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Technics ST-G460 - Page 8

Technics ST-G460
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ST-G460
ST-G460
m@
BLOCK
DIAGRAM
4
FM
MONO
DISTORTION
adj.
Oe
:
TIO1.102
FM
DET
COIL
IC
101
FM
ANT
ZOO|
FM
FRONT
END
EM-1F
AMP
‘eiee
(—_----—
CC
Ce
ee
-——
oS
FM
IF
&
DET
|
7]
|
ano7e
|
:
|
24]
24
21}
2
19
6
AM
DET
Forl
GCN
PX
]areds..|
|
CFIOI
|
11C
101)
|
°
|
CFI02
[~
7
“Yr
woe
ny
y
On
read
|
y
Tau
|
8
Fer
25
FN-I
ss
RF
am
MI
X
b
M-Ist
FM-2nd
12
ty
v
iM
P
EMITTER
|_
Ja]
6
e
tal
vo")
IF
AMP
IF
AMP
y—¢B)
>
_
:
FOLLOWER
|
.
ZOO
8
6
aid
ose
|
|
rae
se
z
CURRENT
|
DRIVER
5
2
4
|
8)
|
STABILIZER
|
|
FM
DET
fo—4
eure
7
For
{EG,E!J
areas.
L
ae
oe
oe
=
FM
L
7
le
LEVEL
Gan
:
—_
oieiaiiendaal
C)
memes
WR
tee
EEE
CE
|
P
FM
OSC
i
5
|
(
+8)
Z201
FM
|
AN7274NS
SSS
Se
Pe
ae
L
IC
102
('3)
AM
ANT
..
eee
|
Ba
eee
|
.
VR101
ee
FM
MONO
~
AN6S54F
|
|
AM
ANT
Coil
AM
OSC
Coil
EM
SIGNAL
SEPARATION
adj.
adj
MICRIEN
cioss
aa
amp
r
ff
i
|
O
O
O
LEVEL
adj.
:
e
O
|
O
0
v
E
AM
Signal
|
OC)
C)
O
+8)
|
:
|
|
ey
ee
Ss
ee
ee
|
_———-—
+=
Oe
Oe
ea
ee
i
.
For
(EG,E!)
areas.
é
ic
102
ee
3
a
iis
-
|
1
ceo
ovo
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pera
pen
SA
:
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|
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|
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ee
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Page
ee]
O)
Reh
L—_
——-
J
6)
66)
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903
FM"H
?
FM/AM
Loop
filter
x90I
(7.2
MHz)
]
D
Q30!
~
Q303
AN7472S
MUTING
exten
7
IC
30]
FM
STEREO
MPX
1C
90!
PLL
FREQUENCY
SYNTHESIZER
rah
18
16
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ee
13
ia
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C)
mE
C)
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ae
©
SRDY
MUTE
MONO
Vss
soc
7
7
O
CLK
SSL30
Q703
,
Q@704
FM
FM
VOLTAGE
A
CONTROL
8)
(
MS0941-421SP
,
)
IC902
STEREO
Notes:
R3
|
|
|
|
|
8
Sd
QO
|
ly
Key
return
signal
KEY
MATRIX
MICROCOMPUTER
T1Q
a
:
FM
Signal
aagpreem
,
|
:
oooqc>:
FM
OSC
|
ee
Sg
|
a:
AM
Signal
|
56
T1
|
|
i
PE
hea
(
|
usm:
AMOSC
|
memory
L
arene
|
5°)
|
rs
eS
(i)
i
cc
()
-Y7-
)
(
Sneng
D701
~
D706
11
7
Q7O!
,
Q702
preset
tuning
down
RESET
©
T70!
For
(EG,EI,GN
J
areas.
ON,
$922
A
aac
OO
O
OO
T2
:
K
i
|
——
.
O)
R T
ey
scan
signa
;
28
a
O
4B)
,
EGULATOR
AG
AN
O)
Signal
T3
O
\
$915
ll
STANDBY
|
x902
ug
$70l
\
fl
T4
(4MHz)
(POWER)
Bee
ge,
Ot
Vos
!
o
be
ee
|
(VOLTAGE
aC
STANDBY
For([G,PX]
areas.
FL
DISPLAY

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