Diagrams; Printed Wiring Boards - Sony ICF-403L Service Manual

ICF-403L

5-1. PRINTED WIRING BOARDS

1 2
A
[MAIN BOARD]
D3
TUNE
CV1-4
TUNING
B
CT1
JW16
CT4
CT6
C
-2 -1
R3
LW N MW N FM
D
02
Semiconductor
r Note:
Location • X : parts extracted from the component side.
• b : Pattern from the side which enables seeing.
Ref. No. Location
• Abbreviation
D1 B-7
EE : East European
D2 B-7
D3 A-2
IC1 C-4
Q1 C-5
SECTION 5

DIAGRAMS

3 4
MW/LW FERRITE-ROD ANTENNA
-1
EE MODEL
C14
BPF1 CF2
L3
CV1 CV2
15
CT2
C18 16
R6
L4
CT3
20
CV4 CV3 10
IC1
L5
C22
C25
5
C28
CT5
-4
JW6
C29
1
30
CF3
-3
C23
S1
– 7 –
5
L1
-2
C43 : EE MODEL
JC1 : AEP MODEL
EE MODEL
C46
T1
CF1
C19
C20
C21
R9
Q1
C26
C32
C16
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
3PCS, 4.5V
IC Block Diagram.
r
IC1 CXA1019S
30 29 28 27
AF POWER AMP
1 4
2 3
6 7
ANT1
FM TELESCOPIC ANTENNA
D2 D1
EE MODEL
1-674-016-
26 25 24 23 22 21 20 19 18
17 16
AM IF DET AGC
TUNING
METER
AM FE
FM IF
FM
DISCRIMINATOR
FM FE
5 6 8 9 15
7 10 11 12 13 14
– 8 –
8 9
J1
@
–
SP1
SPEAKER
+
J2
DC IN 4.5V
21
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