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SCHEMATIC
DIAGRAM OF MODEL SG-160A
TR7o1,702
TR703.704
TR705.706
TR 707,708
TR2oi
D2o1
TR202
TR203
D202
2SAGE6
2SAS64
2SB405
2sD72
2sc829
OASO0
28C829
2Sc829
OAsO
Ist
AF AMP
2nd AF AMP
Output
CONV.
D.AGC
Ist IF AMP,
2nd IF AMP.
DET.
-
SUP6 680
SUP2480-|
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2SB175
2SB324
i
,
Band
Switch.
AC BIAS OSC
BIAS AMP
&
st-9
Sicese eal
§
O
FN
Reoe
RasalOOkTR<204:7k
:
12k
0802
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MW
OSC
Coil
SW
OSC
Coil
—
«
Raoe 22k
4 €4100.033
C4i2MQ001
ST-3
=
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-
3
2
~ ~
NONES
Ceoe visor
(MCi-7)
i
Can)
'0
"
"
+
it?
9
o
9
|, SF 1~SF10:Function Selector Switch
in
"MW"
Position.
:
CaM BOO
Cai2M0.0022
Reos
ome
ui 7
Lz
2"
,
2°
5
2k
'
5
(1.Common 2, Tape 3.Phono 4.MW 5.SWI 6.SW2)
Laos
TR 401.402
TR403.404
Ferrite Antenna
L201 L2oz Leos
L203
1
2,STI~STI2: Play—Record
Switch
in "Play" Position.
Reor 22k
2SB173
288173
Dso2.803
IFT Tzoi Teoz T2039
AC BIAS
3.S1
+ Cassette Motor Switch in "OFF" Position
EQUALIZER PRE AMP
EQUALIZER PRE
AMP
OASO
TRAP COIL Lece Leos OSC COIL
caiseter
;
:
anges
:
Sooo
ty
LEVEL METER
03 40
Base
4.82
'Phono
Motor
Switch
in
OFF"
Position.
CeJi200P
Cais M0,0022
RECT
02
5.S3
? BATT/AC
Switch
in
"AC"
Position.
O!|
60
Emittor
6.S4
! Power
Source
Switch
"OFF"
Position,
a
2
Collector
ase,
7.Ss-i~
5-2 : Speaker ON-OFF
Switch
in "ON" Position.
8.S6
: Power
Voltage
Selector
Switch
in "225-250"
Position.
TR701,702,703 TR401.402403.404.
Emittor
(1.Common 2.100~115V 3.115~I30V 4,200~225v 5.225~250v)
x"
POR TOS Bolie02
9, DC
voltages
are
to be measured
with
VTVM
under
no
signal
condition
at MW
position.
990900000900909000000000000000000000000
#231
31235
1'2712312312312
p2si
25123123
10. Letters
M,K,J,Z
and
P indicate
allowable
tolerance
of capacitors
as
follows.
'
Ju
Jt
Jt
Jt
su
yu
-
4
_
Jt
Jt
4
+209
+109
+59,
+B0%
_+100%
ST;
STz2
ST3
STe
STs
STs
ST7
STs
ST9
STio
ST
STi2
M=2t20%
K=t10%
J=t5%
Z=-20%
P=-o%
Play- Record
Switch
gor
802 804.
803
805
216
201
202 203
204
430
205 206
207
208 209
210 211 212 215 213 214
701
703
705-707-709.
713.
TH
71S
TIT TI.
3.4
R
806
401
403
405
411
409
407
413
417
415
419 423 431 421 425
429
808
809
702
704
706
1,2,
TIO
7i4S
712
716
718
720
6.7
SCHEMATIC
DIAGRAM
807
402
404
406
4B 410 408 414 418 416 420 424.432 422
426
Model No. SG- 160A
801
5
201 202
223
205
208
207
209.222
213
2u
2i2
214
215
216 217
219
220
221
224
7
4
715
701
703 705 707 709
7II
713
Cc
803
203
206
806
808
810
Bi2,
210
403
40)
417
407
405 409
412
411218
415
4is8
8
2
702
704
706
708
710
7i2
903
714
804 802 204
805
807
809
ai
813
404 402
408 406410
416 412,416
3
6
301
02
904
4
SG-160A/160F
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