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Sony ST-V702 - Page 7

Sony ST-V702
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ST-
V502
3-4.
TUNER
SECTION
SCHEMATIC
DIAGRAM
1
2
3
4
5
6
7
ST-
V502
C21
LA1858N
FM
DET,
MPX
AM
IF,
DET
10
{TUNER
BOARD]
A
Fel
FM
FRONT-END
oy
scree
)
FM
IF
AMP
g3
2sca669
|
FM
IF
AMP
AEP,UK
FM:1.9
~
7.6V
5
EP.
UK
i]
{
O
6
OOOO
:
Se
()
Ch
*
1
RV24
:
sf
aE
EES
#
|
er
:
3
Be
o
SOAMIBL
WG,1T:3.6
7
2
8
,
B
E
»
AM
Hi
“Rist
a
Bd
884
c3
ees
WG,
IT
‘MODEL
AEP,UK
MODEL
ee
ee
AEP:
47
WG,
IT:
22
eel
R64
22k
C65
66
963,
LWSWITCH
2.3
a8
=
3
vol
28C3402
632
ray
Lae
MW
29,
63)
bate
100k
ee
SWITCH
1
60
113.5)
MW
BLOCK
C67
0.
0018
C68
0.0015
L61
220%H
R73
seseo2
DT
BAND
SWITCH
D6!
GMAOi
hae]
Nu
a
~,
<&
G6!
28
2803402
MW
SWITCH
LW:1.5-6,3¥
———
FM-AFC
AM-RF-IN
UK,AEP:
100P
WG,1T:680P
Q81,
82
FM
B+
SWITCH
Qe
2SA1348
Oe
283402
er
ee
en.
C62
0.022
2a
a
™~
Rn
&
MWSL3-7.2V———
R109
4.7K
G
a
ls
#
z
a
fs
.
om
ni
is
16
4
~
o
TO
w
B
3
C102
a
0.1
5
CH
G83
2SK246
GRI\
|
p_e
985
25K246
2)
LPe
64
28C3112A
86
2SC3112A
3.8Vp-p
|
139nsec
CGNs
a
a
a
i
tc
aaAo
=
ln
ld
>
ae
Oe
Dw
a
Ww—-
+10
wy
11
12
13
14
RV22
AM
TUNING
RY22
a
C37
c39
22k
5
10
0.41
SOY
R3S
47k
46
0.4.
FT|
15
a21
28C3330
o
)
PRE
AMP
é
@22
28C3330
=z
2
R29
10K
0.47
5OV
c31
C32
0.1
SOV
\f-BUFF
x
a
oN
rN
93
R37
R38
100k
220k
AEP
,UK
:
2.2K
WG,
IT
:4.7K
STEREO
SEPARATION
WG,
IT
MODEL
CNJ&
CH
GND
@
8)
oe
=
CH
TO
POWER
BOARD
TO
CONNECTOR
BOARD
line
with
mark
are
critical
for
safety.
Note:
The
Rea
Ge
Gite
by
mark
A
or
dotted
Replace
only
with
part
number
specified.

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