Sony ICFB-200 Service manual
ICF-B200
SERVICE MANUAL
Ver 1.0 2001. 01
Ver 1.3 2001. 02
SPECIFICATIONS
Frequency range
FM : 87.5 – 108 MHz
AM : 530 – 1,605 kHz
Speaker
Approx. 4.5 cm (1 3/4 inches) dia., 8 ohms
Power output
60 mW (Using the built-in rechargeable
battery)
90 mW (Using size AA (R6) dry batteries, not
supplied)
Output
v jack (minijack)
Power requirements
Built-in nickel-cadmium (2.4 V, 300 mAh,
Ni-Cd) battery or 3 V DC, two size AA (R6) dry
batteries
Dimensions
Approx. 163 × 80 × 55 mm (w/h/d)
(6 1/2 × 3 1/4 × 2 1/4 in)
Mass
Approx. 320 g (11.3 oz)
Approx. 355 g (12.6 oz) incl. batteries and
projecting parts
Supplied accessory
Hand strap (1)
US Model
Canadian Model
AEP Model
FEATURES
Self-powered emergency radio
• You may use the radio right away by turning the
handle of the power generator, which charges the
built-in nickel-cadmium (Ni-Cd) rechargeable
battery. —Hand generating function
• You may also use size AA (R6) dry batteries (not
supplied).
• Audio Beacon that alerts the surroundings.
• Useful dial light when tuning in the dark.
• Water-resistant for all weather operation*.
* Do not emmerse in water
This product is designed to be water-resistant,
but should not be emmersed in water or come in
continuous contact with water.
Before installing the batteries, be sure to wipe off
drops of water on the unit.
Design and specifications are subject to change
without notice.
9-925-744-13
2001B0400-1
© 2001. 2
Sony Corporation
Audio Entertainment Group
General Engineering Dept.
FM/AM RADIO
1
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.
TABLE OF CONTENTS
1. GENERAL
Power Sources ........................................................................ 3
Playing the Radio ................................................................... 3
Useful functions ..................................................................... 3
CF1
mark1 mark2mark1 mark2
CF3
mark1 mark2
red 10.70 MHz
blue 10.67 MHz
orange 10.73 MHz
black 10.64 MHz
white 10.76 MHz
white white 10.75 MHz
yellow 10.79 MHz
Center
Frequency
2. SERVICE NOTE ............................................................... 4
3. DISASSEMBLY
3-1. Cabinet (Rear) Assy ........................................................... 5
3-2. Main Board Assy................................................................ 5
3-3. Main Board ........................................................................ 6
3-4. Pointer Setting .................................................................... 6
4. ELECTRICAL ADJUSTMENTS ................................. 7
5. DIAGRAMS
5-1. Printed Wiring Boards........................................................ 9
5-2. Schematic Diagram .......................................................... 11
6. EXPLODED VIEWS
6-1. Cabinet (Rear) Section ..................................................... 13
6-2. Cabinet (Front) Section .................................................... 14
7. ELECTRICAL PARTS LIST ................................... 15
– 2 –
SECTION 1
GENERAL
This section is extracted
from instruction manual.
– 3 –
SERVICE NOTE
)
Moisture Resistant Treatment
•
Be sure to perform the following work when the cabinet,
telescopic antenna and knobs have been replaced in servicing :
Apply SONY grease SGL-505 (7-662-010-04) to all around the
rib of the cabinet (rear) with an applicator or other means. Also,
apply sealant TSE392-W (7-432-950-03) to the telescopic antenna
mounting points on the cabinet (rear), the battery terminals, and
all around the rib of the cabinet (front) assy.
SECTION 2
sealant TSE392-W (7-432-950-03)
SONY grease
SGL-505
(7-662-010-04
cabinet (rear)
Apply SONY grease SGL-505 (7-662-010-04) to the knobs and
gears at the points specified in the figure with an applicator or
other means.
grease applying
points (gear)
sealant TSE392-W (7-432-950-03)
cabinet (front) assy
grease applying
points
cabinet (front)
grease applying
points
cabinet (front)
grease applying points
cabinet (front)
– 4 –
)
SECTION 3
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
3-1. CABINET (REAR) ASSY
1
Open the battery case lid.
4 cabinet (rear) assy
3 tapping screws
(bind 2x20)
3-2. MAIN BOARD ASSY
3 PTP 3x10
7 JACK board
6 claws
5 generator
4 PTP 3x10
!¡ MAIN board assy
2 tapping screws
(bind 2x20)
8 screw (M1.7)
9 VOLUME board
!º holder (VOL)
Note for installation :
When installing the MAIN board assy ,
align the two slide switches with the levers.
2 knob (VOL
1 knob (TUNING)
– 5 –
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