Expert TA-930 Service Manual

SERVICE
MANUAL
ExpGrl
TA-930
Stereo Receiver
SPECIFICATIONS
FM
SECTION
AUDTO
SECTION
Tuning
Bange:
87.5
-
108
MHz
Power
Output:
30 watts
per channel,
minimum
Usable
Sensitivity
(lHF)
continuous both
channels
driven into
Mono:
2
pV
8 ohms
from 40
Hz
to
20 kHz
with
Stereo:
4 ttY
no more than 0.3%
total
harmonic
50 dB
Ouieting
Sensitivity
distortion.
Mono:
4
yV
Total Harmonic Distortion:
Less
than 0.3% at rated power into
Stereo:
40
pV
I
ohms
(40
Hz
to 20
kHz)
Signal-to-Noise
Ratio
lntermodulation Distortion:
Less
than 0.3%
at rated power
into 8
(Mono):
14
dB
ohms
(70
Hz
:7
kHz
=
4
:
1l
Frequency
Response:
40
-
1
5,000 Hz
(t
2
dB)
Powerband
Width:
40
Hz
-
20
k{z
Harmonic
Distortion
Residual
Noise:
0.5 mV
Mono:
0.15%
Damping
Factor:
30 at
8
ohms
Stereo:
O.3o/o
lnput
Sensitivity/lmpedance
Capture
Ratio:
1 5
dB Phono:
2.5 mV/47 kohms
Adjacent
Channel
Selectivity (r20O
kHz) AUX:
150 mV/47 kohms
Minimum:
15
dB
Tape
Play:
150
mV/47
kohms
Spurious
Response
Ratio:
75
dB
Maximum
lnput
Level:
100 mV
(Phono)
lmage
Bejection:
55
dB
Signal-to-Noise Ratio
(lHF
A)
lF
Reiection:
66
dB Phono:
64
dB
AM
Suppression
Ratio:
50
dB
AUX,
Tape:
84 dB
Muting
Threshold:
0.9
-
1
5
pV
Tone Controls
Stereo
Separation Bass:
t
8
dB
at
100
Hz
1,000
Hz:
45
dB Treble:
I I
dB
at
10 kHz
100
-
10,000
Hz:
38
dB
Loudness
Control:
+ 8 dB
at
100
Hz
Stereo
Threshold:
15
pV
(-30
dB Volume
Level)
+
4
dB at 10 kHz
SCA
Rejection
Ratio:
60
dB
Low
Filter:
3O
Hz
(-6
dB/oct.)
Sub-carrier
Suppression:
60
dB
Output
Level
'Tape-Rec.:
'150
mV
AM SECTION Headphones:
350
mV
Tuning
Range
MW:
515
-
'l
,620
kHz
Speaker
lmpedance:
4
-
16
ohms
Usable
Sensitivity
MW:
20
ttY
lmage
Bejection (MW)
:
45
dB
GENERAL
I
F Rejection
(MW)
:
40
dB
Power
Consumption:
120
watts
Harmonic
Distortion:
O.5/o
Power
Supply:
220V AC, 50
Hz
Dimensions:
442(Wl x 385(D) x 130(H)
mm
Weight
(Net):
8.8
kg
(19.4
lbs.)
SPECIFICATIONS
AND
DESIGN
ARE
SUBJECT
TO
CHANGE WITHOUT NOTICE.