IBM 227-5977-1 1131 Computing System FEMM free download

File name 227-5977-1_1131_Computing_System_FEMM.pdf

Field Engineering Maintenance Manual N N '-I I Ul \0 '-I '-I I ... I ~ ~ ~@ Computing System Field Engineering Maintenance Manual Issued to: _ _ _ _ _ _ _ _ _ _ _ __ Branch Office: _ _ _ _ _ _ _ _ _ _ __ Department: _ _ _ _ _ _ _ _ _ _ __ Address: _ _ _ _ _ _ _ _ _ _ _ __ If this manual is misplaced, it should be returned to the above address. TI TI ~@ Computing System PREFACE This manual contains all maintenance procedures required to service the IBM 1130 Data Processing System. This manual assumes that the CE has limited experience and/or training on the system and is fa- miliar with the material contained in the Field Engi- neering Theory of Operation (Instruction Manual) manuals listed in the Bibliography (Appendix A). The users of this manual are cautioned that specifications are subject to change at any time and without prior notice by IBM. Wiring diagrams (logics) at the engineering change level of that spec- ific machine are included in each machine shipment. This manual (Form 227-5977-1) is a major revision of Form 227-5977-0. The latter is made obsolete by this revision. Copies of this and other IBM publications can be obtained through IBM Branch Ofiices. A form has been provided at the back of this publication for readers' comments. If the form has been detached, comments may be directed to : IBM, Product Publications Department, San Jose, Calif. 95114 @) International Business Machines Corporation,1966. ii CONTENTS CHAPTER 1 DIAGNOSTIC AIDS