Technics SA-203

1
2
3
4
5
6
7
8 9
10
TUNER
CIRCUIT
FM
OFFSET
VOLTAGE
x
Q!
Q2
Q40!1~_
404
.
25KS5o"
2SC1674
2SC1675_séox
cri0z
2SC2320L
FM
RF
signal
FM
RF
a
|
=
MIXER osc
yl.
7
|
a3
:
aoe
OIFFERENTIAL
A
lok
log
KIOP
(a
C5
cl.sP
Ce)
s\s
|
G
2
x
45
5|a| &
*
5
8
a
|
es)
100.
sgvs.3
940!
FM_ANT
rah
ig5
5
4
2
eae
minnie
a
(7592.
COAXIAL)
Oo]
og
a
R84 2.7K
R83 2.7K
AM RF
signal
S
3 czea 4203-4202 |
O) 2
2
AM ANT
C301 50V4.7
t ae
clo 20.001
FM MUTING/ MODE
off/FM mono
°
S2-t
10P
4% Muting py RIO 18K - Se
oe, , on/FM auto SUP25370
i C302 S0Vv2.2 RIS! 18K
RIO! 820
j c3l2 5
Cc mi me ee ae Mie Bia RIT he A 306| C305¢ 50V0.47 | R3I29)0 roman
(3) (8) G8) 8) a} CO]
SVIUPC II6LC
(2.6] (26) (2.6) 26] (2.6) (14-4)
AF signal
(R ch.)
AF signal
(L ch.)
(5.5) (0.8)
,] [-0
0301
@MAI50
C303, KO.047
{t-
50V0.47
o
Ny} 100
ot
°
3) 52 Q30!
$2-2 O m
oft/EM
mono
&”
PLL
VCO
adj.
ener
CONTROL
10K
GND
C)
LED
DRIVER
Q302,
303
(L
ch)
2SC945
2SC945
DC
AMP
MUTING
PHONO
E
AUX
Q202
e304
2SA733
2SA564
rREC
OUT
0.7)
[36]
SWITCHING
TAPE
LPLAYBACK
Q203,
204
Q205,
206
MUTING
CONTROL
q
2SC945
2SC
1318
CIRCUIT
8
ono
(R
ch)
n
8
PHONO
x
LED
DRIVE
CIRCUIT
DIAL
INDICATOR
CIRCUIT
AUX
So
EES
Co
ET
EE
ai
eee
F
Pf
rREC
OUT
TAPE
LPL_AYBACK
Notes:
4,
SA:
1.
$1-1
~$1-4:
Selector
switch
in
‘’FM”
position.
SVDPR5532K
Gaanees
Faceetuy
AM
<>
FM
<=
phono
<>
aux
5.
S5:
Pee
care
vee
OA
AC)
2.
$2-1
~$2-2:
FM
muting/FM
mode
switch
in
“‘on/FM
auto”
position.
6.
S6:
peo
ele
HM
on/FM
auto,
m
off/FM
mono
7.
S7:
SVDAY
24340
ae
.
is
3.
$3:
Tape
monitor
switch
in
“source”
position.
8.
S8:
NOICATORS
SIGNAL-
STRENGTH
INDICATOR
DIAL
INDICATOR
(12v
006A)
source,
=m
tape
SUP21375C