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QUALIFIED PERSONNEL ONLY.TO AVOID PERSONAL INJURY,  DO NOTPERFORM ANY SERVICING OTHER THAN THATCONTAINED IN OPERATING INSTRUCTIONSUNLESS YOU ARE QUALIFIED TO DO SO.  \nPLEASE CHECK FOR CHANGE INFORMATIONAT THE REAR OF THIS MANUAL.  \n2465  \n# OSCILLOSCOPESERVICE\n\nINSTRUCTION MANUAL  \nTektronix,Inc.P.O.Box 500Beaverton,Oregon 97077  \nSerial Number               \nCopyright ◎ 1983 Tektronix,Inc.All rights reserved.Contents of this publication may not be reproduced in anyform without the written permission of Tektronix,Inc.  \nProducts of Tektronix,Inc.and its subsidiaries are coveredby U.S.and foreign patents and/or pending patents.  \nTEKTRONIX,TEK,SCOPE-MOBILE,andareregistered trademarks of Tektronix,Inc.TELEQUiPMENTis a registered trademark of Tektronix U.K.Limited.  \nPrinted in U.S.A.Specification and price change privilegesare reserved.  \n## INSTRUMENT SERIAL NUMBERS\n\nEach instrument has a serial number on a panel insert,tag,or stamped on the chassis.The first number or letterdesignates the country of manufacture.The last five digitsof the serial number are assigned sequentially and areunique to each instrument.Those manufactured in theUnited States have six unique digits.The country ofmanufacture is identified as follows:  \nB000000 Tektronix,Inc.,Beaverton,Oregon,USA100000Tektronix Guernsey,Ltd.,Channel Islands200000Tektronix United Kingdom,Ltd.,London300000Sony/Tektronix,Japan700000Tektronix Holland,NV,Heerenveen,The Netherlands  \nLIST OF TABLES………………………………………………………………………V  \nOPERATORS SAFETY SUMMARY………………………………vi  \nSERVICING SAFETY SUMMARY……………………………………vii  \nSECTION 1 SPECIFICATION  \nINTRODUCTION……………………………………1-1  \nPERFORMANCE CONDITIONS……1-1  \nSECTION 2 OPERATING INFORMATION  \nPREPARATION FOR USE………………………2-1  \nSAFETY CONSIDERATIONS……………2-1  \nLINE VOLTAGE SELECTION…………2-1  \nLINE FUSE…………………………………………………2-1  \nPOWER CORD……………………………………2-1  \nINSTRUMENT COOLING ………………2-2  \nSTART-UP………………………………………………2-2  \nREPACKAGING FOR  \nSHIPMENT……………………………………………2-2  \nCONTROLS, CONNECTORS,  \nAND INDICATORS……………………………………2-4  \nPOWER AND DISPLAY………………………2-4  \nVERTICAL…………………………………………………2-5  \nHORIZONTAL AND DELTA  \nMEASUREMENT………………………………2-7  \nTRIGGER……………………………………………………2-10  \nREAR PANEL………………………………………2-12  \nREADOUT DISPLAY…………………………2-13  \nOPERATING CONSIDERATIONS………2-15  \nGRATICULE…………………………………………2-15  \nTIME AND VOLTAGE  \nMEASUREMENTS………………………………2-15  \nGROUNDING………………………………………2-15  \nSIGNAL CONNECTIONS……………………2-16  \nINPUT-COUPLING  \nCAPACITOR PRECHARGING………2-16  \nEXTERNAL TRIGGERING……………2-16  \nTABLE OF CONTENTS  \nPage  \nPage  \nOPERATOR'S CHECKS  \nLIST OF ILLUSTRATIONS…………………………………………………iv  \nAND ADJUSTMENTS………………………………2-17  \nINTRODUCTION……………………………………2-17  \nINITIAL SETUP…………………………………………2-17  \nTRACE ROTATION  \nADJUSTMENT………………………………………2-17  \nASTIGMATISM ADJUSTMENT……2-18  \nAUTO DC BALANCE  \nADJUSTMENT………………………………………2-18  \nPROBE LOW-FREQUENCY  \nCOMPENSATION…………………………………2-18  \nMATCHING CHANNEL 2  \nDELAY………………………………………………………2-19  \nAMPLITUDE CHECK…………………………2-20  \nTIMING CHECK……………………………………2-20  \n## SECTION 3 THEORY OF OPERATION\n\nINTRODUCTION……………………………………………3-1  \nSECTION ORGANIZATION……………3-1  \nHYBRID AND INTEGRATED  \nCIRCUIT DESCRIPTIONS…………………3-1  \nBLOCK DIAGRAM………………………………3-1  \nBLOCK DESCRIPTION…………………………3-1  \nDETAILED CIRCUIT  \nDESCRIPTION…………………………………………………3-5  \nINTRODUCTION…………………………………3-5  \nPROCESSOR AND DIGITAL  \nCONTROL……………………………………………3-5  \nANALOG CONTROL………………………3-9  \nFRONT-PANEL CONTROLS…………3-12  \nATTENUATORS AND  \nPREAMPLIFIERS……………………………………3-14  \nDISPLAY SEQUENCER,  \nTRIGGERS, AND SWEEPS………………3-17  \nVERTICAL CHANNEL SWITCH  \nAND OUTPUT AMPLIFIERS…………3-23  \nREADOUT…………………………………………3-27  \nHIGH VOLTAGE POWER  \nSUPPLY AND CRT………………………………3-35  \nLOW VOLTAGE POWER  \nSUPPLY…………………………………………………3-40  \ni  \n# TABLE OF CONTENTS(cont)\n\nPage  \nPage  \n## SECTION 3 THEORY OF OPERATION (cont)\n\nDYNAMIC CENTERING,  \nCRT TERMINATION,  \nLOW VOLTAGE  \nVERTICAL","cbCaid1jd40w7WR9","https://ap.wps.com/l/cbCaid1jd40w7WR9","pdf",30348354,323,"English","# Instrument Serial Numbers\n# Section 1 Specification\n## Introduction\n## Performance Conditions\n# Section 2 Operating Information\n## Preparation for Use\n## Safety Considerations\n## Line Voltage Selection\n## Line Fuse\n## Power Cord\n## Instrument Cooling\n## Start-Up\n## Repackaging for Shipment\n## Controls, Connectors, and Indicators\n## Power and Display\n## Vertical\n## Horizontal and Delta Measurement\n## Trigger\n## Rear Panel\n## Readout Display\n## Operating Considerations\n## Graticule\n## Time and Voltage Measurements\n## Grounding\n## Signal Connections\n## Input-Coupling Capacitor Precharging\n## External Triggering\n## Operator's Checks and Adjustments\n# Section 3 Theory of Operation\n## Introduction\n## Section Organization\n## Hybrid and Integrated Circuit Descriptions\n## Block Diagram\n## Block Description\n## Detailed Circuit Description","[{\"question\":\"Who is allowed to perform the servicing instructions in this manual?\",\"answer\":\"The servicing instructions are for use by qualified personnel only. To avoid personal injury, servicing must not be performed other than what is contained in the operating instructions unless qualified to do so.\"},{\"question\":\"How does the manual explain identifying an instrument’s serial number?\",\"answer\":\"Each instrument has a serial number on a panel insert, tag, or stamped on the chassis. The first number or letter indicates the country of manufacture, and the last five digits are assigned sequentially and are unique to each instrument.\"},{\"question\":\"What topics are covered under operating information?\",\"answer\":\"Operating information includes preparation for use, safety considerations, line voltage selection and line fuse, power cord, instrument cooling, start-up, repackaging for shipment, and detailed descriptions of controls, connectors, indicators, and measurement considerations.\"}]","2465 Oscilloscope Service - Instruction Manual | PDF",814]