Keyboard (Model Df8203788) - YASKAWA YASNAC i80 Maintenance Manual

6.2 MACHINE CONTROL STATION (Cent'd)

6.2.1.5 KEYBOARD (MODEL DF8203788)

( 1 ) Removal
(a)
(b) Loosen the mounting screws of model JANCD-FC900B
(c) Pull out the cables connected to CN12, CN13, CNA,
(d) Loosen the mounting screws and remove model JAN CD-
(e) Loosen the mounting screws and remove the keyboard
(2) Installation
(a) Check the model and REV number of the
(b) Install keyboard on the control panel.
(c) Install model JANCD-FC900B on the control panel.
(d) Connect the cables to CN12, CN13, CNA, CNB, and
(e) Install model JANCD-FC903-1 on the control panel.
(f) Insert all remaining cables to the original
(a) Check that +5V, +12V, and +24V outputs are not
(b) Apply the first power and second power again and
(c) Check that keys on
190
Check that AC input power is not supplied [the
SOURCE indication lamp (green) of the power unit
is off], then pull out cables connected to CN21,
and remove model JANCD-FC903 from the control
panel,
CNB, and CNC of model JANCD-FC900B.
FC900B from the control panel.
from the control panel.
replacement module for consistency.
CNC of model JANCD-FC900B.
positions.
shorted due to overloading.
check that no alarm occurs.
operated and the buzzer sounds.
control panel can be