Diagrams; Printed Wiring Boards - Sony ICF-C212 Service Manual

4-1. PRINTED WIRING BOARDS

1 2
A
OFF RADIO
t
ON
B
POWER TRANSFORMER
AC IN
C
1
D
02
Semiconductor Location
z
Note:
• X : parts extracted from the component side.
Ref. No. Location Ref. No. Location
•
f
D1 B-5 IC1 C-6
•
D2 C-4 IC2 B-4
• Abbreviation
D3 C-3
SP
D4 C-3
D5 C-4 Q1 B-6
D6 C-4
D7 A-4
SECTION 4

DIAGRAMS

3
[MAIN BOARD]
S2
RADIO BUZZER
t t
ALARM MODE
1
S2
T2
JW7
JW10
R13
C22
D4
C24
D3
D5
R12
1 2 3 4
C21
2 3 4
(IEC DESIGNATION 6F22)
(POWER BACK UP FOR CLOCK)
: internal component.
: Pattern from the side which enables seeing.
: Singapore
4 5
D7
LED
DISPLAY
5
10 15 16
W2
1 5 10 14
IC2
C18
C19
25 20
28
15
JW5
R8 JW6
S6 D1
JW11
CLOCK
SP MODEL
S4
S5
TIME SET
TIME SET
M
R9
H
1
D6
CF3
C17
C25
30
C15
C27
W1
+
SP1
SPEAKER
–
DRY BATTERY
"S-006P"
1PC, 9V
9 9
6 7
BCE Q1
C4
L4
CT4 CT1
C8
CV1
JW4
CT2
CT3
S7
SLEEP C2
L3
S3
R14
ALARM
5 15
10
BPF1
R6
C7 C6
CF2
IC1
RV1
C33 C12
T1
25 20 16
CF1
C10
C11
ICF-C212
8
CV1-4
TUNING
L1
AM
FERRITE-ROD
ANTENNA
L2
S1
BAND
AM
FM
ANT1
FM WIRE
ANTENNA
N
11
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