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Tektronix ECO170A Instruction Manual
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Tektronix ECO170A Instruction Manual

Synchronous changeover unit
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Instruction Manual
ECO170A
Synchronous Changeover Unit
070-6113-03
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

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Summary of Contents for Tektronix ECO170A

  • Page 1 Instruction Manual ECO170A Synchronous Changeover Unit 070-6113-03 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.
  • Page 2 Copyright Tektronix, Inc. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077...
  • Page 3 WARRANTY Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one (1) year from the date of shipment. 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.

  • Page 4: Contacting Tektronix

    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.
  • Page 5 General Safety Summary Service Safety Summary...
  • Page 6 Circuit). . .
  • Page 8 Table 2 8A Certifications and Compliances ............2 6A...

  • Page 11: General Safety Summary

    ECO–170A — GENERAL SAFETY SUMMARY GENERAL SAFETY SUMMARY Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. To avoid potential hazards, use this product only as specified. Only qualified personnel should perform service procedures. TO AVOID FIRE OR PERSONAL INJURY Use Proper Power Cord.

  • Page 12: Symbols And Terms

    ECO–170A — GENERAL SAFETY SUMMARY SYMBOLS AND TERMS 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.

  • Page 13: Service Safety Summary

    ECO–170A — SERVICE SAFETY SUMMARY SERVICE SAFETY SUMMARY Only qualified personnel should perform service procedures. Read this Service Safety Summary and the General Safety Summary before performing any service procedures. 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.
  • Page 14 ECO–170A — SERVICE SAFETY SUMMARY...
  • Page 27 ECO–170A — SPECIFICATION AND PERFORMANCE CHECK Table 2–8A: CERTIFICATIONS AND COMPLIANCES Category Standards or description EC Declaration of Conformity – Meets intent of Directive 89/336/EEC for Electromagnetic Compatibility. Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Union: EN 50081-1 Emissions: EN 55022...
  • Page 28 ECO–170A — SPECIFICATION AND PERFORMANCE CHECK Table 2–8A: CERTIFICATIONS AND COMPLIANCES (cont.) Category Standards or description Canadian Certification CAN/CSA C22.2 No. 231 CSA safety requirements for electrical and electronic measuring test equipment. European Union Compliance Low Voltage Directive 73/23/EEC, amended by 93/69/EEC EN 61010-1 Safety requirements for electrical equipment for measurement, control, and laboratory use.
  • Page 43 WARNING The following servicing instructions are for use only by qualified personnel. To avoid injury, do not perform any servicing other than that stated in the operating instructions unless you are qualified to do so. Refer to all safety summaries before performing any service.

  • Page 123: Section 7- Diagrams And Circuit Board Illustrations

    Section 7— Diagrams and Circuit Board Illustrations 7–1 ECO-170A Synchronous Changeover Unit...
  • Page 124 SECTION 7—DIAGRAMS AND CIRCUIT BOARD ILLUSTRATIONS 7–2 ECO-170A Synchronous Changeover Unit...
  • Page 125 Figure 7-1: EOC–170A Bolck Diagram 7–3 ECO-170A Synchronous Changeover Unit...
  • Page 126 A2 Main Board (SNB010293 & Above) A3 BNC Board Figure 7-2: A2 Main Board (SNB010293 & Above) and A3 BNC Board 7–4 ECO-170A Synchronous Changeover Unit...
  • Page 127 7–5 ECO-170A Synchronous Changeover Unit...
  • Page 128 Figure 7-3: Schematic 1 Look–up Chart 7–6 ECO-170A Synchronous Changeover Unit...
  • Page 129 ECO–170A 7–7 ECO-170A Synchronous Changeover Unit...
  • Page 130 A2 Main Board (SNB010292 & Below) REV JUL 1989 Figure 7-4: A2 Main Board (SNB010292 & Below) 7–8 ECO-170A Synchronous Changeover Unit...
  • Page 131 7–9 ECO-170A Synchronous Changeover Unit...
  • Page 132 Figure 7-5: Schematic 2 Look–up Chart 7–10 ECO-170A Synchronous Changeover Unit...
  • Page 133 ECO–170A 7–11 ECO-170A Synchronous Changeover Unit...
  • Page 134 Figure 7-6: Schematic 3 Look–up Chart 7–12 ECO-170A Synchronous Changeover Unit...
  • Page 135 ECO–170A 7–13 ECO-170A Synchronous Changeover Unit...
  • Page 136 Figure 7-7: Schematic 4 Look–up Chart 7–14 ECO-170A Synchronous Changeover Unit...
  • Page 137 ECO–170A 7–15 ECO-170A Synchronous Changeover Unit...
  • Page 138 Figure 7-8: Schematic 5 Look–up Chart 7–16 ECO-170A Synchronous Changeover Unit...
  • Page 139 ECO–170A 7–17 ECO-170A Synchronous Changeover Unit...
  • Page 140 Figure 7-9: Schematic 6 Look–up Chart 7–18 ECO-170A Synchronous Changeover Unit...
  • Page 141 ECO–170A 7–19 ECO-170A Synchronous Changeover Unit...
  • Page 142 DIAGRAM 7 Figure 7-10: Schematic 7 Look–up Chart 7–20 ECO-170A Synchronous Changeover Unit...
  • Page 143 ECO–170A 7–21 ECO-170A Synchronous Changeover Unit...
  • Page 144 A4 Power Supply Board (SNB020000 & Above) A1 Front Panel Board Figure 7-11: A1 Front Panel Board, A4 Power Supply Board and Schematic 8 Look–up Chart (SNB020000 & Above) 7–22 ECO-170A Synchronous Changeover Unit...
  • Page 145 ECO–170A 7–23 ECO-170A Synchronous Changeover Unit...
  • Page 146 A4 Power Supply Board (SNB019999 & Below) REV JUL 1989 Figure 7-12: A4 Power Supply Board and Schematic 9 Look–up Chart (SNB019999 & Below) 7–24 ECO-170A Synchronous Changeover Unit...
  • Page 147 ECO–170A 7–25 ECO-170A Synchronous Changeover Unit...
  • Page 148 Figure 7-13: A4 Power Supply Board and Schematic 9 Look–up Chart (SNB019999 & Below) 7–26 ECO-170A Synchronous Changeover Unit...
  • Page 149 ECO–170A 7–27 ECO-170A Synchronous Changeover Unit...
  • Page 150 7–28 ECO-170A Synchronous Changeover Unit...
  • Page 157 070611301 070 6113 01...
  • Page 159 Figure 8–1: Mechanical parts exploded view 8–9 ECO-170A Synchronous Changeover Unit...
  • Page 160 ECO-170A Synchronous Changeover Unit...
  • Page 181 670–9838–11 A2 Main Board, M79323 M79323 Page 6 of 6 ECO-170A Synchronous Changeover Unit...