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Technics QUARTZ ST-S4 - Page 15

Technics QUARTZ ST-S4
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.
:
Notes:
a
SCH
EMATIC
DIAG
RAM
.
(This
schematic
diagram
may
be
modified
at
any
time
with
the
development
of
new
technology.)
e
$1:
Power
switch
in
“on”
position.
$2:
FM
IF
band
switch
in
‘‘normal’”’
|
:
FM
mode
switch
in
‘‘auto”’
positi
S4:
Memory
switch
$5,6:
Tuning
switch
E&
a
S6
up
Preset-tuning
switch
S7
Ich,
Qch,
S83:
|
sio—
Ach,
12ch,
S11—
$13
7ch,
15ch,
S14
7.
$15,16:
Band
selector
switch
eB
5
FM
S16
——
AM
1
xs
|
3
4
5
6
7
Sa
Oa
Ww
Oo)
~
a
oS
Product
for
[EG]
FM
IF
signal
(normal)
stg
wpe
ly”
RIiO7
10Kaw
ir
.8)
Oak
)
12.4)
DIO
——
<
RIiIO8
6.8K
MIX
©
250945
4
|
ox
an
ee
_
|
S
a
|
a
a
ee
§
piel
ee
is
sOEOe
z©*
vi02
'
ie
+4
‘s
O
O
——>
:
Nes)
Ur
LT
FM
iF
signal
.
"
|
|
|
|
R510
|
a/2]2
S
3
|
(Super
narrow)
«
Ql
-
+o
«
a
Lea
4be
rae
zg
(om
8
.001)
x
oo!
7°]
8
gaat
SS
~
8
x
Oo
Sirsos
I
B
©
~
30
=
wIeToT
|
)
w
zr7O
*
tr
|
r
+t
F
|
+FM
OSC
signal
Praea
=
AM
ANT
O
T
g
SVDBB3I2
2SKI95
i
2
Q101,
102
D201
AM
VARIABLE
93,4
Er,
°
RIS
220
=
2SC
1675
ff
anes
nae
Tl
CAPACITOR
;
ms
=
MA320GIN|
2SCI675
7
ae
:
ee
ane
eas
4
=
Leo
VARIABLE
CAPACI
FM
OSC
BUFFER
Og.
RIG
TES
5:
5,
eases
au
ne
t
i
Ci7
=
'
8P
[4
J
cos
ip
ron
°
86
88
ag
3
io
A
[o.7S
S
=|
|
ia
100K
RIS
10K
RiI6
1.8K
C22
+—
Products
for
[XA]
and
SVYAPB
SO3C-E
PRE
SCALER
7M
0902~
904
2901
206
94D
2Sh(33
R905
LOOP
FILTER
SWITCHING
K
et
ee
ot
k
x
$D
FM
PSC
INT
AM
Op
lamp
\F
LW
FM
AM
@
Ga"
(5.2)
ty
:
ic9o1
SVID
1704C514
(0)
|
eu
E
3
C0
7)
4)
(9)
ES
ES
ES
ee
«
[5.3]
xt
X2
mute
di!
42.
«43
44
65
46;
K3
k2
KI
KO
9
cgia
C916
(3}-—12)+-()
;
20
6V3.5F
Ieee
680
D909
AM
9kHz
AM
10khz
FM
0.05MHz]
re
O2MHi
FMAM
-
frame
|
60)
H
FM/AM
allocation
Mee
cn
ae
i
ae
ee
ae
85)-@4)-83-83-S)
0-63
e8)
eRe
eee
rbboo0oooo.
F
62
o2
f2
C2
Gl
uv
MHz
g
FM
G2
b2
e2
G3
g2
C
e
G
GS
4d
LW
f
G
b
memo
J
memo
7auto
memo
Frequency
display
tube
SAD7MT29ZA
FL