Sony ICF-J1 Service Manual ▷ View online
– 3 –
SECTION 2
DISASSEMBLY
• This set can be disassemble in the order shown below.
Note:
Follow the disassembly procedure in the numerical order given.
LID, BATTERY CASE
Set
Lid, Battery Case
“Knob (Tuning)”, “Knob (Volume)”
Chassis Section
Main Board
Chassis
Antenna, Ferrite-Red (MW) (L1)
Speaker (9.2 cm) (SP1)
“Antenna, Telescopic (FM/SW) (ANT1)”, “Cabinet (Rear)”
1
Open the battery case lid.
2
boss
2
boss
3
lid, battery case
2
tuning, spring
knob (volume)
hole
variable resistor (RV1)
Note: Insert the knob (volume) into
the variable resistor (RV1),
meeting both shapes of the hole
in the knob and the shaft of RV1 as shown.
meeting both shapes of the hole
in the knob and the shaft of RV1 as shown.
3
knob (tuning)
1
4
6
knob (volume)
5
O ring, P-9
“KNOB (TUNING)”, “KNOB (VOLUME)”
– 4 –
“ANTENNA, TELESCOPIC (FM/SW) (ANT1)”, “CABINET (REAR)”
CHASSIS SECTION
antenna, wire
Note: Arrange the antenna,
wire to the 4 slots.
2
claw
5
lug, 3
2
claw
3
4
screw
(P2.6
(P2.6
×
8)
1
five screws
(BTP3
(BTP3
×
12)
7
cabinet (rear)
6
antenna, telescopic
(FM/SW) (ANT1)
(FM/SW) (ANT1)
2
terminal (+),
battery
battery
3
terminal (–),
battery
battery
4
chassis section
1
Remove two solders
of speaker lead wires.
of speaker lead wires.
MAIN Board
speaker lead wire (RED)
battery terminal (–)
lead wire (WHT)
lead wire (WHT)
SP
3
SP
#
GND
+ B
battery terminal (+)
lead wire (WHT/RED)
lead wire (WHT/RED)
speaker lead wire
(WHT)
(WHT)
•
LEAD WIRE COLOR INDICATION
ON MAIN BOARD.
ON MAIN BOARD.
terminal (–),
battery
battery
terminal (+),
battery
battery
Note: When mounting the battery terminals (+) and (–), engage the lead wires
to the hook on the cabinet (front) and route them as shown.
hook
cabinet (front)
– 5 –
Note: For the mounting position
of the antenna, ferrite-rod (MW) (L1),
refer to the “ANTENNA,
FERRITE-ROD (MW) (L1)”
in DISASSEMBLY.
refer to the “ANTENNA,
FERRITE-ROD (MW) (L1)”
in DISASSEMBLY.
7
claw
slider
7
claw
8
MAIN board
Note: On installation MAIN board
Note: On installation MAIN board
adjust the S1, S2 and
slider, knob (POWER).
slider, knob (POWER).
5
gear (tuning capacitor)
Including “spring (gear)”,
“gear (B), tuning capacitor”.
Including “spring (gear)”,
“gear (B), tuning capacitor”.
Note: When the gear (tuning
capacity), spring (gear),
and the turning capacitor
gear(B) were removed
and then, they are mounted
on the main board,
refer to the “GEAR
(TUNING CAPACITOR)”,
“SPRING (GEAR)”, “GEAR
(B), TUNING CAPACITOR” in
ASSEMBLY on page 8.
and the turning capacitor
gear(B) were removed
and then, they are mounted
on the main board,
refer to the “GEAR
(TUNING CAPACITOR)”,
“SPRING (GEAR)”, “GEAR
(B), TUNING CAPACITOR” in
ASSEMBLY on page 8.
6
Remove LED LN21RPL (TUNE)
(D2) by raising in the arrow direction,
not giving an excessive force.
(D2) by raising in the arrow direction,
not giving an excessive force.
knob
(POWER)
(POWER)
S2
S1
2
screw
(BTP3
(BTP3
×
12)
2
screw
(BTP3
(BTP3
×
12)
1
Remove three solders
of ferrite-rod (MW)
antenna (L1) leads.
of ferrite-rod (MW)
antenna (L1) leads.
4
screw
(B2.6
(B2.6
×
5)
3
holder (gear)
(
)
MAIN BOARD
ANTENNA, FERRITE-ROD (MW) (L1)
2
Remove five portions bond
SC-12N.
SC-12N.
Note: When mounting the antenna,
ferrite-rod (MW) (L1), route the lead wires
as shown and apply the bond SC-12N
to the removed portion.
as shown and apply the bond SC-12N
to the removed portion.
4
antenna, ferrite-rod
(MW) (L1)
(MW) (L1)
3
four claws
1
Remove three solders of
ferrite-rod (MW) antenna (L1)
lead wires.
ferrite-rod (MW) antenna (L1)
lead wires.
•
FERRITE-ROD ANTENNA LEAD WIRE
COLOR INDICATION ON MAIN BOARD.
COLOR INDICATION ON MAIN BOARD.
black lead wire
natural lead wire
red lead wire
MAIN board
BLK
NATURAL
RED
– 6 –
SPEAKER (9.2 cm) (SP1)
2
claw
3
Remove speaker (SP1) in the
direction of arrow
direction of arrow
A
.
speaker lead wire (RED)
speaker lead wire
(WHT)
(WHT)
cabinet (front)
claw
speaker (9.2 cm)
(SP1)
(SP1)
A
3
#
1
Remove shaded portion bond SC-108.
Note: When installing the speaker (SP1),
Note: When installing the speaker (SP1),
set it in the position as shown, and apply
the bond SC-108 to the removed portion.
the bond SC-108 to the removed portion.
CHASSIS
9
two claws
0
pointer
qa
plate, back
qs
rack
qd
chassis
3
slider
Note: When assembling the chassis,
refer to the “DIAL POINTER SETTING”
in ASSEMBLY.
in ASSEMBLY.
2
two claws
2
two claws
7
two claws
8
shaft, tuning
5
knob (power)
4
4
1
knob (band)
6
gear, midway