Accessory Installation
Guide
C-3
CONTROLLER
INSTALLATION
KIT
98951A
WARNING
LIVE
VOLTAGES
ARE
EXPOSED
INSIDE FLEXIBLE
DISC
MEMORY.
DISCONNECT
POWER
BEFORE BEGINNING IN-
STALLATION. ALSO,
UNIT WEIGHS BETWEEN
45
AND 60
POUNDS
(20 AND 27 KG). BE CAREFUL WHEN LIFTING.
1.
Remove
power
and
interface cables from rear
panel
connectors.
2.
Open
the drive doors
and
pull
at
points A
and
B (as
shown
in Figure
C-1)
to
remove
the front panel.
3. Remove the screw securing
the
HP-IB
connector
retainer hanging below the right
drive (see Figure C -
3)
.
4. Free the
end
of
the
flat, gray HP-IB cable
behind
the retainer
and
bring
it
out
the front
of the slot right
under
the drive.
5.
Slide the controller
board
into the unit from the front,
component
side up. Be
sure
the
flat, gray cable stays
above
the controller
board
with the
connector
out
the
front of the
unit.
6.
Point
the
board
extractors (see Figure
C-2),
located
at
the front corners of the control-
ler
board,
straight
out
and
then
push
the controller
board
as
far into the unit as
possible.
Push
the extractors flat into the controller
board,
thus seating the controller
board
the rest of
the
way into the unit.
7.
Attach
the
connector
on
the
gray, flat cable
onto
the
edge
connector
on
the
right front
side of the controller
board
(J3).
8. Install the retainer for the
HP-IB
connector
just
attached,
as
shown
below in Figure
C-3.
WARNING
THE
9895A
DOES NOT CONTAIN OPERATOR SERVICEABLE
PARTS. IF
THE
FOLLOWING
OPERATION
VERIFICATION
TESTS
DO
NOT
EXECUTE
PROPERLY,
REFER
TROUB-
LESHOOTING
ACTIVITIES
TO
SERVICE-TRAINED
PERSON-
NEL.
9.
Re-connect
the
power
cord
to
the unit.
10. Switch
the
disc
memory
on
and
press
the
self-test switch (see Figure
C-4).
Upon
completion of the test, the LED display
should
have
only the right-most LED
on
(under
the * of
the
ABCD* label). Any
other
final LED display
pattern
indicates
that
the
test has failed.
11.
If
the
above
test failed,
repeat
the test
by
pressing
and
releaSing
the
self-test switch.
Should
the test
repeatedly
fail, refer
to
the
troubleshooting
procedures
in
Chapter
3.
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