Read Sony ICF-J40 (serv.man2) Service Manual online
4
4
ICF-J40
ICF-J40
SP1
R9
R8
C45
C43
C48
D2
C50
C47
C46
R7
Q1
C40
R5
RV2
C39
C38
R4
R3
C37
C35
C34
C33
CF1
CF2
T1
AM IFT
R1
JC1
C53
R2
C52
CF3
C51
C29
C3
L2
C2
L1 FM BPF
C1
C26
C27
R13
RV1
MW OSC
SW1 OSC
L9
L10
L11
SW2
OSC
OSC
C14
C19
C23
CT7
C24
C17
C16
C18
CT4
C20
R12
D1
C13
C25
C5
C6
C54
CT2
CV1
CV1
L7
L8
FM RF
FM RF
C7
C30
CT1
CV1
R15
C12
S1 (5/6)
C11
CT3
CT5
C58
S1 (4/6)
S1(2/6)
S1(1/6)
S1 (3/6)
CV1
C9
C10
C8
S1 (6/6)
BP1
50k
RV3
R6
Q2
L3
ANT1
EPJ1
v
IC1
CT6
C22
C21
100
2.2k
1000
6.3V
1
1
SLP-138B
10
50V
470
6.3V
47
10V
1k
2SC4081
0.1
47k
20k
0.01
0.047
1k
2.2k
0.047
4.7
50V
50V
10
50V
0.01
2.2k
0
0.01
1M
0.01
0.47
5p
47p
47p
5p
100p
0.01
2.2k
20k
8p
5p
5p
10p
4700p
100p
47p
220p
1000p
470k
1SV310
8p
10
50V
22p
2p
10p
(3/4)
(2/4)
22p
5p
(4/4)
470k
3p
L5
10p
10p
3p
(1/4)
47p
22p
47p
10
2SC4081
CXA1019S
10p
470p
470p
DRY BATTERY
SIZE "C"
(IEC DESIGNATION R14)
2PCS.3V
VOL
TONE
RV2
TONE AMP
FM/MW
SELECT
SW2
ANT
L4
FERRITE
ROD
ANTENNA
FM/SW
TELESCOPIC
ANTENNA
MW
S1
BAND
FM
MW
SW1
SW2
FM/MW/SW FRONT-END,
IF AMP,DET
GND
GND
OUT
VCC
FIL
TER
IN
OUT
AGC
AGC
GND
METER
NC
IN
IN
SELECT
AF
RIPPLE
AF
DET
AFC
AFC
IF
FM
IF
AM
BAND
FM/AM
FM/AM
FE
GND
OUT
IF
FM
RF
IN
NC
AM
RF
IN
FM
RF
REG
OUT
FM
OSC
AFC
AM
OSC
VOL
NF
FM
DISCRI
GND GND
TUNING
-1
-2
-3
L6
FM OSC
FM BPF
RV1
FINE
TUNE
A
11
G
5
D
4
12
B
C
2
6
E
9
7
8
3
F
10
1
2-2. SCHEMATIC DIAGRAM
•
See page 3 for IC Block Diagram.
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