IBM Y27-2045-1 2250 FEMM Jun67 free download

File name Y27-2045-1_2250_FEMM_Jun67.pdf

Field Engineering Maintenance Manual Restricted Distribution This manual is intended for internal use only and may not be used by other than IBM personnel without IBM's written permission. ~ ~ ~ @Display Unit Modell PREFACE This manual provides the customer engineer (CE) 2250-1 Dlustrated Parts Catalog (IPC), Form with information useful for preventive and correc- 123-0442 tive maintenance of the IBM 2250 Display Unit, IBM.System/360 I/O Interface - Channel to Model 1. This edition updates the former edition Control OEMI, Form A22-6843 (Form Y27 -2045-0) and incorporates the graphic SLT Component Circuits Manual, Form design feature FE supplement (Form Z27-2572). Z22-2798 (IBM Confidential, for release only Text in this maintenance manual is supported by to authorized persons) references to diagrams located in the FE Diagram SLT Common Power Supply Manual, Form Manual (Form Y27-2044). The following are re- 223-2799 lated manuals and reference material that may be SLT Packaging Manual, Form Z22-2800 (IBM used in conjunction with this manual: Confidential, for release only to authorized persons) It is assumed that the CE who services the 2250-1 FE Theory of Operation (FETOM), 2250-1 has had experience and/or training on the Form Y27-2043 unit and is familiar with the following: 2250-1 FE Diagram Manual (FEDM), Form 1. 2250-1 Diagnostic Programs Y27-2044 2. Use of oscilloscope and related tools 2250-1 FE Installation Manual (FEIM), Form 3. CRT Safety precautions and protective 226-2022 equipment This manual has been prepared by the IBM Systems Development Division Product Publications, Dept. 520, CPO Box 120, Kingston, N. Y., 12401. Address comments concerning the manual to this address.