Printed Wiring Boards - Sony ICF-C211 Service Manual

ICF-C211/C211L
Q Q
3 7 6 3 1 5 1 5 0

4-1. PRINTED WIRING BOARDS

1
A
OFF T RADIO
ON
TRANSFORMER
BOARD
B
T2
POWER TRANSFORMER
T E
L 1 3 9 4 2 2 9 6 5 1 3
C
1-678-190-
1 2 3 4
D
02
Semiconductor Location
z Note:
• X : parts extracted from the component side.
Ref. No. Location Ref. No. Location
•
D1 B-5 IC1 C-6
• b : Pattern from the side which enables seeing.
D2 C-4 IC2 B-4
• Abbreviation
D3 C-3 w w w
AUS : Australian
D4 C-3
AR
D5 C-4 Q1 B-6
CET
Q2 B-3
C&SA : Central & South America
D6 C-4 Q3 C-4
D7 A-4
D8 B-3
SECTION 4
DIAGRAMS
3
2
[MAIN BOARD]
S2
t t
RADIO BUZZER
ALARM MODE
C211L
D8
- AC IN
S2
C211L
E C B
Q2
JW10
C211L
EXCEPT C&SA
MODEL
R13
C22
D4
C24
D3
D5
R12
1 2 3 4
C21
11
(11)
(IEC DESIGNATION 6F22)
(POWER BACK UP FOR CLOCK)
f : internal component.
SP :Singapore
: Argentine IT :Italian
x a o
: East European & Russian
. i
– 9 –
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4 5
D7
LED
DISPLAY
5
1 10 15 16
W2
5 10 14
1
IC2
C18
C19
20
25
28
AEP, IT, CET, 15
JW5
AR, SP, C211L
R8
JW6
S6 D1
JW7 CLOCK
E
Q3
C
B
S4
S5
TIME SET
TIME SET
M
R9 Q Q
H 3 7
1
C211L
D6
CF3
C25
C17
30
C15
C27
W1
+
SP1
SPEAKER
–
DRY BATTERY
"S-006P"
1PC, 9V
u 1 6 3
y
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2 4
8 9 9
6 7
C211L
C4
CT5
L4
C211L
B C E
CT4 CT1
Q1
C8
CV1
JW4
CT2
CT3
S7
SLEEP C2
L3
S3
EXCEPT IT
R14
ALARM MODEL
IT MODEL L3
5 15
10
BPF1
6 3 1 5 1 5 0 8 9
R6
C7 C6
CF2
IC1
RV1
C12
T1
25
20 16
CF1
C10
C13 C11
m
c o
.
– 10 –
2
8 9 9
8
CV1-4
TUNING
L1
IT, C211L AM
FERRITE-ROD
ANTENNA
C211L
C211
L2
S1 S1
BAND BAND
AM LW
R R
2 4 9 8 2 9 9
FM FM
ANT1
FM WIRE
ANTENNA
11
1-678-188-
(11)