SECTION
C
Removing
Installing
SECTION
D
Removing
l.
2.
3.
4.
5.
6.
7.
8.
9.
Replacing EPS-J6 PLUS Modules (RACK ONLY)
Replacing the Rack KPC Simulator Board
Remove all cables connected
to
the
EPS-16
PLUS Rack, including the power
cord.
Remove the lid (see
Section A).
Remove the control panel (see
Section B)
OR
remove the transfonner (see Section
E).
Disconnect the 20-pin ribbon cable from the KPC simulator board.
Pop. the
KPC
simulator board from the four white standoffs
by
squeezing the
standoffs.
Install the
new
KPC simulator board onto the standoffs making
sure
the side
of
the board with the 2O-pin connector is closest to the base
of
the unit.
Connect the 20-pin ribbon cable making sure that the striped side is
on
pin
1.
Reinstall the control panel (see Section B)
OR
the transfonner (see Section E).
Power up, test the
unit, and reattach the lid (see Section A).
Replacing the Rack Power Supply
Board
1. Remove all cables connected
to
the
EPS-16
PLUS Rack, including the power
cord.
2.
Remove the lid (see Section A).
3.
Disconnect the 9-pin cables
(Jl,
J4), the 6-pin cable (13), and the
4-pin
cable (J2)
.
from
the
Power
Supply Board. Note that these cables are keyed.
IMPORT
ANT!
The connector on the 9-pin cable from
the
transfonner
has
a high retention force.
Please
use
a scribe, screwdriver,
or
similar tool to remove it (see
p.
4). Do not
pull
on
the wires!
Installing
4.
Carefully tip the unit onto its
rear
paneL While holding onto the
Power
Supply
board with one hand., remove the three screws from the bottom that attach it to
the
base.
S. Remove the
Power
Supply board.
6.
Insert the replacement Power Supply Board.
7.
Reinstall the
Power
Supply screws. Carefully reconnect the four
cables,
paying
particular attention
to
the alignment
of
pins and connectors.
8.
Power
up, test the unit, and reattach the
lid
(see Section A).
EPS-16
PLUS Service Manual
page
39
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