ICF-J40 (serv.man2) - Sony Audio Service Manual (repair manual)

icf-j40 (serv.man2) service manual
Model
ICF-J40 (serv.man2)
Pages
8
Size
227.82 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
icf-j40-sm2.pdf
Date

Read Sony ICF-J40 (serv.man2) Service Manual online

SERVICE MANUAL
ICF-J40
Subject: Change of LED and RADIO boards
Saudi Arabia Model
9-953-463-82
Ver. 1.2  2009.10
SUPPLEMENT-2
File this supplement with the service manual.
1.
NEW/FORMER  DESCRIPTION
In this set, LED and RADIO boards have been changed in the midway of
production.
Printed wiring board, schematic diagram and electrical parts list of new
type are described in this supplement-2.
Refer to original service manual for other information.
– RADIO Board (Component Side) –
– LED Board
   (Component Side) –
IC1
Former : Printed on silk is
  Ref. No. D6.
New
: Printed on silk is
Ref. No. D2.
Former : 28 pin
New
: 30 pin
2
ICF-J40
2.
DIAGRAMS
Note for Printed Wiring Boards and Schematic Diagrams
Note on Schematic Diagram:
All capacitors are in 
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
f
: internal component.
C
: panel designation.
A
: B+ Line.
H
: adjustment for repair.
Signal path.
F
: FM
Note on Printed Wiring Board:
X
: parts extracted from the component side.
Y
: parts extracted from the conductor side.
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
3
3
ICF-J40
ICF-J40
2-1. PRINTED  WIRING  BOARDS
 : Uses unleaded solder.
C1
C12
C7
C30
C2
JC1
C53
C33
C38
C37
C24
C20
C21
C22
C16
C8
C17
C18
C48
C51
C43
C40
C26
C54
C13
C9
C10
C58
C11
C6
C5
R1
R15
R3
R5
R4
R6
R13
R8
R9
R7
R2
C52
C3
C29
EC
B
Q2
E
C
B
Q1
C39
C23
C19
C27
C14
R12
D1
A K
JW8
JW10
JW2
JW1
JW3
JW7
JW4
JW6
JW5
JW12
S1
JW9
IC1
1
15
30
16
JW15
JW16
JW17
JW14
JW13
C47
+
C45
+
C25
+
C34
+
C35
+
C50
+
C46
+
CT7
CT6
SW1 OSC
SW2 OSC
L10
L11
L9
RV2
1
2
RV1
EPJ1
SW2 ANT
L4
L7
L8
L2
L1
L5
CT5
CF2
CF1
T1
L6
CF3
RADIO BOARD
1-689-039-
(12)
12
D2
1
2
LED BOARD
1-689-040-
(12)
12
L3
FINE TUNE
TONE
CV1-3
CT3
CT4
CT2
CT1
CV1-2
CV1-1
CV1-4
DRY BATTERY
SIZE “C”
(IEC DESIGNATION R14)
2PCS. 3V
TUNING
FM t MW t SW1 t SW2
-6
-5
-4
-1
-2
-3
-1
L3
-2
-3
MW FERRITE
ROD ANTENNA
RM OSC
RF
FM
ANT1
FM/SW
TELESCOPIC
ANTENNA
BAND
SP1
MW OSC
v
VOL
RV3
RED
RED
WHT
RED
GR
Y
RED
GRY
-6
-5
S1
-4
-1
-2
-3
A
B
C
D
E
F
1
2
3
4
5
IC Block Diagram
– RADIO Board –
IC1   CXA1019S
1
2
3
4
5
6
7
8
9
10
15
14
13
12
11
FM
DISCRIMINATOR
AF POWER AMP
AM FE
FM IF
TUNING
METER
AM IF DET AGC
FM FE
23
22
21
20
24
25
19
18 17 16
29 28 27 26
30
GND
GND
AF OU
T
VCC
RIPPLE
FI
LTER
AF IN
DE
T
 OU
T
AFC
 AGC
AFC
 AGC
IF GND
METER
N.C
FM IF IN
AM IF IN
FM/AM BAND
SELEC
T
FM/AM
IF OU
T
N.C
FE GND
AM RF IN
FM RF
REG OU
T
FM OSC
FM RF IN
AFC
AM OSC
VO
L
NF
FM DISCRI
GND
GND
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
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
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.
Page of 8
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Download Sony ICF-J40 (serv.man2) Service Manual (Repair Manual)

Here you can read online and download Sony ICF-J40 (serv.man2) Service Manual in PDF. ICF-J40 (serv.man2) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony ICF-J40 (serv.man2) Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.