Read Sony ICF-303 / ICF-303L Service Manual online
1
Ver 1.1 2004. 04
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
9-927-146-12
2004D04-1
© 2004. 04
FM/AM RADIO
ICF-303
FM/LW RADIO
ICF-303L
Photo: ICF-303
SPECIFICATIONS
Frequency range:
Central and East European model
Band
ICF-303
FM
65 - 108 MHz
AM
530 - 1605 kHz
Italian model
Band
ICF-303
FM
87.5 - 108 MHz
AM
526.5 - 1606.5 kHz
Other countries model
Band
ICF-303
ICF303L
FM
87.5 - 108 MHz
87.5 - 108 MHz
AM
530 - 1605 kHz
—
LW
—
153 - 255 kHz
Speaker
Approx. 6.6 cm (2
5/8
inches) dia., 8
Ω
Output
v (earphone) jack (minijack)
Power output
100 mW (at 10 % harmonic distortion)
Power requirements
3 V DC, two R6 (size AA) batteries
3 V DC, two LR6 (size AA) batteries
3 V DC, two LR6 (size AA) batteries
Dimensions
Approx. 156.9
× 82.5 × 41.1 mm (w/h/d)
(6
1/4
× 3
1/4
× 1
5/8
inches) incl. projecting parts
and controls
Mass
Approx. 309.5 g (10.9 oz) incl. batteries
Supplied accessories
Operating instructions (1)
Design and specifications are subject to change without
notice.
notice.
Features
• Compact radio
• TUNE indicator for easy tuning
• TUNE indicator for easy tuning
SERVICE MANUAL
ICF-303/303L
Canadian Model
E Model
Australian Model
Chinese Model
ICF-303
AEP Model
ICF-303/303L
– 2 –
mark
Center
Frequency
Frequency
red
10.70 MHz
blue
10.67 MHz
orange
10.73 MHz
black
10.64 MHz
white
10.76 MHz
HOW TO CHANGE THE CERAMIC FILTERS
This model is used two ceramic filters of CF1 and CF3.
You must use same type of color marked ceramic filters in order to
meet same specifications.
Therefore, the ceramic filter must change two pieces together since
it’s supply two pieces in one package as a spare parts.
You must use same type of color marked ceramic filters in order to
meet same specifications.
Therefore, the ceramic filter must change two pieces together since
it’s supply two pieces in one package as a spare parts.
mark
mark
CF3
CF1
Notes on Chip Component Replacement
•
Never reuse a disconnected chip component.
•
Notice that the minus side of a tantalum capacitor may be
damaged by heat.
damaged by heat.
– 3 –
SECTION 1
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
– 4 –
1
Unsolder the 2 places.
2
3
screw (2x8)
4
claws
5
chassis assy
6
holder, jack
7
MAIN board
chassis
rack
A
Note : Follow the disassembly procedure in the numerical order given.
2-1. CABINET (REAR) ASSY
2-2. MAIN BOARD
SECTION 2
DISASSEMBLY
1
screws +P 2.6x12
5
screws B 1.7x4
6
lug 2.6
7
cabinet (REAR) assy
2
claw
3
claw
4
claw
• Setting the Pointer
1. Turn the gear (tuning capacitor) in the direction of
A
until it is stopped.
2. Place the rack as shown in the figure.
3. Mount the pointer.
3. Mount the pointer.