Read Sony CFM-20L Service Manual online
11
11
CFM-20L
z
Refer to page 13 for Notes.
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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
L1
R4
R1
C19
C20
C21
L10
0.47
µH
JW7
JW3
C16
C18
R3
L4
C7
JW4
JW5
C13
JW6
JC4
JC1
JC2
JW1
L2
JC3
C3
C11
C9
C10
C12
C5
C4
R2
C17
FM
TELESCOPIC
ANTENNA
1SS133
1SS133
10p
100p
0.047
10k
10
0.022
0.047
100p
4.7
50V
0.01
330
3p
22p
10p
47p
0.001
470p
47p
6.8p
18p
6.8k
470
6.3V
GND
+B
SIG
GND
BAND
AFC
QUAD
FM RF OUT
BAND SEL
FM OSC
DET OUT
AGC
VCC
GND
FM RF IN
RF GND
MIX OUT
FM IF IN
IF AMP,DET,FM MPX
IC1
ANTENNA
L3
FERRITE-BAR
TA2132AF
LW
FM/LW FRONT-END
LW OSC
LW RF IN
LW IF IN
FM RF
CT1
CV1
CV2
CT2
CT4
CV4
CT3
CV3
CT5
CT6
LW OSC
(2/2)
BOARD
MAIN
FREQUENCY
COVERAGE
FM
CT1,L2
TRACKING
CT2,L1
FM
TRACKING
CT5,L3
LW
FREQUENCY
COVERAGE
CT6,L4
LW
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