IBM 4685-K03 User Manual

IBM

xiv IBM 4685-K03 Installation, Operation and Maintenance Guide

............................................................................................................................................................................ 12

CHAPTER 4 “REPLACING THE KEYS”

............................................................................................................................. 15

REPLACING A SINGLE KEY

................................................................................................................................................ 15

....................................................................................................................................................................................15

.................................................................................................................................................................................16

REPLACING A DOUBLE KEY

.............................................................................................................................................. 17

....................................................................................................................................................................................17

.................................................................................................................................................................................18

REPLACING A QUADRUPLE KEY

...................................................................................................................................... 19

....................................................................................................................................................................................19

.................................................................................................................................................................................19

CHAPTER 5 “MAINTENANCE OF THE KEYBOARD”

..................................................................................................... 21

IF PROBLEMS OCCUR

......................................................................................................................................................... 21

DIAGNOSTIC TESTS

............................................................................................................................................................. 22

ELF

DIAGNOSTIC TESTS

............................................................................................................................................................22

REMOVING AND REPLACING PARTS

............................................................................................................................... 24

EPLACING THE REAR COVER

....................................................................................................................................................24

EPLACING THE CONTROL CARD

...............................................................................................................................................25

EPLACING THE

MSR

................................................................................................................................................................25

EPLACING THE MODE KEY

........................................................................................................................................................27

EPLACING THE SPEAKER

..........................................................................................................................................................27

EPLACING THE TOP COVER ASSEMBLY

.....................................................................................................................................27

BILL OF MATERIAL

............................................................................................................................................................... 28

..............................................................................................................................................................28

APPENDIX A. ACCESSORY UNIT

....................................................................................................................................... 31

CCESSORY UNITS

.....................................................................................................................................................................31

APPENDIX B. PRODUCT SPECIFICATIONS

..................................................................................................................... 33

...............................................................................................................................................................................33

ONSUMPTION CURRENT

...........................................................................................................................................................33

NVIRONMENT CONDITION

..........................................................................................................................................................33

MSR READABLE CARDS

..................................................................................................................................................... 33