Sony CFS-204 - Page 7

4-2.
SCHEMATIC
DIAGRAM
—TUNER
SECTION—
9
410
44
1
2
3
4
5
6
7
8
12
4-3.
SEMICONDUCTOR
LEAD
LAYOUT
BA3420AL
2SC1815-GR
oy
|
2$C2001-K2
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RF
IN
AMIN
FMRF
REG1.25V
FM
OSC
AFC
AMOSC
MUTE
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PLLLPF
GND
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AM
IFT
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GL-3PR9
\
CF2
AM
2
a
om!
R10
22
short
3
FM/AM
F.E,
IF
DET
es
TO
-
MPX
AUDIO
BOARD
al
KH301
0
&
(See
page
11.)
onode
cathode
Q2
SWITCH
Note:
e
All
capacitors
are
in
wF
unless
otherwise
noted.
pF:
uwuF
SOWV
or
less
are
not
indicated
except
for
electrolytics
and tantalums.
e
All
resistors
are
in
2
and
'/,W
or
less
unless
otherwise
specified.
.
4: internal component.
e
Power
voltage
is
dc
9V
and
fed
with
regulated
dc
power
supply
from
battery
terminal.
e Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark: FM
( ): AM
e Voltages are taken with a VOM (Input Impedance 10M 2).
Voltage variations may be noted due to normal produc-
tion tolerances. |
e Signal path.
= :FM
e IT: Italian model