TIP-SLEEVE
PHONE PLUG
INTERCONNECTING
CABLE
TO ISOLATION
TRANSFORMER
&
INTERCONNECTING
CABLE
Figure 10 — Using An Isolation Transformer to Float (or Balance) the Cable Between a
5234A
Output
& a Floating (or Balanced) Load
UNBALANCED
OUTPUT OF
MIXER, GRAPHIC EQ,
OR
OTHER SIGNAL
SOURCE
ISOLATION TRANSFORMER
(MOUNT
CLOSE
TO SIGNAL
SOURCE
OUTPUT)
FROM INTERCONNECTING
CABLE
& ISOLATION
TRANSFORMER
TIP-RING-SLEEVE
PHONE PLUG
Figure 11 — Using An Isolation Transformer to Float the
Input
Cable to the
5234A
AC
Power Connection & Line Voltage Conversion
The
5234A can be powered
from
either 100 to
120 V AC or 200 to 240 V AC 50 or 60 Hz mains.
The
SUPPLY
VOLTAGE
SELECT
switch on the
rear panel converts the
unit from
one
operating
range to the
other
(Figure 8). As shipped, the
unit
is
set for 100 to 120 V AC operation, and the line
cord
provided
is suitable for use in the U.S.,
Canada
or
Japan.
To convert the
unit
for
operation
with
other
mains voltages or
outlet
types, use the
following
procedure.
1.
Be sure the 5234A is not connected to any
power source.
2.
Slide the
SUPPLY
VOLTAGE
SELECT
switch to the
appropriate
range.
3.
Execute one of these two alternatives:
a)
Remove the
bottom
cover by
removing
the
two small Phillips head screws on each side of
the
case,
(Figure 3) and change the line
cord
to one whose attachment
plug
matches the
power receptacle. Secure the new
cord
to the
chassis
with
a feed
through
cable clamp. Also,
be sure to solder the high, neutral and
ground
conductors to the same terminals
from
which
the corresponding conductors of the
original
cord
were removed.*
— or —
b) Install a suitable adapter to mate the
plug
on the existing line
cord
with
the power
receptacle.
NOTE:
Any line cord or adapter
used
for 200-240 V
operation in the U.S., Canada or Japan must be both
U.L.
listed and
C.S.A.
certified. For 240 VAC,
50/60 Hz operation in other countries,
select
a line
cord
based
on governing local regulations.
CAUTION: This
unit
may be damaged if operated
with
the supply voltage select switch set incorrectly
for the line voltage applied. Also, verify the mains
are AC
since,
in some countries as well as certain
areas
within
the U.S., DC mains exist.
*l n U.S.A. versions, the black wire is
"hot",
the
white
wire is
"neutral," and the green wire is
ground.
In European versions,
blue
is
"hot",
brown
is "neutral," and green/yellow is
ground.
7
AS
BELOW
AS
BELOW
AS
BELOW
OR
BALANCED
OR FLOATING
AMPLIFIER
INPUT
600 SI: 600n
ISOLATION
TRANSFORMER
(MOUNT
CLOSE
TO
5234A)
JCASE
AND/OR
ELECTROSTATIC
SHIELD
GROUND
AS
BELOW
INTERCONNECTING
CABLE
600 SI: 600
SI
OR
10Kn:10K SI
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