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4-1.
SCHEMATIC
DIAGRAM
dex
22k
TC3
QI 2Sc710
FM RF AMP
(1.85V)
SECTION 4
SCHEMATIC
AND
MOUNTING
DIAGRAMS
Q2 2SC710
FM CONV
C9 4p
R28
2.7k
L4 AM
ANT COIL
R26 100
"5.0
Q3 25C403C
AM CONV
R27 750
D2
!SI88FM
LIMITER
L6
AM
OSC
COIL
ol
DI 1$553 .
FM AFC
D7 ISIB8FM
AM AGC
TFM-9450W
Q4 2SC403¢
FM/AM IF AMP |
r
1
Q4
i
De
ap}
«)
=
=|
lt
i
1
K1.0V)
dav)
2.5Vrange
{7.6V
<8, 5V.
Y
(0.47V)
™ <0.57)
TFM-9450W
Q5 25C403C
D3 1SIBBFM 04 CDG-22
FM/AM IF AMP 2
LIMITER
Toxo
47/\6V
R!I6 2.2k
(8.6V)
<a,7\)
RS! 3.9k | —~——
25.5V
C54 0.0!
Q6 2SC403C
D5,D6
ISI88FM
FM IF AMP 3
FM DET
(7.5V)
7V)
<egvy.
HEURES
_ EL Fo.
pS Ret lk
R23 5.6k
l
C53
DIO
1000
Tose.
'T
470/16V
C55 001
D8 IN-4002
'Q7 2SC634A
AF AMP
I
Fig. 4-1.
Q8 2SC634A
AF AMP 2
AF AMP 3
Q9 2SC634A
Qi! 2SD325¢
D9,DIO
IN-4002
QIO 2SB5IIC
;
POWER RECT
POWER
AMP
Note:
1. All fixed resistors are in Q, +5 %, % W.
2. All fixed capacitors are in UF unless otherwise specified.
3. Voltage readings are taken with a 20 kQ./V DC
VOM
with reference to heavy lines. Those shown in (
)
' indicate readings on FM, in <
>on AM, others are
common.
4. Capacitors marked with A are built in i-f transformers.
~10—
e@= {20V AC
AC
=
LINE
ANT
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