Full-service, independent repair center -~ ARTISAN® with experienced engineers and technicians on staff. TECHNOLOGY GROUP ~I We buy your excess, underutilized, and idle equipment along with credit for buybacks and trade-ins. Custom engineering Your definitive source so your equipment works exactly as you specify. for quality pre-owned • Critical and expedited services • Leasing / Rentals/ Demos equipment. • In stock/ Ready-to-ship • !TAR-certified secure asset solutions Expert team I Trust guarantee I 100% satisfaction Artisan Technology Group (217) 352-9330 | [email protected] | artisantg.com All trademarks, brand names, and brands appearing herein are the property o f their respective owners. Find the Tektronix 1760 at our website: Click HERE Service Manual 1740A/1750A/1760–Series Waveform/Vector Monitor 070-8469-00 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 the Safety Summary prior to performing service. Please check for change information at the rear of this manual. First Printing January 1994 Revised October 1994 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com Copyright E Tektronix, Inc., 1993. All rights reserved. Printed in U.S.A. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material. Specifications and price change privileges reserved. The following are registered trademarks: TEKTRONIX and TEK. For product related information, phone: 800-TEKWIDE (800-835-9433), ext. TV. For further information, contact: Tektronix, Inc., Corporate Offices, P.O. Box 1000, Wilsonville, OR 97070–1000, U.S.A. Phone: (503) 627–7111; TLX: 192825; TWX: (910) 467–8708; Cable: TEKWSGT. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com WARRANTY Tektronix warrants that this product, that it manufactures and sells, will be free from defects in materials and workmanship for a period of three (3) years from the date of shipment. If any such product proves defective during this warranty period, Tektronix, at its option, ei- ther will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product. 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 per- formance of service. Customer shall be responsible for packaging and shipping the defec- tive product to the service center designated by Tektronix, with shipping charges prepaid. 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 re- sponsible 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 prod- uct that has been modified or integrated with other products when the effect of such modifi- cation or integration increases the time or difficulty of servicing the product. THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THIS PRODUCT IN LIEU OF ANY OTHER WARRANTIES, EXPRESSED OR IM- PLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRAN- TIES 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 VEN- DORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBIL- ITY OF SUCH DAMAGES. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com The three members of the 1740A Series Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com German Postal Information Certificate of the Manufacturer/Importer We hereby certify that the 1740A/1750A/1760-Series Waveform Vector Monitor and all factoryĆinstalled options complies with the RF Interference Suppression requirements of Postal Regulation Vfg. 243/1991, Amended per Vfg. 46/1992 The German Postal Service was notified that the equipment is being marketed. The German Postal Service has the right to reĆtest the series and to verify that it complies. TEKTRONIX Bescheinigung des Herstellers/Importeurs Hiermit wird bescheinigt, daß der/die/das 1740A/1750A/1760-Series Waveform Vector Monitor und alle fabrikinstallierten Optionen in Übereinstimmung mit den Bestimmungen der AmtsblattĆVerfügung Vfg. 243/1991 und Zusatzverfügung 46/1992 funkentstört sind. Der Deutschen Bundespost wurde das Inverkehrbringen dieses Gerätes angezeigt und die Berechtigung zur Überprüfung der Serie auf Einhalten der Bestimmungen eingeräumt. TEKTRONIX NOTICE to the user/operator: The German Postal Service requires that Systems assembled by the operator/user of this instrument must also comply with Postal Regulation, Vfg. 243/1991, Par. 2, Sect. 1. HINWEISfür den Benutzer/Betreiber: Die vom Betreiber zusammengestellte Anlage, innerhalb derer dieses Gerät eingesetzt wird, muß ebenfalls den Voraussetzungen nach Par. 2, Ziff. 1 der Vfg. 243/1991, genügen. NOTICE to the user/operator: The German Postal Service requires that this equipment, when used in a test setup, may only be operated if the requirements of Postal Regulation, Vfg. 243/1991, Par. 2, Sect. 1.8.1 are complied with. HINWEISfür den Benutzer/Betreiber: Dieses Gerät darf in Meßaufbauten nur betrieben werden, wenn die Voraussetzungen des Par. 2, Ziff. 1. 8.1 der Vfg. 243/1991 eingehalten werden. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com Standards Compliance The 1740A/1750A/1760–Series Waveform Vector Monitors comply with the following safety standards: • Underwriters Laboratories: UL1244 — Second Edition—Standard for Electrical and Electronic Measuring and Testing Equipment • Canadian Standards Association: C22.2 No. 231 Series–M89—CSA Safety Re- quirements for Electrical and Electronic Measuring and Testing Equipment • American National Standard: ANSI/ISA–S82–1988—Safety Standard for Electri- cal and Electronic Test, Measuring, Controlling and Related Equipment • International Standard: IEC 348—Second Edition—Safety Requirements for Elec- tronic Measuring Apparatus The 1740A/1750A/1760–Series Waveform Vector Monitors comply with the following regulatory standards: • U.S. EMI: FCC Rules, Part 15, Subpart J, Class A • German EMI: VDE 0871.5 (Class B)—Radio frequency Interference Suppression of Electrical Equipment and Systems Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com Contents Specifications Specification. 1–1 Characteristics Tables. 1–2 Operating Information Installation. 2–1 Mechanical Installation. 2–2 Electrical Installation. 2–7 Rear Panel Connectors. 2–8 Remote Connector. 2–10 Remote Connector Converter. 2–12 RS232 Connector. 2–13 Installing Software. 2–13 Procedure for Loading Software. 2–15 Calibration of New Features. 2–19 Special Recovery Procedure for Power Loss During Upgrade. 2–20 Operating Instructions. 2–21 Getting Started. 2–21 Operating Instructions. 2–22 General Menu Information. 2–23 Functional Overview. 2–24 Displaying a Signal. 2–27 Theory of Operation Block Diagram Description. 3–1 Block Diagram 1 Input and Waveform Monitor. 3–1 Block Diagram 2 Vector – SCH – Component. 3–4 Block Diagram 3 Microprocessor and Line Rate Controller. 3–6 Circuit Theory. 3–9 Diagrams 1 & 2 Channel A and Channel B Inputs. 3–9 Diagram 3 Vertical Input. 3–10 Diagram 4 Vertical Output. 3–11 Diagram 5 Horizontal. 3–12 Diagram 6 Microprocessor. 3–14 Diagram 7 Dynamic Control. 3–15 Diagram 8 Readout. 3–16 Diagram 9 DACS & Serial. 3–16 Diagram 10 Remote & 1760–Series / XROM Bus Connectors. 3–17 Diagram 11 Z-Axis & Control. 3–18 Diagram 12 Front Panel. 3–19 Diagram 13 DACS & Digital Control. 3–19 Diagram 14 Subcarrier Regenerator. 3–20 Diagram 15 Phase Shifter. 3–22 Diagram 16 Demodulator. 3–23 Diagram 17 Internal SCH. 3–24 1740A/1750A/1760 – Series Service Manual i Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com Contents Diagram 18 Reference SCH. 3–26 Diagram 19 Component Inputs, Transcoders, & RGB Outputs. 3–29 Diagram 20 Component Control and Switching. 3–30 Diagram 21 Low Voltage Power Supply. 3–32 Diagram 22 High Voltage Power Supply. 3–35 Diagram 23 XROM. 3–37 Performance Verification Performance Verification. 4–1 Recommended Equipment List. 4–1 Performance Check Procedure Short-Form Reference. 4–7 Performance Check Procedure. 4–10 Adjustment Procedures Adjustment Procedure. 5–1 Recommended Equipment List. 5–1 Getting Started. 5–9 Functional Description of PC Display. 5–11 Circuit Board Adjustment Locations. 5–13 Waveform Illustrations. 5–16 Maintenance Maintenance. 6–1 Service Options. 6–1 Tektronix Service. ..