IBM SY27-2314-0 3277 Troubleshooting Guide May72 free download

File name SY27-2314-0_3277_Troubleshooting_Guide_May72.pdf

-- -- - -- - - - - - - -- -- - - - -- - - = == ';' - --- - --- --- == Maintenance Library - = = - == - ::: ~...--.- -- =~== - -- -,- -- -- -~ -. ~ ~ - =-==-= -= -.-... -=--- - Display Station Models 1 and 2 Troubleshooting Guide SY27-2314-O Preface The IBM 3270 I nformation Display System consists of Because the 3277 attaches to both local and remote control control units, display stations, printers, and optional units, an understanding of the control unit to which the feature devices. This manual contains all the information display station is attached is also helpful. required to maintain IBM 3277 Display Stations and The titles and form numbers of the two control unit features such as keyboards, selector-light pen, magnetic Troubleshooting Guides are listed below under card reader, security key lock, and audible alarm. The I'Companion Manuals". Both Troubleshooting Guides con- purpose of this manual is to present maintenance and repair tain a glossary of terms that are applicable to control units information rather than theory of operation information. and display stations. This manual is organized in eight sections. Sections 1 and 2 contain introductory and maintenance background Companion Manuals: material. Sections 3, 4, and 5 contain the Symptom Index, Troubleshooting Diagrams, and repair data. These three