Sony ICF-C212 - Schematic Diagram

ICF-C212
10
10
4-2. SCHEMATIC DIAGRAM
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
Note: The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
•Voltages are dc with respect to ground under
no-signal conditions.
no mark : FM
(): AM
•Voltages are taken with a VOM (Input imped-
ance 10 MΩ).
Voltage variations may be noted due to normal
production tolerances.
• Signal path.
F : FM
• Abbreviation
SP : Singapore
CT1
CV1
CT2
L2
CV2
CT3
L3
CV3
CT4
CV4
L1
L4
R12
R13
JW
4
JW
5
JW
7
C7
C31
C18
R7
R8
C19
C20
C26
C28
JW
1
C5
C8
C10
C11
C14
C16
C9
CF1
CF2
C15
JW
3
CF3
D5
C25
C24
D1
S3
S6
S8
S7
W
1
S4
S5
C23
R9
JW
6
JW
11
JW
12
JW
9
D2
JW
8
R10
D3
D4
R6
C22
C21
T1
C27
C17
C32
JW
2
R14
BPF1
D6
W
2
RV1
R5
C2
R1
C3
C4
C6
C12
C33
R3
R4
Q1
R2
10k
10k
0.01
0.1
0.01
22k
220k
6800p
0.01
220
16V
1000
6.3V
47
10V
1
50V
4.7
50V
10
50V
47
10V
0.1
0.01
2.2
1SS119
0.01
0.01
1SS119
0.01
100k
1SS119
22
1SS119
1SS119
2.2k
0.01
0.01
1000
6.3V
100
10V
0.1
33
1N4002
50k
220
18p
2.2k
27p
3p
0.01
0.022
0.1
100k
220k
M
SB70979-RT1
ALARM
47
AM
FREQ
UENCY
COVERAGE
FREQ
UENCY
COVERAGE
FM
FM
TRACKING
TRACKING
AM
L1,CT1
L2,CT2
L4,CT4
L3,CT3
TUNE
CV1-4