Yaskawa i80M Maintenance Manual - Manual (Page 197)

(3) Checking Functions After Replacement
(a) Check that and outputs are not
shorted due to overloading.
(b) Apply the first power and second power again and
check that no alarm occurs.
(c) Check that switches on the machine control panel
can be operated.
6.2.1.4 9“ MONOCHROME GRAPHIC CRT
Removal
(a)
(b)
Check that AC input power is not supplied [the
SOURCE indication lamp (green ) of the power unit
is off], then pull out the cable connected to CNB of
model JANCD-FC900B.
Loosen the mounting screws and remove CRT from
the control panel.
(2) Installation
(a) Check the model and REV number of the replacement
module for consistency.
(b) Insert the cable to the original position.
(3) Checking Functions After Replacement
(a) Check that and outputs are not
shorted due to overloading.
(b) Apply the first power and second power again and
check that no alarm occurs.
(c) Check that the brightness and contrast of the CRT
are normal.
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