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ICF-703S
4-1. PRINTED WIRING BOARDS
1
2
3
A
POWER BOARD
B
C
T401
POWER
TRANSFOMER
D
BLK/WHT
C401
ACJ1
~ AC IN
E
TP404
C402
EPJ1
F
v
C406
R401
G
LED BOARD
H
D301
D301
TUNE
04
I
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
W : indicates side identified with part number.
J
•
: internal component.
f
• b : Pattern from the side which enables seeing.
SECTION 4
DIAGRAMS
4
5
6
DRY BATTERY
SIZE " D "
(IEC DESIGNATION R20)
3PCS, 4.5V
C403
D401
C404
D402
BLK
CN401
1
TP403
5
SP1
TP402
SPEAKER
BLK
TP406 TP405
BRN
L401
TP401
S401
S401
OPERATION
ON
STANDBY
R402
11
1-677-383-
(11)
BLK
BLK/WHT
TP311
TP310
11
1-677-384-
(11)
– 9 –
7
8
9
MAIN BOARD
B
TP9
E
TP11
C
TP10
JC7
TP12
TP8
TP7
TP6
ANT1
FM/SW
L6
TELESCOPIC
SW ANT
ANTENNA
D1
TP1
CT5
-5
-4
L12
C26
FERRITE-ROD
ANTENNA
10
11
12
C14
C21
B
JC5
E
C
C
C
JC4
JC6
E
C13
B
B
C22
E
C
C15
E
TP5
B
C25
C24
CF1
T1
IFT
16
30
TP3
C23
CF3
IC1
C8
15
1
L10
CF2
TP13
C7
TP2
BPF1
CF4
1
3
R10
L4
L8
CT1-2
FM OSC
CT1-3
L5
L9
MW OSC
-2
-3
C5
-4
-1
CV1
TUNING
CT1-4
CT1-1
C40
CLEAR
L7
CT6
SW OSC
RED
R1
BLK
C6
S1
C41
(BAND)
SW/K
MW/M
FM/U
-3
-2
-6
-1
11
1-677-382-
(11)
L1
MW
– 10 –
13
14
RV2
TONE
C10
RV1
R13
VOL
JC3
• Semiconductor
Location
Ref. No.
Location
D1
F-9
D301
H-3
D401
D-4
D402
D-4
IC1
C-11
Q1
B-11
Q2
B-10
Q3
B-10
Q4
B-10
Q5
B-10
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