Sansui AU-G55X Service Manual

AU G55X G33X
SERVICE
MANUAL
INTEGRATED AMPLIFIER
SAHStl
AU-655X B33X
CAUTION
1
.
Parts identified
by
theAsymbol
on
the
schematic
diagram
and
the parts
list
are
critical
for safety.
Use only replacement
parts that
have
critical
charac-
teristics
recommended
by the manufacturer.
2.
Make
leakage-current or resistance
measurements
to
determine
that
exposed
parts are
acceptably
in-
sulated
from
the
supply
circuit
before
returning the
appliance
to
the
customer.
4
ScltvstlL.
•SPECIFICATIONS
Power
output
<AU-G55X>
Min.
RMS, both channels
driven,
from 20
to
20,000 Hz, with
no
more
than
0.004%
total
harmonic
distortion.
65 watts per
channel
into 8
ohms.
Power output
<AU-G33X>
Min. RMS, both channels
driven,
from 20
to
20,000 Hz, with
no more
than
0.004%
total
harmonic
distortion.
45 watts per channel
into
8
ohms.
Load impedance
8
ohms
Total
harmonic
distortion
less
than 0.004%
at
or
below
rated
min.
RMS
power
output
Intermodulation
distortion
(60
Hz: 7
kHz
-4:1
SMPTE
method)
less
than
0.004%
at rated
power
output
Frequency response
(at
1
watt)
Overall (from
AUX, CD, TUNER,
TAPE
PLAY-1,
2)
....
DC
to 180,000
Hz,
+0
dB
-3.0 dB
RIAA
curve
deviation
(PHONO-MM,
20
Hz
to
20 kHz)
+0.2 dB,
-0.2
dB
Input
sensitivity
and impedance
(at
1
kHz)
PHONO
(MC)
250 jiV/100
ohms
(Max. input capability: 15
mV
at
1
kHz,
less
than
0.008%
total
harmonic
distortion)
PHONO
(MM)
2.5
mV/47 kohms
(Max.
input capability;
150
mV
at
1
kHz,
less
than
0.005%
total
harmonic
distortion)
CD,
AUX
150
mV/47 kohms
TUNER, TAPE
PLAY-1, 2
...
150 mV/47 kohms
Signal to noise ratio
(short-circuit,
A-network)
PHONO
(MC) 67
dB
PHONO
(MM)
85
dB
CD,
AUX
105
dB
TUNER, TAPE
PLAY-1, 2
105
dB
Controls
and
Filter
BASS
+10
dB,
—
8dB
at
50
Hz
TREBLE
±7
dB
at
10kHz
LOUDNESS +9
dB
at
50
Hz
+
5
dB
at
10kHz
(VOLUME:
-30
dB
position)
FILTERS
LOW -3
dB
at
20 Hz
(6
dB/oct)
HIGH
-3
dB
at
10kHz
(6
dB/oct)
Power
requirements
<AU-G55X>
Power
voltage 120/220/240V
(50/60 Hz)
For U.S.A.
& Canada
120V
(60 Hz)
Power
consumption....
290
watts
351
V/K
Rated
440
watts
Maximum
Power
requirements
<AU-G33X>
Power
voltage
1
20/220/2 40V (50/60 Hz)
For U.S.A.
&
Canada
120V
(60 Hz)
Power
consumption....
260
watts
321
V/A Rated
400
watts
Maxinnum
Dimensions 430
mm
(16-15/1
6*)
W
111
mm
(4-3lr>
H
329
mm
(13
4
|
[>
Weight
<AU-G55X>
8.4 kg
(18.5
lbs)
net
9.5
kg
(20.9
bs)
packed
Weight
<
AU-G33X >
8.1
kg
(17.9
bs)
net
9.2
kg
(20.3
bs)
packed
* Design and
specifications subject to changes vtthoeJ* notice for im-
provements.
*
Due
to local laws
and
regulations, this unit soki
i
$^me
areas are
not
equipped with
variable voltage seledtors.
SANSUI ELECTRIC
CO.,
LTD