IBM SY22-2832-4 360-50Maint free download

File name SY22-2832-4_360-50Maint.pdf

dr) g5~ Field Engineering Maintenance Manual System/360 Model 50 2050 Processing Unit SY22-2832-4 PREFACE To obtain the most benefit from this manual. the reader fhould have a basic knowledge of System/360 concepts and general programming. and a working knowledge of the logical and physical operation of the 2050 Processing Unit. The manual includes diagnostic aids t maintenance features I and maintenance pro- cedures along with reference material that will aid in troubleshooting and maintaining the System/360 Model 50. Other Field Engineering Manuals written for the System/360 Model 50 include: Comprehensive I:atroduction, FETOM SY22-2B21 Functional Units, FETOM SY22-2B22 Capacitor Read-Only Storage, FETOM SY22-2B23 RR, RX Instructiops, . FETOM SY22-2B24 RS, SI, SS Instructions, FETOM SY22-2B25 Selector Channel, Common Channel, FETOM SY22-2B26 Multiplexor Channel, FETOM SY22-2B27 Main Storage, Local Storage., Storage Protection, FETOM SY22-282B Power Distribution and Control, FETOM SY22-2B29 Features, FETOM SY22-2B30 2050 Procestling Unit, FEMDM SY22-2B33 2050 Processing Uni t, FEIM SY22-9501 Fifth Edition (March 19i1l This is a major revision of, and obsoletes, SY22-2B32-3. Maintenance strategy diagrams have been revised, expanded, and placed in the 2050 FEMDM. All CPU timing information has been removed from this manual and placed in the ALD's, Volume 1, Page AAOOO. Other changes or additions to text and illUltrations are indicated by a vertical line to the left of the chang~. Changes are periodically made to the specifications hereinj any such changes will be reported in subsequent revisions or FE Supplements. This manual has been prepared by the IBM Systems Development Division, Product Publications, Dept. 896, PO Box 390, Poughkeepsie, N. Y. 12602. A form is pro- vided at the back of this publication for reader's comments. If the form has been removed, comments may be sent to the above address.