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JVC PC-70L - (Tuner Circuit); Standard Schematic Diagram of PC-70 LD

JVC PC-70L
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PC-70
L/LB/LD/LS
Standard
Schematic
Diagram
of
PC-7OLD
tuner
circuin
4
=
[FM
OSC]
2SAlI77(E)
oS
MIF
oy
Q3
2SAl177(E)
>
Fe
2SC930(E)
VQT7F
I2-104M
C2063(N)
ci6
10P
“Lye
Q@2
Cl2
ISP
(>
ak
<
KO)
Cl4 1OP
x
fo}
Q
2
x
-
o
=
.
é
os
818
8
8
T
o
tS
2)
N
3
©
a
«
4
°
l
a
Bee
pat
ee
a
=
SSS
ss
SS
4
_—
25
28
R38
4.7%
©
2
|
Fp
4.4V
oo
!
te
4s
aS
VOT
TAZ
|-
102
VQT7A
11-203
a
tm
CF
|
area
en
7
=
wi
fol
Pea
:
i
6)
]
|
ag
A
ge
§
I
I
c65,.4.7,
°F
8
Ty
-<
nm
Ee
GC1304
-
001]
VaPOOI2
47
50V
ne
QAT5OO!
-8R2_
1/4W
C3
-
004)
|
Seo
R24
15
/4W
a
L
J
[34
6
VQR7002-
302
|
o
0
LB
we
|
S)
D
|
74
|
Ju
:
N
i
:
|
|
fo)
3
|
8
ad
x
|
58
6
&
Jo
|
roy
®&
wm
|
5)
fo}
O+
Pas
vt
E
e
&
ae
“te
aly
cél
SHIELD
wusi22-
001
;
tac
R29
1.5k
LED
DRIVER
&
VMW
1074
MONO/ST
SWITCH
em
EEE
ESE
EE
ee
ee
=a
See
3/0.
;
NOTE
F
3)|(4.3)
0)|0.7)/
(4.04
|
VOLTAGE
VALUES
ARE
MEASURED
WITH
NO
SIGNAL
USING
ELECTRONIC
VOLT
METER
14
24|
24/311
QST3521-VOl
ke
:
:
_
ie
(0.8)
2
S2~5
(BAND
SELECT
SWITCH)
IS
FM
POSITION
M/S
FM
SW
MW
LW
-
-
Blue
line
shows
the
signal
at
FM.
E
gi
o]o
||
1.5
|
Is
$1
(MONAURAL
-
STEREO
SWITCH)
|S
STEREO
POSITION
[si
|
s2|
s3
|
$4]
$5]
~——-ti-—-—-—=
Red
line
shows
the
signal
at
AM.
)
(1.35)
ms
é
hae
=
3,
+2
3s
S$
I~
$5(QST3521
-
VO!)
Wide
a
ale
+B
Circuit
Q
_|0
43
°
fo|
3
LAST
NO
R52,C72
@/3/3,@
ieee
eo
07
Be
oy
eae
cre?
4
BLANK
NO
RI3,
35,40,
41,
3,
17,21,22,32
BOTTM
VIEW
OF
THE
SWITCHES
VOLTAGES
POSITION:
FW,
(ABI),
FM
SIGNAL}
7
UNIT,
VOLT
C47,
49
,50
,53,
489,10,
7!
(@
1S
SHOWTING
SWITCH)
5
RATING
OF
RESISTORS
IS
|/6wW
UNLESS
OTHERWISE
SPECIFIED

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