IBM 4685-K03 - Manual (Page 14)

xiv IBM 4685-K03 Installation, Operation and Maintenance Guide
DAILY CARE ............................................................................................................................................................................ 12
CHAPTER 4 “REPLACING THE KEYS” ............................................................................................................................. 15
REPLACING A SINGLE KEY ................................................................................................................................................ 15
R EMOVAL
....................................................................................................................................................................................15
A TTACHING
.................................................................................................................................................................................16
REPLACING A DOUBLE KEY .............................................................................................................................................. 17
R EMOVAL
....................................................................................................................................................................................17
A TTACHING
.................................................................................................................................................................................18
REPLACING A QUADRUPLE KEY ...................................................................................................................................... 19
R EMOVAL
....................................................................................................................................................................................19
A TTACHING
.................................................................................................................................................................................19
CHAPTER 5 “MAINTENANCE OF THE KEYBOARD” ..................................................................................................... 21
IF PROBLEMS OCCUR ......................................................................................................................................................... 21
DIAGNOSTIC TESTS ............................................................................................................................................................. 22
S ELF - DIAGNOSTIC TESTS
............................................................................................................................................................22
REMOVING AND REPLACING PARTS ............................................................................................................................... 24
R EPLACING THE REAR COVER
....................................................................................................................................................24
R EPLACING THE CONTROL CARD
...............................................................................................................................................25
R EPLACING THE MSR ................................................................................................................................................................25
R EPLACING THE MODE KEY
........................................................................................................................................................27
R EPLACING THE SPEAKER
..........................................................................................................................................................27
R EPLACING THE TOP COVER ASSEMBLY
.....................................................................................................................................27
BILL OF MATERIAL ............................................................................................................................................................... 28
A SSEMBLY : K EYBOARD
..............................................................................................................................................................28
APPENDIX A. ACCESSORY UNIT ....................................................................................................................................... 31
A CCESSORY UNITS
.....................................................................................................................................................................31
APPENDIX B. PRODUCT SPECIFICATIONS ..................................................................................................................... 33
D IMENSIONS
...............................................................................................................................................................................33
C ONSUMPTION CURRENT
...........................................................................................................................................................33
E NVIRONMENT CONDITION
..........................................................................................................................................................33
MSR READABLE CARDS ..................................................................................................................................................... 33