Technical information
Installing the Power Supplies
The Expansion Interface contains a storage
compartment
for two
Power Supplies - one for
the
Interface,
the
other
for
the
TRS-80
Computer. Keeping
the
Supplies inside this
Compartment
saves space
and makes the System
more
"manageable".
1.
The entire system should be
OFF
and
both
Power Supplies
unplugged.
2. Remove
the
three phillips-head screws from the Power Supply
Compartment
cover (see Figure 1).
3.
Look
inside the
compartment
and locate
the
round, S-pin DIN
jack
on
the
edge
of
the
Printed Circuit Board (see
the
Detail in
the
Figure below). Connect
the
DIN plug from one
of
the
Power
Supplies
to
this jack. This just-connected Supply will
now
power
the Expansion Interface.
4. Place
the
Expansion Interface Power Supply inside
the
Compartment
as
shown in Figure 1.
5. Next, place
the
TRS-80's Power Supply inside
the
Compartment
as shown in
the
Figure.
6.
Route
the three unconnected cords
(two
AC
powercords, one DIN
cable)
out
of
the
case.
Be
sure
to
seat
them
in the
cutouts
provided in the case.
7. Replace the
Compartment
Cover.
Don't
over-tighten
the
screws
or
you
might damage the case.
8. Connect
the
Power Supply DIN plug
to
your
TRS-80's POWER
jack. But
don't
plug in the
AC
power cords until you've made all
peripheral connections.
Figure
1.
Power Supply installation.
SETTING UP
3