Read Sony ICF-CD73 / ICF-CD73V Service Manual online
ICF-CD73/CD73V
27
27
6-11. SCHEMATIC DIAGRAM – TUNER Section (ICF-CD73V) –
•
See page 33 for Waveform.
•
See page 32 for IC Block Diagrams.
R61
R59
L31
R54
R53
R52
R51
R81
R82
TP
JW21
CNP2
C62
R58
R64
C63
C
77
R66
JW13
C66
D22
R63
C65
R69
C68
X61
C70
C69
C71
C76
R74
C54
C75
Q14
R72
R73
R71
R55
C61
C60
C59
C58
JW20
JW19
C57
C56
C55
Q12
Q11
JW11
JW9
C51
Q13
R67
R70
R41
R42
C52
R37
C41
C40
R26
C37
C35
C39
C36
R25
R22
R20
D17
R23
C21
D24
C19
L16
D2
R24
FB5
R18
L15
C18
D1
C89
FB4
R17
R16
C14
L14
L13
R15
JW8
C33
JW15
C28
R31
R33
C29
C26
C30
C31
JW22
C32
L6
C27
JW17
C42
C43
JW16
JW14
D21
JW12
D3
L5
JW23
R79
C25
C24
C23
R12
R11
L11
L12
JW4
BPF1
TP
D13
JW3
C34
R1
R3
C1
C2
C3
T1
R2
C5
C6
C7
T2
R6
JW2
C90
C4
C87
C85
D11
D10
JW1
D23
C86
TP
C64
JW18
C72
R62
JC12
R75
JC9
JC8
JC10
R68
IC2
R84
JC6
JC7
C91
C92
C10
C9
CF2
CF4
JC3
JC4
IC1
JC1
C11
6P
JW5
ANT1
CT5
JC5
C16
C15
CT2
C13
D14
D15
L2
L1
L3
L4
R19
CT4
CT3
C22
JW
7
JW
6
JC2
JW25
C67
L17
C83
C53
220
2.2k
2.2k
2.2k
2.2k
2.2k
100
100
(VT)
11P
1000p
1k
10k
1000p
1000p
1k
220
10V
10V
KDZ3.3V
680
1000p
10k
0.47
75KHz
10p
6p
10p
6p
1k
0.01
0.047
KTC4082
3.3k
100k
100
1k
100p
100p
100p
100p
100p
100p
100p
KRA302-RTK
KRA302-RTK
1000p
2N3906U
100k
22k
100k
100k
0.01
470
0.1
0.1
3.3k
100p
220p
1
50V
1 50V
0
0
10k
KDS114
-RTK
470
470p
KDS112
-RTK
0.022
KV1471E
15k
680
0.022
KV1471E
22p
100k
1k
0.022
680
0.1
0.01
47k
220k
10p
47p
100p
220p
0.047
0.01
0.01
1000p
KDS121
-RTK
KV1520NT
0
0.01
1000p
1000p
1.5k
1.5k
(ANT)
KDS112-RTK
0.1
470
10k
1000p
1000p
1
50V
330
4.7
50V
50V
10p
6p
100
220p
220
R5
470
10V
0.047
1000p
1SS355TE
-17
1SS355TE
-17
1SS355TE
-17
0.022
(GND)
0.01
47
16V
1k
0
22k
0
0
0
4.7k
LC72137M-TLM
4.7k
0
0
100p
100p
0.022
0.022
0
0
TA2149BN
0
0
22p
0.01
KDS114-RTK
KDS114-RTK
1k
47p
C20
22p
22p
0
0.01
0.001
0.1
A1
A2
A3
A4
A1
A2
A3
A4
VT
C
E
D
I
C
L
D
O
S
T-IN
D
IF IN
X
O
U
T
X
IN
LP
-O
U
T
L
P-IN
P
D
V
SS
V
D
D
FM
IN
AM
IN
T
V-H
F
M
/TV
-L
T
V-H/W
B
AM OSC
FM OSC
VCC1
R-OUT
L-OUT
QUAD
GND2
AM
FM
VCC2
AGC
LPF1
/BAND
LPF2
/MO-ST
GND1
FM
AM
FM
A
M
LO
W
C
U
T
S-GND
FM/AM PLL
AM OSC
OSC
OSC
ANTENNA
AM FERRITE-ROD
FM/AM RF AMP,
MIX,OSC,
FM/AM IF AMP,
DET,MIX
FM IFT
AM IFT
1
5
TV ON
SWITCH
SWITCH
FM ON
ANTENNA
SWITCHING
RF OUT
RF IN
MIX OUT
RF IN
IF IN
IF IN
OSC OUT
ST IND
IF OUT
DET OUT
MPX IN
FM
/
A
M
/S
T
M
O
OSC
BUFFER
MUTE
COUNT
R CLK
R DATA
R CE
LCH
R +B
RCH
GND
LEAD WIRE
FM/TV/WEATHER
FM/TV
RF
RF
TV/WEATHER
FM/TV
TV/WEATHER
10
µH
10
µH
10
µH
10
µH
10
µH
10
µH
10
µH
2.2
µH
(Page 29)
Ver. 1.1
Click on the first or last page to see other ICF-CD73 / ICF-CD73V service manuals if exist.