Rear Facilities (0·75) - Crown D-75 Service Manual

Dual-channel power amplifier
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REV.
0
0·75 POWER AMPLIFIER
N
L
M
H
G
K
J
J
K
FIG.
2.2
Rear Facilities
(D-75)
I. Ground Barrier Strip
Isolation
of
chassis
ground from
signal ground
is
easily
accomplished by removing the
shoning
strap
from
this
tenninal
strip.
This may
help
remove
any
hum
problems
caused by "ground
loops."
(Circuit
ground is
isolated
from chassis ground by
2.7 ohms.)
J.
Input Phone Jack
An
unbalanced 1/4 inch phone
jack
is
provided at the
inpul o( each
channel.
~
use
thc
input jack for
channel
2
in
MONO
mode.
K.
Balanced-Input Receptacle
A balanced XLR connector
is
provided at
the
input
of
each
channel.
L.
Fuse
The AC line
is
safelY
fused.
If
the
unit
is configured for
lOOVAC
or
120YAC operation.
a
2 amp
fuse is
used
and
if
SCI
up for
200V
AC.
220V
AC or 240Y
AC,
a
1
amp fuse
is
used.
The
use
of any other
fuse
value
will
invalidatc
the
warranty
M. Power
Cord
A
standard three-wire
(grounded)
AC
cord
with
a
15
amp
plug are
provided
N. Serial Number Sticker
Facilities
2-2

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