Sansui AU-2200 - Block Diagram and Signal Levels

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
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fr
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