271
POWER SUPPLY
1.
Install the power supply (six screws).
(Page 1
of
2)
CAUTION
Removal
Be
sure
to
install the
Y1
cable retainer.
1.
Disconnect the mainline cord from the AC outlet.
2.
Connect the
Y1
connector
to
the A 1 board.
2.
Remove the power supply outer cover (eight
screws).
CAUTION
/
Do not pinch any cables.
"'_/
3. Remove the
I/O
interface port (three flathead
screws).
3.
Install the power supply cover on the end adjacent
4.
Remove the
I/O
cable driver (A2) card from the
to
the fan.
~
(
\
A1
board.
4.
Connect the J 1 connector into the AC power box
5.
Remove the black cover from the underside
of
the
and clamp the cables (two clamps)
to
the base.
I/O
interface port (three screws).
5.
Install the
DC
power cable in the
I/O
interface
CAUTION
port. Do not tighten the
two
screws.
Observe the
DC
power cable from the
I/O
interface port
for
folding and routing. The
new
6.
Using the
I/O
cable asssembly from the 5103
power supply cable needs
to
be
folded and routed
Printer or the 5106 Auxiliary Tape Unit, fasten the
the same way
to
allow maximum air flow.
I/O
cable assembly
to
the
I/O
interface port
to
ensure proper
DC
power cable connector
alignment. Tighten the
two
screws holding the
DC
power cable in the
I/O
interface port.
Remove the
DC
power cable from the
I/O
."
6.
7. Remove the
I/O
cable assembly from the
I/O
interface port (two screws).
interface port.
.-/1
7.
Remove the J 1 connector from the AC power box
8.
Install the black cover on the underside
of
the
I/O
(see 207) and remove the cable from the
two
interface port.
clamps holding
it
to
the base.
9.
Install the
I/O
cable driver (A2) card into the
A1
8.
Remove the power supply cover
on
the end
board.
adjacent
to
the fan; the tabs
can
be
forced out
with a screwdriver.
10. Install the
I/O
interface port (three screws).
9.
Remove the
Y1
cable retainer.
CAUTION
The cables
to
the
A2
card must
be
routed outside
10.
Disconnect the
Y1
connector from the A 1 board.
the power supply outer cover
as
shown in reference
201. Improperly routed cables can cause
11. Remove the power supply (six screws).
unpredictable errors.
Replacement
CAUTION
11.
Install the power supply outer cover (eight screws).
When replacing the power supply, refer
to
the following
illustration
for
the correct cable routing
II.
Improper
12. Connect the mainline cord
to
the AC outlet.
routing can cause air
flow
blockage and result
in
an
overheated power supply
or
damaged cables.
2-50
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