark in new data with a

pencil.

6. Replace the bottom dust cover and apply power to

the instrument.

Damage to the instrument may result from incorrect

placement of the line-selector block.

TABLE 2-2

Regulating Ranges For Export Transformer

Line

Selector

Block

Position

Regulatir

115-Volts Nominal

lg Range

230-Volts Nominal

L90 VAC to 110 VAC 180 VAC to 220 VAC

M99 VAC to 121 VAC 198 VAC to 242 VAC

H108 VAC to 132 VAC 216 VAC to 264 VAC

Line Fuse

Data 1.6 Aslow -blow 1Aslow-blow

1.Disconnect the instrument from the power source.

2. Remove the bottom dust cover of the instrument to

gain access to the Power Supply circuit board.

3. To convert from 115 volts to 230 volts nominal line

voltage, or vice versa, remove the line-selector block from

the square-pin connectors (see Fig. 2-1) and replace it with

the other block. Remove the line fuse from the fuse holder

located on the rear panel of the display module and replace

it with one having the correct rating. The unused line-

selector block and line fuse can be stored on the Power

Supply circuit board. Change the line-cord power plug to

match the power-source receptacle or use an adapter.

NOTE

The 115-volt block is color coded brown, and it con-

nects the transformer primary windings in parallel.

The 230-volt block is color coded red, and it connects

the primary windings in series.

To change regulating ranges, place the line-selector

block on the desired set of square pins. Select arange which

is centered about the average line voltage to which the

instrument is to be connected (see Table 2-2)

Operating Temperature

The 5103N can be operated where the ambient air

temperature is between 0°C and +50°C. The instrument can

be stored in ambient temperature between —40°C and

+70°C. After storage at atemperature beyond the operating

limits, allow the chassis temperature to come within the

operating limits before power is applied.

Athermal cutout in the display module provides thermal

protection and disconnects the power to the instrument if

the internal temperature exceeds asafe operating level. This

device will automatically re-apply power when the tempera-

ture returns to asafe level.

PLUG-IN UNITS

General

The 5103N is designed to accept up to three Tektronix

5-series plug-in units. This plug-in feature allows avariety of

display combinations and also allows selection of band-

width, sensitivity, display mode, etc., to meet the measure-

ment requirements. In addition, it allows the oscilloscope

system to be expanded to meet future measurement

requirements. The overall capabilities of the resultant

system are in large part determined by the characteristics of

the plug-ins selected.

2-2

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