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AU
-22oo
CIRCUIT
ai-m'T--t
I
ir2l
ACCESSORY
ACCESSORY
CIRCUIT
ACCESSORY
ctRCLIT
S05
(o^'c)
I
l.
^
t .
3.
4.
5.
TOT.IE
CONTROL
clRcutT
POWER
SPEAKERS
POWER OFF
A
SPEAKER
OFF
B
A+B
VOLUME
CIRCUIT
TONE
CONTROL CIRCUIT
aF:mil
f-r-2ffil
VRO4
BASS
VR
VRO6
TREBLE
VR
PHONO
TUNER
AUX
Í-REC
TAPE
Lpmv
PHONO
TUNER
AUX
TREC
TAPE
LplRv
s0l
(o^,t)
I
SELECToR
l.
MIC
(o^'d)
2.
PHONO
(e^'h)
3. TUNER
(i'^,J)
4.
AUX
(k,
!)
,\lrl
L-
b)
:
LoUDNESS
S03
(o,
b)
I
H
IGH
F
ILTER
I.
OUT
I.
OUT
2.
rN
2.
lN
»»
1
__l
Conditions of
Level Measuring
XValue
of
each
level
in
block
diagram was
measured
by the followings.
1.
MASTER
VOLUME
.
.
Maximum
2.
BASS, TREBLE,
BALANCE
volu
me
Center
3.
lnput
.
.
.
.PHONO 2.0mV
lkïz
Sine Wave
AUX
100mV
lkHz
Sine
Wave
(output
impedance
of
600O
at
an
aud
io oscillator)
4. Output
9V (10W)
BO
Note:
Each
voltage
value
is
for
reference
and
measured
by
a
VTVM.
ln
some
recorders, the actual voltage
value
is
in
m
inor
d
ifference
f
ro
m the
reference
va
I
ue.
3
2.
BLOCK DIAGRAM AND VALUE
OF EACH LEVEL
EQUALTZER
crRct
T
ï-m
s0
I
(m,
n)
I
TAPE MON
lrOR
S02
(o,
I.
SOURCE
2.
PLAYBACK
100mV
-4ld8
MAIN
&
POWER CIRCI..IIT
I{EADPHONES
JacK
F
E
6
=
À
o.
3
.t7
fr
=
I
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