HP 07940-90903 7941 7945 Service Sep85 free download

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SERVICE MANUAL 7941 AND 7945 DISC DRIVES Manual part no. 07940-90903 Microfiche part no. 07940-90803 PRINTED: SEP 1985 07940-90903 Prin ted in U.S.A E0985 FliD'l HEWLETT ~~ PACKARD PRINTING HISTORY New editions incorporate all update material since the previous edition. Updating Supplements, which are is- sued between editions, contain additional and revised information to be incorporated into the manual by the user. The date on the title page changes only when a new edition is published. First Edition SEP 1984 Change 1 10 DEC 1984 Second Edition JAN 1985 Third Edition . SEP 1985 NOTICE The information contained in this document is subject to change: without notice. HEWLETT-PACKARD MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnish- ing, performance or use of this material. This document contains proprietary information which is protected by copyright. All rights are reserved. No part of this document may be photocopied or reproduced without the prior written consent of Hewlett-Packard Company. COREFILE-FLITCORE Copyright(C) 1984, 1985 by HEWLETT -PACKARD COMPANY 11 Fli:n- HEWLETT ~~ PACKARD SERVICE MANUAL 7941 AND 7945 DISC DRIVES Manual part no. 07940-90903 Microfiche part no. 07940-90803 PRINTED: SEP 1985 07940-90903 Printed in U.S.A E0985 Serial Number Prefix The main part of this manual applies directly to HP 7941 and HP 7945 Disc Drives with serial numbers prefixed 2540 and subsequent. RI~fer to Appendix B for disc drives with serial numbers prefixed 2515 and prior. Refer to Appendix A for disc drives with sel"ial numbers prefixed 2438 and prior. OPTIONS COVERED In addition to the standard models, this manual covers the following options: 01 5 and 550. FOR U.S.A. ONLY The Federal Communi