Sansui RZ-3000 Service Manual

//
SANSUI
SERVICE
MANUAL
RZ-3000
COMPUTERIZED
STEREO RECEIVER
CAUTION
1
.
Parts
identified
by the
A
symbol on
the
schematic diagram
and
the parts
list
are
critical
for safety.
Use
only
replacement
parts that
have
critical
characteristics
recommended
by
the manufacturer.
2.
Make
leakage-current or
resistance
measurements
to
determine
that
exposed parts are acceptably insulated
from
the
supply
circuit
before returning the
appliance
to
the
customer.
NOTE
The
symbols, UL,
CSA, SEV,
EU, SS,
EG
&
XX
<EXPORT>
on
the parts
list
and
the
schematic diagram
mean
followings
respectively.
UL
Manufactured
for
U.S.A
market.
SS Manufactured
for
Saudi Arabia market.
(Underwriters Laboratories
approved
model.)
EG
Manufactured
for
F.R.
West Germany
market.
CSA
Manufactured
for
Canadian
market.
XX
< EXPORT
>
Standard Version
SEV
Manufactured
for
Swiss market.
NON MARK Common
Parts.
EU
Manufactured
for
European
market.
•SPECIFICATIONS
Audio
section
Power output
Min.
RMS, both channels
driven,
from 20
to
20,000
Hz
with
no
more
than
0.09%
total
harmonic
distortion
50 watts per
channel
into
8
ohms
DIN
65 watts per
channel
into
8
ohms.
Total
harmonic
distortion less
than
0.09%
at
or
below
rated min.
RMS
power output
Load
impedance
4~
16
ohms
Input
sensitivity
and impedance
(1
kHz)
PHONO
2.5
mV/47 kohms
CD
200
mV/47 kohms
TAPE PLAY 150
mV/47 kohms
Frequency response
(at
1
watt)
10
to
70,000 Hz,
+
1
dB,
-3
dB
Signal to noise ratio (short-circuit,
A-network)
PHONO
73
dB
CD, TAPE PLAY 90
dB
Controls
BASS
±8
dB
at
50
Hz
TREBLE
±7
dB
at
10
kHz
LOUDNESS +10 dB
at
50
Hz
+6
dB
at
10
kHz
(VOLUME:
—30
dB
position)
FM
section
Tuning range
88
to
108
MHz
Usable
sensitivity
Mono
IHF 13.2
dBf
(2.5 /A/:
T-100)
50
dB
quieting sensitivity
Stereo
40 dBf
Signal
to noise ratio
(at
65
dBf)
Stereo
70
dB
Distortion
(at
65 dBf)
Stereo
less
than
0.3%
at
1,000
Hz
Stereo separation
40 dB
at
1,000
Hz
AM
section
Tuning range 530
to
1,600
kHz
Usable
sensitivity
(Loop antenna)
55
dB/m
(562
pV/m)
Signal to noise
ratio
40
dB
Others
Power
requirements
120/220/240V
50/60
Hz
For U.S.A.
and Canada 120V
(60
Hz)
Power consumption
280 watts
320
VA
Rated
410
watts
Maximum
Dimensions
430
mm
(16-15/16")
W
125
mm
(4-15/16")
H
335
mm
(13-1/4")
D
Weight 9.5 kg (20.9
lbs)
net
10.9
kg
(24.0
lbs)
packed
RS-1070
..
Infra-red ray pulse
system
..
DC
3V
..
60
mm
(2-3/8")
W
17
mm
(11/16")
H
121
mm
(4-13/16")
D
..
65
g
(0.1
lbs)
including dry
batteries
* Design and specifications subject to changes
without notice for im-
provements.
*
Due
to local laws
and
regulations, this unit sold in
some
areas
is
not
equipped with variable voltage selector.
Remote
controller:
Control system
Power requirements
Dimensions
Weight