6.2 MACHINE CONTROL STATION (Cent’d)
6.2.2.3 14“
COLOR GRAPHIC CRT UNIT (MODEL TX1424AD)
( 1 ) Removal
(a) 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-FC905.
(b) Pull out the 200VAC cable connected to CRT.
(c) Loosen the mounting screws and remove CRT from
the con trol panel.
(2) Installation
(a) Check the model and REV number of the replacement
module for consistency.
(b)
Insert
the
cable
to the original position.
(c) Install CRT on the panel.
(3) Checking Functions After Replacement
(a) Check that
+5V,
+12V, and
+24V
otitputs
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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