Tektronix 2430A free download

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i Tr:VSERVICE MANUAL 070-4917-00 Product Grrou 37 070-4917-00 Product Group 37 2430 DIGITAL OSCILLOSCOPE SERVICE WARNING THE FOLLOWING SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY. TO AVOID PERSONAL INJURY, DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO. REFER TO OPERATORS SAFETY SUMMARY AND SERVICE SAFETY SUMMARY PRIOR TO PERFORMING ANY SERVICE. Please Check for CHANGE INFORMATION at the Rear of This Manual Copyright © 1986 Tektronix, Inc. All rights reserved. Contents of this publication may not be reproduced in any form without the written permission of Tektronix, Inc . Products of Tektronix, Inc. and its subsidiaries are covered by U.S . and foreign patents and/or pending patents . TEKTRONIX, TEK, SCOPE-MOBILE, and are registered trademarks of Tektronix, Inc. TELEQUIPMENT is a registered trademark of Tektronix U .K . Limited . Printed in U .S.A . Specification and price change privileges are reserved. INSTRUMENT SERIAL NUMBERS Each instrument has a serial number on a panel insert, tag, or stamped on the chassis . The first number or letter designates the country of manufacture . The last five digits of the serial number are assigned sequentially and are unique to each instrument . Those manufactured in the United States have six unique digits. The country of manufacture is identified as follows : 13000000 100000 200000 300000 700000 Tektronix, Inc., Beaverton, Oregon, USA Tektronix Guernsey, Ltd ., Channel Islands Tektronix United Kingdom, Ltd ., London Sony/Tektronix, Japan Tektronix Holland, NV, Heerenveen, The Netherlands 2430 Service TABLE OF CONTENTS Page FRONT PANEL PROCESSOR. .. ... FRONT PANEL CONTROLS .. .. .. ... SYSTEM DAC AND ACQUISITION CONTROL REGISTERS... .. .. .. .. ... SYSTEM DAC (cont) AND AUXILIARY FRONT PANEL... .. .. ... SYSTEM CLOCKS .. ... .. ... .. .. .. .. ... TIME BASE CONTROLLER AND ACQUISITION MEMORY ... .. .. .. ATTENUATORS AND PREAMPLIFIERS .. .. ... .. .. .. ... .. .. . PEAK DETECTORS AND CCD/CLOCK DRIVERS. .. .. .. ... .. .. .. TRIGGERS AND PHASE CLOCKS ... JITTER CORRECTION RAMPS ... .. .. .. TRIGGER HOLDOFF, JITTER COUNTERS, AND CALIBRATOR .. ... CCD OUTPUT . .. .. .. .. ... .. .. .. .. ... A/D CONVERTER AND ACQUISITION LATCHES .. .. ... .. .. .. DISPLAY AND ATTRIBUTES MEMORY ... .. .. .. .. ... .. .. .. .. ... DISPLAY CONTROL ... ... .. .. ... .. .. .. DISPLAY OUTPUT . .. ... .. ... .. .. HIGH VOLTAGE POWER SUPPLY AND CRT .. .. .. ... .. .. .. .. ... SYSTEM I/0 .. .. .. ... .. .. .. .. ... .. .. .. VIDEO OPTION ... .. .. .. .. ... .. .. .. .. ... LOW VOLTAGE POWER SUPPLY . .. .. LOW VOLTAGE REGULATORS ... 3-26 3-28 3-29 3-31 3-33 3-37 3-41 3-43 3-49 3-54 3-56 3-59 3-60 3-61 3-64 3-71 3-73 3-78 3-82 3-90 3-96 Page LIST OF ILLUSTRATIONS