Sony CFM-20

1313
CFM-20
z
Refer to page 14 for Notes.
z
Refer to page 14 for IC Block Diagrams.
4-3. SCHEMATIC DIAGRAM – MAIN SECTION (1/2) –
ANT1
CF2
CF1
D1
D2
C2
L5
C1
C15
T1
C3
L1
C4
R4
R2
R1
C19
C20
C21
L10
0.47µH
JW7
JW3
C17
C16
C18
R3
L4
C11
C7
JW4
JW5
C13
JW6
JC4
JC1
JC2
JW1
C5
C9
L2
L2
JC3
FM
TELESCOPIC
ANTENNA
1SS133
1SS133
10p
100p
0.047
10k
10
0.022
0.047
100p
100
10V
4.7
50V
0.01
330
3p
22p
0
GND
+B
SIG
GND
BAND
*
*
*
*
*
AFC
QUAD
AM RF IN
FM RF OUT
BAND SEL
FM OSC
AM OSC
DET OUT
AGC
VCC
GND
FM RF IN
RF GND
MIX OUT
FM IF IN
AM IF IN
IF AMP,DET,FM MPX
IC1
AM
ANTENNA
L3
FERRITE-BAR
TA2132AF
FM/AM FRONT-END
C&SA,AR,HK,MX,SP,TW
*C3
7p
10p
FM RF
CT1
CV1
CV2
CT2
FM OSC
C&SA,AR,HK,MX,SP,TW
*C4
15p
18p
AEP,UK,CET,IT
*R2
6.8k
4.7k
IT,C&SA,AR,HK,MX,SP,TW
AEP,UK,CET
CT4
CV4
CT3
CV3
AM OSC
*C11
3.3p
6.8p
C&SA,MX,TW
AEP,UK,CET,IT,AR,HK,SP
AM
FREQUENCY
COVERAGE
CT3,L4
TRACKING
AM
CT4,L3
TRACKING
FREQUENCY
COVERAGE
CT2,L1
FM
FM
CT1,L2
*C5
6.8p
EXCEPT IT
IT
10p
IT
AEP,UK,CET
15p
IT MODEL
EXCEPT
IT MODEL
(2/2)
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