19
DISASSEMBLY/ASSEMBLY PROCEDURES
Note: It's advisable to mark or note wiring
configuration before any disassembly
begins. For more information refer to the
Wiring Diagrams Figures 19 and 20.
Note: Refer to Figures 2, 3 and 4 for the
following procedures.
1. Cover Removal
1.1 Use a phillips-head screwdriver to
remove seven screws (3) from the back
and sides of the chassis cover (1) and the
two longer screws that are located in the
center behind the rack-mount brackets.
See Figure 2.
1.2 Lift the back of the cover up, while
moving it forward (front panel) from the
chassis (2). The front lip of the cover is
hinged on the two front angle pieces of the
chassis.
2. Cover Replacement
2.1 Align the cover (1) so its front angle fits
over the chassis.
2.2 Secure the cover to the chassis by
tightening seven screws (3) and the two
longer screws located in the center behind
the rack-mount brackets with a phillips-
head screwdriver. See Figure 2.
Note: Refer to Figure 6 for the following
procedures.
3. Display Board Removal
3.1 Remove the cover (1) using
procedure 1.
3.2 Remove the connectors from
transformer (4) terminals 6-11. This will
give you access to the screw on the
display board (5) which is next to the
transformer.
3.3 Remove two screws (20) on the solder
side of the display board with a phillips-
head screwdriver.
3.4 Move the board back from the chassis
front panel and disconnect the wiring
harness from the display board J1
connector.
3.5 Lift the board out from the chassis.
4. Display Board Replacement
4.1 Connect the wiring harness from the
I/O board (6) to the display board (5)
J1 connector.
4.2 Secure the display board to the chassis
standoffs by tightening two screws (20)
with a phillips-head screwdriver.
Figure 2. Cover Removal Screw Location Side View
Side View
Remove these screws
Do not remove
these screws
front
rear
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