
MIZUHOSI 2009
NW0510 Rev. D
38
10.6 Stepper Controller Tray
Y
X
Figure 16:
Stepper control tray assembly
Replacement procedure:
1. Turn the power switch off. Wait 30 seconds for discharge, then unplug power cord
from wall outlet.
2. Remove pedestal end base cover by removing the six screws using 1/8 in hex key.
WARNING:
Electrical shock hazard exists with access covers removed; use caution when
working in exposed areas.
3. Disconnect red wire from battery A positive terminal.
4. Remove cantilever end base cover by removing the four screws using 1/8 hex key.
WARNING:
Electrical shock hazard exists with access covers removed; use caution when
working in exposed areas.
5. Remove cables from stepper controller PCB.
NOTE:
Cable connectors are not marked, mark as needed.
a. J1 and J2 - To X & Y stepper drivers.
b. P1 - Joystick input.
c. P2 - Com port.
d. P3 - Power in.
e. P4 - Power out.
Stepper control
interface PCB
X-Axis
stepper PCB
Y-Axis
stepper PCB