Read Sony ICF-R40 Service Manual online
MICROFILM
SERVICE MANUAL
FM/AM RADIO
Tourist Model
SPECIFICATIONS
ICF-R40
Ver 1.0 1999. 03
– 2 –
HOW TO CHANGED THE CERAMIC FILTERS
This model is used two ceramic filters of CF2 and CF3.
You must used same type of color marked ceramic filters in order
to meet same specifications.
Therefore, the ceramic filter must changed two pieces together
since it’s supply two pieces in one package as a spare parts.
You must used same type of color marked ceramic filters in order
to meet same specifications.
Therefore, the ceramic filter must changed two pieces together
since it’s supply two pieces in one package as a spare parts.
CF2
CF3
mark
Mark
Center frequency
red
10.70 MHz
blue
10.67 MHz
orange
10.73 MHz
black
10.64 MHz
white
10.76 MHz
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
SECTION 1
GENERAL
This section is extracted from
instruction manual.
instruction manual.
– 3 –
CABINET (REAR)
MAIN BOARD
Note:
Follow the disassembly procedure in the numerical order given.
SECTION 2
DISASSEMBLY
1
Pull out the ear receiver.
9
claw
3
two screws
(DIA. 1.4
(DIA. 1.4
×
4)
4
screw
(M1.7
(M1.7
×
10)
9
claw
8
claw
S1
6
claw
7
claw
6
claw
C
7
claw
2
Open the “lid, battery case”
in the direction of arrows
in the direction of arrows
A
to
B
.
5
First, insert the flat-blade screwdriver
into the cabinet and turn it in the direction
of the arrow
into the cabinet and turn it in the direction
of the arrow
C
to release two claws
6
.
Next, release all claws from
7
to
0
in
numerical order.
Note: Hold a cloth to the cabinet
Note: Hold a cloth to the cabinet
not to be damaged.
!¡
Remove two solders
of reel assy.
of reel assy.
8
claw
knob
(earphone/spaeker)
(earphone/spaeker)
!º
claw
A
B
!™
cabinet (rear)
Note: On installation of cabinet (rear),
adjust the knob (earphone/speaker)
and S1.
and S1.
3
knob (2 band)
2
knob (noise cut)
1
knob (power)
4
Remove two solders
of speaker leads.
of speaker leads.
5
MAIN board
– 4 –
REEL ASSY
4
reel assy
2
three screws
(B1.4
(B1.4
×
3)
3
Draw the ear receiver
in the direction of the arrow.
in the direction of the arrow.
1
blind plate