Tektronix P5210 Service Manual

Service Manual
P5210 High Voltage Differential Probe
070-9895-03
Warning
The servicing instructions are for use by qualified personnel only. To avoid personal injury, do not perform any servicing unless you are qualified to do so. Refer to all safety summaries prior to performing service.
www.tektronix.com
Copyright © Tektronix, Inc. All rights reserved.
Tektronix products are cove red by U.S. and foreign patents, issued an d pending. Information in this publication supercedes that in all previously published material. Specifications and price change privilege s reserved.
Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077
TEKTRONIX, TEK, and TEKPROBE are registered tradem arks of Tektronix, Inc.

WARRANTY

Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship for a period of one (1) year from the date of purchase from an authorized Tektronix distributor. If any such product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product. Batteries are excluded from this warranty.
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service. Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix, shipping charges prepaid, and with a copy of customer proof of purchase. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product; b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any damage or malfunction caused by the use of non-Tektronix supplies; or d) to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE LISTED PRODUCTS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX’ RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

Table of Contents

General Safety Summary v............................
Service Safety Summary vii.............................
Contacting Tektronix viii...............................
Operating Basics 1...................................
Operating the Probe Safely 2............................
Minimizing Risk of RF Burn (probe leads) 2................
Maximum Input Limits 2...............................
Operating Characteristics and Probing Techniques 4.........
Operating Limits 4....................................
Overrange Detection 4.................................
Common-Mode Rejection 4.............................
Twisting the Input Leads 5..............................
Extension Leads 5.....................................
Probe Loading 6......................................
Specifications 7......................................
Warranted Characteristics 7.............................
Typical Characteristics 11...............................
Nominal Characteristics 14..............................
Maintenance 15.......................................
Cleaning 15...........................................
Replacing TEKPROBE Interface Pins 15...................
Removing and Replacing the TEKPROBE Interface Collar 16..
Removing the Compensation Box Covers 17................
Replacing the Compensation Box Covers 17.................
Performance Verification 19............................
Construction of Modified BNC Adapter 20..................
Setup 21.............................................
Differential Gain Accuracy 22............................
Bandwidth 24.........................................
DC CMRR 25.........................................
Replaceable Parts 27...................................
Parts Ordering Information 27............................
Using the Replaceable Parts List 27........................
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Table of Contents
Abbreviations 28....................................
Mfr. Code to Manufacturer Cross Index 28...............
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P5210 High Voltage Differential Probe Service Manual

List of Figures

Figure 1: Safety Limits (voltage between either input
and earth ground) 3.................................
Figure 2: Twisting the Input Leads 5......................
Figure 3: HF Transient Response with a nd without
extension leads 6..................................
Figure 4: Safety limits (voltage between either input
and earth ground) 9.................................
Figure 5: Typical common-mode rejection ratio
(100X attenuation) 12................................
Figure 6: Input impedance vs. frequency 13.................
Figure 7: Repl acing TEKPROBE interface pins 16............
Figure 8: Replacing the TEKPROBE collar 16...............
Figure 9: Removing the compensation box covers 17..........
Figure 10: Replacing the compensation box cover 18..........
Figure 11: BNC-male-to-dual binding post adapter 20.........
Figure 12: Removing plastic covers from binding posts 22.....
Figure 13: Slide probe leads onto the binding posts 23.........
Figure 14: P5210 probe and replaceable accessories 29........
Figure 15: Replaceable parts -- compensation box 31..........
Figure 16: P5210 probe optional accessories 32..............
Table of Contents
P5210 High Voltage Differential Probe Service Manual
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Table of Contents

List of Tables

Table 1: Warranted electrical characteristics 8..............
Table 2: Certifications and compliances 10.................
Table 3: Typical electrical characteristics 11................
Table 4: Typical mechanica l characteristics 13...............
Table 5: Nominal electrical characteristics 14...............
Table 6: List of equipment required 19.....................
Table 7: Parts list column descriptions 28...................
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P5210 High Voltage Differential Probe Service Manual

General Safety Summary

Review the following safety pre cautions to avoid injury and prevent damage to this product or a ny products connected to it. To avoid potential hazards, use this product only as specified.
Only qualified personnel should perform service procedures.
Observe Maximum Working Voltage
Do not use the P5210 High Volt age Differential Probe above 1,000 V input or
To Avoid Fire or Personal Injury
Avoid RF Burns While Handling Probe. To avoid RF burns, do not handle
the probe while the input leads are connect ed to circuits above the voltage and frequency limits specified in Figure 1 on page 3. Use only probe accessories that are rated for the application.
Connect and Disconnect Properly. Connect the probe output to the
measurement instrument before connecting the probe to the circuit under test. Disconnect the probe input and the probe ground from the circuit under test before disconnecting the probe from the measure­ment instrument.
CAT III (2,200 V
RMS
± 5,600 V (DC + peak AC) between the leads.
RMS
CAT II ) from ground on either
Ground the Product. This product is indirectly grounded through the
grounding conductor of the mai nframe power cord. To avoid e lectri c shock, the grounding conductor must be connected to earth ground. Before making connections to the input or output terminals of the product, ensure that the product is properl y grounded.
Observe All Terminal Ratings. To avoid fire or shock hazard, observe all
ratings and markings on the product. Consult the product manual for further ratings information before making connect ions to the product.
Use Proper AC Adapter. Use only the AC adapter specified for this
product.
Do Not Operate Without Covers. Do not operate this product with
covers or panels removed.
Avoid Exposed Circuitry. Do not touch exposed connections and
components when power is present.
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General Safety Summary
Do Not Operate With Suspected Failures. If you suspect there is damage
to this product, have it inspected by qualified service personnel.
Do Not Operate in Wet/Damp Conditions.
Do Not Operate in an Explosive Atmosphere.
Keep Product Surfaces Clean and Dry.
Safety Terms and Symbols
Terms in This Manual. These terms may appear in this manual:
WARNING. Warning statements identify conditions or practices that could result in injury or loss of life.
CAUTION. Caution statements identify conditions or practices that could result in damage to this product or other property.
Terms on the Product. These terms may appear on the product:
DANGER indicates an injury hazard immediately accessible as you read the marking.
WARNING indicates an injury hazard not immediately accessible as you read the marking.
CAUTION indicates a hazard to property including the product.
Symbols on the Product. These symbols may appear on the product:
CAUTION
Refer to Manual
WARNING
High Voltage
Double
Insulated
Protective Ground
(Earth) Terminal
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P5210 High Voltage Differential Probe Service Manual

Service Safety Summary

Only qualified personnel should perform service procedures. Read this Service Safety Summary and the General Safety Summary before performing any service proce dures.
Do Not Service Alone. Do not perform internal service or adjustments
of this product unless another person capable of rendering first aid and resuscitation is present.
Use Care When Servicing with Power On. Dangerous voltages or currents
may exist in this product. Disconnect power, remove battery (if applicable), and disconnect test leads before removing protective panels, soldering, or replacing components.
To avoid electric shock, do not touch exposed connections.
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Service Safety Summary

Contacting Tektronix

Phone 1-800-833-9200*
Address Tektronix, Inc.
Web site www.tektronix.com
Sales support 1-800-833-9200, select option 1*
14200 SW Karl Braun Drive P.O. Box 500 Beaverton, OR 97077 USA
Service support 1-800-833-9200, select option 2*
Technical support Email: techsupport@tektronix.com
1-800-833-9200, select option 3* 1-503-627-2400
6:00 a.m. -- 5:00 p.m. Pacific time
* This phone number is toll free in North America. After office
hours, please leave a voice mail message. Outside North America, contact a Tektronix sales office or distributor; see the Tektronix web site for a list of offices.
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P5210 High Voltage Differential Probe Service Manual

Operating Basics

To help you use t he P5210 High Voltage Differential Probe safely and effectively, this sec tion provides important information about safety limits, operating characteristics, and probing techniques.
WARNING. Due to the inherent hazards associated with taking high-voltage measurements, the product is i ntended for use by qualified personnel who have had the training to make these types of measurements. Read and follow the precautions specified in this manual.
Before you make any oscilloscope measurement, observe all safety precautions described in t he user and service manuals for the equipment you are working on. Some general rules about using and servicing electrical equipment are worth repeating here.
H Observe the safety instruction symbols for the equipment you are
working on.
H Consult the instruction or service manuals for the equipment you
are working on.
H Don’t operate or service an electric al devic e in an explosive
atmosphere.
H Avoid personal injury by never touching exposed connections or
components in the circuit-under-test when the power is on.
P5210 High Voltage Differential Probe Service Manual
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Operating Basics

Operating the Probe Safely

Before connecting the inputs of the probe to a circuit, read the safety information in this section, and attach the appropriate accessories to the input connectors of the probe.
NOTE. To avoid shock or fire hazard, use only accessories that are rated for the application.
Minimizing Risk of RF Burn (Probe Leads)
WARNING. To avoid personal injury, do not handle the probe leads when the leads are connected to a source that is above the voltage and frequency limits given in Figure 1 on page 3. The area above these limits poses a risk of radio frequency (RF) burns.
If you need to use t he probe within the risk area for RF burn, turn power off to the source before connecting or disconnecting the probe leads. Do not handle the i nput leads while the circuit is active.
Maximum Input Limits
To prevent damage to the probe, you must observe both the peak and RMS ratings. (The rating for DC voltage is the same as the rating for RMS voltage.) You must also observe the ratings between the differential inputs and between each input and earth ground.
CAUTION. To avoid damaging the input circuitry of the P5210, do not apply voltage of more than 2,200 V and earth ground or more than 4,400 V
CAT II between either input
RMS
CAT II between the
RMS
inputs. In addition, the peak voltage must be less than 5,600 V (DC + peak AC) between the inputs.
Above 1.5 MHz, the voltage limit decreases as frequency increases. See Figure 1. The input l imit applies to both the 100X and 1,000X settings.
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P5210 High Voltage Differential Probe Service Manual
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