Sony ICF-J1 Service Manual ▷ View online
ICF-J1
– 15 –
– 16 –
5-3.
SCHEMATIC DIAGRAM
• IC Block Diagrams
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 OUT
VCC
RIPPLE
FIL
TER
AF IN
DET OUT
AFC AGC
AFC AGC
IF GND
METER
N.C
FM IF IN
AM IF IN
FM/AM BAND
SELECT
FM/AM
IF OUT
FE GND
N.C
AM RF IN
FM RF
REG OUT
FM OSC
FM RF IN
AFC
AM OSC
VOL
NF
FM DISCRI
GND
GND
IC2
BA6640F-E2
18 17
16
15 14
13
12
11
10
1
2
3
4
5
6
7
8
9
+
–
–
+
–
+
–
–
BIAS
RF OUT
RFC
BASE OUT
MUTE OUT1
IN1
NF1
PWR OUT1
VCC
STNBY
PWR MUTE
INVOUT
NFB
MUTE OUT2
IN2
NF2
PWR OUT2
GND
RIPPLE FILTER
MUTE
PWR1
PWR2
INV
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 3 V and fed with regulated dc power
supply from battery terminal.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM
(
no mark : FM
(
) : MW
〈〈
〉〉
: SW
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: FM
f
: MW/SW
SECTION 6
EXPLODED VIEWS
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Accessories and packing materials are given
in the last of the electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
(1)
CABINET SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
X-3380-322-1 CABINET (FRONT) SUB ASSY
2
3-223-773-01 TERMINAL (+), BATTERY
3
3-223-774-01 TERMINAL (-), BATTERY
4
3-223-756-01 CABINET (REAR)
5
3-223-775-01 TERMINAL (+ -), BATTERY
6
3-227-727-01 CUSHION (BATTERY TERMINAL)
7
3-223-760-01 LID, BATTERY CASE
8
3-227-729-01 TUNING, SPRING
9
3-223-763-01 KNOB (TUNING)
10
3-223-762-01 KNOB (VOLUME)
ANT1
1-754-159-11 ANTENNA, TELESCOPIC (FM/SW)
SP1
1-529-884-11 SPEAKER (9.2cm)
#1
7-685-134-19 SCREW +P 2.6X8 TYPE2 NON-SLIT
#2
7-623-508-01 LUG, 3
#3
7-685-548-14 SCREW +BTP 3X12 TYPE2 N-S
#4
7-624-209-01 O RING, P-9
1
2
3
10
9
8
SP1
#4
#1
#2
#3
#3
not supplied
ANT1
chassis section
4
5
6
7
– 17 –
– 18 –
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
3-223-764-01 KNOB (POWER)
52
3-223-767-01 POINTER
53
3-223-772-01 PLATE, BACK
54
3-223-766-01 RACK
* 55
3-223-758-01 CHASSIS
56
3-223-765-01 SLIDER
57
3-223-761-01 KNOB (BAND)
58
3-223-768-01 GEAR (TUNING CAPACITOR)
59
3-369-213-01 SPRING (GEAR)
60
3-369-208-01 GEAR (B), TUNING CAPACITOR
61
3-364-941-11 SCREW (+B) (2.6X5), NYLOK
62
3-223-759-01 HOLDER (GEAR)
* 63
A-3683-250-A MAIN BOARD, COMPLETE
64
3-223-770-01 GEAR, MIDWAY
65
3-223-769-01 SHAFT, TUNING
D2
8-719-042-69 LED LN21RPL (TUNE)
L1
1-754-132-11 ANTENNA, FERRITE-ROD (MW)
#3
7-685-548-14 SCREW +BTP 3X12 TYPE2 N-S
52
53
51
65
54
55
L1
#3
D2
#3
56
57
64
58
59
60
61
62
63
(2)
CHASSIS SECTION
– 19 –
SECTION 7
ELECTRICAL PARTS LIST
Ref. No.
Part No.
Description
Remark
NOTE:
• Due to standardization, replacements in the
parts list may be different from the parts speci-
fied in the diagrams or the components used
on the set.
fied in the diagrams or the components used
on the set.
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• RESISTORS
All resistors are in ohms.
METAL: Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F: nonflammable
METAL: Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F: nonflammable
• Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when order-
ing these items.
Some delay should be anticipated when order-
ing these items.
• SEMICONDUCTORS
In each case, u:
µ
, for example:
uA. .
:
µ
A. .
uPA. . :
µ
PA. .
uPB. .
:
µ
PB. .
uPC. . :
µ
PC. .
uPD. .
:
µ
PD. .
• CAPACITORS
uF:
µ
F
• COILS
uH:
µ
H
Ref. No.
Part No.
Description
Remark
When indicating parts by reference
number, please include the board.
number, please include the board.
*
A-3683-250-A MAIN BOARD, COMPLETE
*********************
< BAND PASS FILTER >
BPF1
1-236-022-11 FILTER, BAND PASS
< CAPACITOR >
C1
1-164-315-11 CERAMIC CHIP
470PF
5%
50V
C2
1-164-160-11 CERAMIC CHIP
20PF
5%
50V
C3
1-162-975-11 CERAMIC CHIP
24PF
5%
50V
C4
1-117-402-11 CERAMIC CHIP
10PF
0.5PF
50V
C5
1-164-392-11 CERAMIC CHIP
390PF
5%
50V
C6
1-102-951-00 CERAMIC
15PF
5%
50V
C7
1-162-979-11 CERAMIC CHIP
0.0027uF 10%
50V
C9
1-126-964-11 ELECT
10uF
20%
50V
C10
1-162-970-11 CERAMIC CHIP
0.01uF
10%
25V
C11
1-162-927-11 CERAMIC CHIP
100PF
5%
50V
C12
1-162-970-11 CERAMIC CHIP
0.01uF
10%
25V
C13
1-126-963-11 ELECT
4.7uF
20%
50V
C14
1-126-963-11 ELECT
4.7uF
20%
50V
C15
1-126-964-11 ELECT
10uF
20%
50V
C16
1-162-964-11 CERAMIC CHIP
0.001uF
10%
50V
C17
1-164-156-11 CERAMIC CHIP
0.1uF
25V
C18
1-107-826-11 CERAMIC CHIP
0.1uF
10%
16V
C19
1-104-665-11 ELECT
100uF
20%
10V
C20
1-164-361-11 CERAMIC CHIP
0.047uF
16V
C21
1-162-970-11 CERAMIC CHIP
0.01uF
10%
25V
C22
1-164-230-11 CERAMIC CHIP
220PF
5%
50V
C23
1-128-551-11 ELECT
22uF
20%
25V
C24
1-115-156-11 CERAMIC CHIP
1uF
10V
C25
1-126-935-11 ELECT
470uF
20%
6.3V
C26
1-126-964-11 ELECT
10uF
20%
50V
C27
1-162-927-11 CERAMIC CHIP
100PF
5%
50V
C28
1-162-968-11 CERAMIC CHIP
0.0047uF 10%
50V
C29
1-126-961-11 ELECT
2.2uF
20%
50V
C30
1-125-837-11 CERAMIC CHIP
1uF
10%
6.3V
C31
1-162-927-11 CERAMIC CHIP
100PF
5%
50V
C32
1-164-230-11 CERAMIC CHIP
220PF
5%
50V
C33
1-162-968-11 CERAMIC CHIP
0.0047uF 10%
50V
C34
1-126-961-11 ELECT
2.2uF
20%
50V
C35
1-125-837-11 CERAMIC CHIP
1uF
10%
6.3V
C36
1-107-826-11 CERAMIC CHIP
0.1uF
10%
16V
C37
1-126-935-11 ELECT
470uF
20%
6.3V
C38
1-104-664-11 ELECT
47uF
20%
10V
C39
1-162-927-11 CERAMIC CHIP
100PF
5%
50V
C40
1-117-863-11 CERAMIC CHIP
0.47uF
10%
6.3V
C41
1-117-402-11 CERAMIC CHIP
10PF
0.5PF
50V
C44
1-162-927-11 CERAMIC CHIP
100PF
5%
50V
C45
1-117-402-11 CERAMIC CHIP
10PF
0.5PF
50V
< CERAMIC FILTER >
CF1
1-579-632-51 FILTER, CERAMIC
CF2
1-795-157-21 FILTER, CERAMIC
CF3
1-579-632-51 FILTER, CERAMIC
< TRIMMER >
CT5
1-141-601-21 CAP, ADJ
CT6
1-141-601-21 CAP, ADJ
< VARIABLE CAPACITOR >
CV1-4
1-141-612-11 CAP, VER
< LED >
D2
8-719-042-69 LED LN21RPL (TUNE)
< IC >
IC1
8-752-037-02 IC CXA1019S
IC2
8-759-650-96 IC BA6640F-E2
< JACK >
J1
1-563-836-21 JACK (v)
< RESISTOR >
JC2
1-216-864-11 METAL CHIP
0
5%
1/16W
JC4
1-216-864-11 METAL CHIP
0
5%
1/16W
JC5
1-216-864-11 METAL CHIP
0
5%
1/16W
JC6
1-216-864-11 METAL CHIP
0
5%
1/16W
JC7
1-216-864-11 METAL CHIP
0
5%
1/16W
JC8
1-216-864-11 METAL CHIP
0
5%
1/16W
< COIL >
L2
1-419-895-11 COIL, RF (SW)
* L3
1-422-320-11 COIL, AIR-CORE
L4
1-460-135-11 COIL (WITH CORE) (RF)
L5
1-406-092-11 COIL, OSC (MW)
L6
1-419-894-11 COIL, OSCILLATION (SW)
MAIN
Click on the first or last page to see other ICF-J1 service manuals if exist.