Sony ICFF-1 Service manual
ICF-F1
SERVICE MANUAL
Ver 1.0 2000. 05
SPECIFICATIONS
Frequency range:
FM : 87.5 - 108 MHz
AM : 526.5 - 1 606.5 kHz
Speaker
Approx. 10.0 cm (4 inches) dia., 8 Ω
Output
v (earphone) jack (ø 3.5 mm minijack)
Power output
250 mW (at 10 % harmonic distortion)
Power requirements
4.5V DC, three R14 (size C) batteries
DC IN 4.5V jack accepts: Sony AC-E45HG AC
power adaptor (not supplied)
Dimensions
Approx. 130 × 237 × 71.5 mm (w/h/d)
1
/8 × 9 3/8 × 2 7/8 inches) incl. projecting parts
(5
and controls
Mass
Approx. 673.5 g (1 lb 8 oz) incl. batteries
AEP Model
Design and specifications are subject to change without notice.
FM/AM RADIO
SECTION 1
GENERAL
This section is extracted
from instruction manual.
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.
Flexible Circuit Board Repairing
• Keep the temperature of soldering iron around 270˚C
during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
— 2 —
SECTION 2
y
DISASSEMBLY
Note : Disassemble the unit in the order as shown below.
Cabinet (rear) assySet Chassis assy Speaker (SP1)
Vol board Main board
Note : Follow the disassembly procedure in the numerical order given.
2-1. CABINET (REAR) ASSY
4 Four screws (+BTP 3 × 12)
5
Cabinet (rear) assy
1 Push the knob (Battery box).
3 Two screws (+BTP 3 × 12)
2-2. CHASSIS ASSY 2-3. SPEAKER (SP1)
Claw
1
Knob
(tune)
5
Knob (vol)
2 Box, batter
2
O ring
(DIA 12.5)
3
Spring,
ring
9
6
O ring (vol)
8
(+P 2.6
4
E ring
Chassis assy
7
Remove
solderings
T wo screws
×
8)
— 3 —
Two claws
3 Speaker (10 cm)(SP1)
2
1 Spring, SP detent
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