– 7 –
– 8 –
ICF-403L
5-1. PRINTED WIRING BOARDS
D1
B-7
D2
B-7
D3
A-2
IC1
C-4
Q1
C-5
Ref. No.
Location
r
Semiconductor
Location
SECTION 5
DIAGRAMS
02
2
1
3
4
5
6
7
8
9
A
B
C
D
D3
TUNE
S2
TONE
HIGH
LOW
JW16
RV1
POWER/VOL
R3
C23
C28
R6
C22
C25
C43 : EE MODEL
JC1 : AEP MODEL
C18
C46
R9
C40
R2
C27
C4
C37
C6
C5
C2
C13
C15
C44
C39
C31
C45
C10
C24
C47
R1
R7
R12
R5
R10
R11
DC IN 4.5V
[MAIN BOARD]
ANT1
FM TELESCOPIC ANTENNA
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
3PCS, 4.5V
CT6
CT5
CV1-4
TUNING
L5
-1
-2
-4
-3
S1
LW
N
MW
N
FM
L3
L4
JW1
JW7
BPF1
1
5
10
15
16
20
30
IC1
JW5
JW8
JW6
CF3
C14
C21
C26
C29
C16
C20
C19
C32
JW10
JW11
JW12
JW13
CF2
CF1
T1
BCE
Q1
D2 D1
L1
MW/LW FERRITE-ROD ANTENNA
21
(21)
1-674-016-
J2
SP1
SPEAKER
–
+
J1
@
JW9
CV1 CV2
CV3
CV4
CT3
CT4
CT1
CT2
EE MODEL
EE MODEL
EE MODEL
-1
-2
Note:
•
X
: parts extracted from the component side.
•
b
: Pattern from the side which enables seeing.
• Abbreviation
EE
: East European
GND
GND
FM DISCRI
NF
VOL
AM OSC
AFC
FM OSC
Reg OUT
FM RF
AM ANT
N. C
FM ANT
FE GND
MIX OUT
21
22
23
24
25
26
27
28
29
30
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
19
20
AF POWER AMP
AM IF DET AGC
AM FE
FM
DISCRIMINATOR
FM FE
TUNING
METER
FM IF
GND
GND
AF OUT
Vcc
RIPPLE
FILTER
AF IN
DET OUT
AFC AGC
AFC AGC
IF GND
LED
N. C
FM IF IN
AM IF IN
FM/AM
BAND
SELECT
r
IC Block Diagram.
IC1 CXA1019S
