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LAY
u
poumey,
C)REC
2
oO?
VR2: BALANCE
'
4
AcT-118
s
2
=
s5-1
+
OFF
OFF
2
©
on
ON
ut
Ss:
APE
TAPE
MONITOR | MONITOR 2|
SK-186
ASK-I56
-2
co -
VOLUME
Assty
GWX~323
VRI-l
250k
VRI: VOLUME
ACV-184
$6: LOUDNESS
ASK-155
VRI-2
250k
Di, 12
181555.
5
2
:
g
Qi, 2 2SC1626-0
or Y
03
2sci3I8-R or S
[og cqaol-35R
DIO
MZ-157
)
u
_
°
'
$3-3
A :
;
=
ana
oP-200
05-7
tOE2
D9
IS 2076
L.
9-6-4
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©
V¥V-004
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AAV-004
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fia
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sal
AF
Ass'y
GWK- 128
RIO3
33x
QIdl, 102
2SA798-F or G
Q107, 108
Q105, 106
2SCI735-C
2SCI438-B
in
or D
ov
8
3
oe
om
8
S
34
3.8)
S20
32(27.7) {
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tal
1!
raor
HEADPHONE
Ass'y
GxW-324
i
Fu2 4A | R403 3300/2W)
RUS
100k
QU, 12
2SD883A
-QorR
[-32(-27.7)|
RIN Ok
DIOI~104
1S 2076
Ty
ATT-609 \
FUSE
Ass'y
GWX-332
AC POWER CORD
SuPOWER
ADG - 023
ASK-514
secowons Lr
UNSWITCHED 200W
SWITCHED TOTAL
1OOW
MAX
DIOS, 106
STV-3H
Q103, 104
$7: SUBSONIC
ASK-155
© VR3: TREBLE
a
ACT-117
VR4: BASS
ACT-117
Qlos, 110
2SA850-C or D
2SCI9I9-F or G
R40 C124
-yR3-2 CI26
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7 NGS &
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R404 3300/2W)
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BOOM
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SPEAKER
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8
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12
©
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OF
SPEAKER
A
4.1V/ BQ]
1, RESISTOR;
Indicated in 2, 1/4W, +5% tolerance unless otherwise
noted k; k2, M; MQ, (F); 21%, (G); #2%, (K); 10%
tolerance.
2. CAPACITORS;
Indicated in capacity (uF )/voltage(V) unless otherwise
noted p; pF
Indication
without
voltage is 50V except electrolytic
capacitor.
3. VOLTAGE, CURRENT;
.
'V] ; Signal voltage at 25W + 25W 82 output
5]
: DC voltage (V) at no input signal
Value in ( ) is DC voltage at rated power.
OMA ; OC current at no input signal
4. OTHERS;
:
=>
Signal route.
@ 4 ; Adjusting point.
The A mark
found
on some
component
parts indi-
cates the importance
of the safety
factor of the part.
Therefore,
when
replacing, be sure to use parts of
identical designation.
This is the basic schematic diagram, but the
actual circuit may vary due to improve-
ments in design.
SWITCHED
Sl
POWER
ON-OFF
S2
SPEAKERS
OFF~A-B-A+B
$3.
FUNCTION
TUNER-PHONO-AUX
S4
TAPE
MONITOR
1
OFF-oNn
S5
TAPE
MONITOR
2
OFF-ON
S6
LOUDNESS
OFF-on
S7
SUBSONIC
OFF-ON
The
underlined
indicates
the
switch
position.
SA-5800
8
9
NOTE:
The
indicated
semiconductors
are
representative
ones
only. Other alternative semiconductors may be used and
are listed in the parts list.
2SA850
28C1735
2S8C1919
Lot No
Lot No
Type No
Type No
hre
hre
B
B
c
c
E
E
2SA750
2SC1400
2S8C1318
TyseNe
Lot No
Type No
hre
hee
Lot No
B
E
E
c
c
B
B
2SA798
2SC 1626
Type No
Lot No
hre
BI
cl
E
c2
B2
2SA726S
re
Dot
TA7318P
0
lo
9
'
Cc
ies
Type No
B
£
E
2SB773A
2SD883A
HA12010
4
28C1438
17
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