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ICF-CD73/CD73V
25
25
6-9.
SCHEMATIC DIAGRAM – TUNER Section (ICF-CD73) –
•
See page 33 for Waveform.
•
See page 32 for IC Block Diagrams.
CNP1
C20
R30
R31
C34
C33
C35
C31
C30
C24
C22
C23
C37
R52
C53
C65
R50
R10
C29
C27
C26
R61
R60
R59
R58
C61
C62
C63
C66
C68
R94
C51
C52
R51
C59
R53
C95
C55
R54
C54
C56
C57
R65
R63
R4
C1
C11
C4
CF4
CF2
C8
C10
C12
C9
C47
C39
R40
R41
C49
C41
C42
C43
R32
D1
C32
D11
D10
C60
L21
R56
C80
R24
TP
JC5
JC1
JC4
JC2
JC34
JC6
R1
JC13
JC12
JC11
L11
L2
L1
L3
L4
TP
X1
TP
T2
C18
D3
R13
IC2
R92
R91
CT1
CT3
C13
T1
IC1
D2
JC24
ANT1
C14
C15
C77
C78
JC33
R11
C7
C21
JC3
R3
R2
11P
0.1
15k
3.3k
0.01
0.01
0.01
22p
0.01
220p
0.1
1
50V
0.01
0
0.22
4.7
50V
1k
47
100
10V
100p
100p
2.2k
2.2k
2.2k
2.2k
100p
100p
100p
100p
100p
1k
22p
10p
10k
100p
15k
1000p
100p
470
220
10V
1000p
1000p
10k
10k
10k
47p
0.1
1000p
1000p
1
50V
4.7
50V
10p
10p
0.1
220k
10k
0.01
220p
100p
22p
100k
KV1471E
1000p
1SS355
1SS355
1000p
330
0.01
220
(GND)
0
0
0
0
0
0
330
0
0
0
(ANT)
75KHz
(VT)
220
10V
KV1520NT
1k
LC72137M-TLM
220
220
0.01
TA2149BN
KV1471E
0
4700p
4700p
0
3.3k
5p
1
50V
0
10k
470
∗
∗
R DATA
R CE
GND
RCH
LCH
VT
AM IFT
FM
OSC
FM
RF
ANTENNA
AM OSC
FM/AM RF AMP,MIX,OSC,
FM/AM IF AMP,DET,MPX
ANTENNA
FM/AM PLL
IFT
FM
AM FERRITE-ROD
MUTE
COUNT
R CLK
R +B
(CND, MX)
(CND, MX)
(UK,IT)
FM LEAD WIRE
(UK,IT)
∗
C14,15
(CND, MX)
0.022
0.01
(UK,IT)
S-GND
1
µ
H
10
µ
H