
B–62075E/04
2. HARDWARE
51
2
HARDWARE
This chapter describes the overall configuration of the CNC control
section, the interconnections between the units, the functions of the PC
boards, and the functions of the modules on the PC boards.
2.1 STRUCTURE 52. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 OUTLINE OF HARDWARE 53. . . . . . . . . . . . . . . . . . . . . . .
2.3 TOTAL CONNECTION 56. . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 INTER–MACHINE CONNECTION 68. . . . . . . . . . . . . . . .
2.5 LIGHTING OF ALARM LEDS ON PCBS 92. . . . . . . . . . .
2.6 LIST OF THE PCBS AND UNITS 163. . . . . . . . . . . . . . . . .
2.7 HOW TO REPLACE THE MODULES 176. . . . . . . . . . . . .
2.8 HOW TO REPLACE THE BATTERIES 177. . . . . . . . . . . .
2.9 HOW TO REPLACE FAN MOTOR 179. . . . . . . . . . . . . . . .
2.10 FUSE REPLACEMENT IN POWER SUPPLY UNIT 181. .
2.11 MAINTENANCE OF HEAT PIPE TYPE
HEAT EXCHANGER 182. . . . . . . . . . . . . . . . . . . . . . . . . . .
2.12 ADJUSTING THE LIQUID–CRYSTAL DISPLAYS 185. . .
2.13 REPLACING THE FUSES OF THE
LIQUID–CRYSTAL DISPLAYS 187. . . . . . . . . . . . . . . . . .
2.14 REPLACING THE LCD BACKLIGHT 188. . . . . . . . . . . . .
2.15 HOW TO REPLACE THE CRT DISPLAY 189. . . . . . . . . .
2.16 HOW TO REPLACE THE MDI KEYBOARD 190. . . . . . .
2.17 HOW TO REPLACE THE CARD CAGE IN THE
CONTROL UNIT 191. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.18 HANDLING MEMORY CARDS 192. . . . . . . . . . . . . . . . . .