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SAFETY PRECAUTION
The toliowing precautions should be observed when servcing.
SPECIFICATIONS
FM SECTION
Frequency
range
Usabie
sensitivity
50 dB quieting sensitivity
Signal-to-nosie ratio (at 65 dBf)
Harmonic
distortion
(at 65 dBf)
100 Hz
1 kHz
6 kHz
Frequency
response
Image response
ratio
Spurious response
ratio
IF response
ratio
Alternate channe!
selectivity
Capture
ratio
AM
suppression
ratio
Stereo separation
Muting threshold
Antenna
input
AM SECTION
Frequency
range
Sensitivity
image rejection
IF rejection
Selectivity
Signal-to-noise ratio
Antenna
AUDIO SECTION
Output
RMS
Power
(Both channels driven)
CONTENTS
AM TUNER
ALIGNMENT
°°
PRINTED
WIRING
BOARD
-
CIRCUIT
DIAGRAM
:° + °°:
KEY TO ILLUSTRATIONS
°
MARIAN S2ALA
°
8&8 —
108 MHz
(
} 1S indicated
IHF 'SE
Power bandwidth
Mono
10.8 dBf (1.9uV)
Stereo:
20 dBi (5.5yV)
at & ohms!
Mono.
17 dBf (3.9uV)
Sterec.
37 dB!
(39yV)
Frequency
characteristics
20 Hz —
30 kHz (+2 dE!
Mono.
74 dB
Stereo
68 dB
Harmonic
distortion
(at rated output)
Less than 0.3%
Mono:
0.2%
Stereo.
0.3%
(at 1/2 rated output)
Less than 0.05%
Mone.
0.15%
Stereo:
0.3%
intermodulation distortion
Monc
0.25%
Stereo:
30 Hz —
12 kHz (+2 dB)
98 MHz
: 50 d&
80 dE
80 dB
55 dB
(+400 kHz)
1dB
50 dE
40 dB (1 kHz)
20 dBt (5.5uV)
0.3%
300 ohms
balanced,
75 ohms
unbalanced
530 —
1.605 kHz
15uV (IHF, ext. Antenna)
48 dE
37 dE
34 dB (+ 10 kHz)
53 dB
Loop
antenna
and separate
terminal
25 Watts
per channel.
min.
RMS,
at
8 ohms
trom 40 Hz to 20 KHz. with
no more
tnan 0.3% total harmonic
distortion.
27W
+ 27W
(8 onms. 1 KHz. T.H.D. 0.3%)
30W
+ 30W (4 onms.
1 kHz, T.H.D. 0.3%)
(at rated output}
0 3%
(at 1/2 rated output)
0.05%
input sensitivity
{at 25 W output, 1 kHz)
PHONO
2.5 mV
(46 k ohms)
TAPE
150 mV
(36 k ohms)
Max. input level (PHONO)
120 mV (T.H.D. 0.3% at 1 kHz)
Output tevel
TAPE
OUT
150 mV
(PHONO
at rated
input)
°
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SPECIFICATIONS
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FEATURES'
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DIAL CORD -SETTING=*"*
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GENERAL ALIGNMENT
INSTRUCTION:
-
FM TUNER
ALIGNMENT
-+ ere seees
DISASSEMBLY
AND
REPLACEMENT:
BLOCK
DIAGRAM:
«+r errr ee eees®
REPLACEMENT
PARTS
LIST
«+:
°°
Omn
Ob
WWW
-
20 Hz —
20 kHz (1/2 RMS
power,
T.H.D.
0.3%
150 mV
(FM
400 Hz. 30%
dev. input: 1 mV)
150 mV
(AM 400 Hz, 30%
mod.
input:
5 mV/m)
Signal-to-noise
ratio
(HF, A network,
rated power)
PHONO
70 dE
TAPE
9z2 dB
Damping
tactor
25 (50Hz. & onms)
Equalizer
RIAA
+ 0.5 dB
Bass control!
+ 10 dB (100 Hz}
Trebie contro!
+ & dB (10 kHz)
Loudness contro!
+9 dB (100 Hz)
FM
Muting
Providec
Tape monitor
1
VECTOR TUNING indicators
3 LEDs
Speakers switch
MAIN.
REMOTE
some
other countries)
Power
requirements
Power consumption
AC 120 V 60 Hz.~220V
50/60
Hz.
~ 240 V 50/60
Hz or
~ 120 V/220 V/240 V 50/60
Hz
140W
(at 1/3 rated output).
210 W (at rated output}
Dimensions
435 (W) x
83 (H}
x
290(D) mm
17-1/8 (W) = 3.1/4 (H} x 191-13/32 (D) in.
Weight
5.7 kg (12.51bs_.)
STEREO RECEIVER
February 1981
io
and
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