Sony ICF-C111 Service manual
ICF-C111
SERVICE MANUAL
Ver 1.0 2001.03
SPECIFICATIONS
Time display
24-hour system
Frequency range
FM: 87.5 - 108 MHz
AM: 530 - 1710 kHz
Speaker
Approx. 6.6 cm (2 5/8 inches) dia., 8 ohm
Power output
100 mW (at 10% harmonic distortion)
Power requirements
120 V AC, 60 Hz (E model)
220 - 230 V AC, 50 Hz (Singapore model)
For the power back-up function: 9 V DC, one 6F22 battery
Battery life
Approx. 60 hours, using Sony S-006P (6F22) battery
Dimensions
Approx. 146.5 × 100.5 × 123 mm (w/h/d)
7/8 × 4 × 4 7/8 inches) incl. projecting parts and controls
(5
Mass
Approx. 580 g (1 lb 4.4 oz) not incl. battery
Design and specifications are subject to change without notice.
E Model
9-873-094-11
2001C0400-1
© 2001.3
FM/AM CLOCK RADIO
Sony Corporation
Audio Entertainment Group
General Engineering Dept.
1
ICF-C111
Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
TABLE OF CONTENTS
1. SERVICING NOTES
1-1. Cord Dressing (Power Cord) ............................................... 3
1-2. Pointer Alignment ............................................................... 3
2. GENERAL
Setting the Clock ..................................................................... 4
Operating the Radio ................................................................. 4
Setting the Alarm ..................................................................... 4
Setting the Sleep Timer ........................................................... 4
3. DISASSEMBLY
3-1. Panel (Front)........................................................................ 5
3-2. Cabinet (Upper) Assy .......................................................... 6
3-3. Chassis Section ................................................................... 6
3-4. Main Board ......................................................................... 7
4. ELECTRICAL ADJUSTMENTS................................... 8
5. DIAGRAMS
5-1. Block Diagram .................................................................. 11
5-2. Printed Wiring Board ........................................................ 12
5-3. Schematic Diagram ........................................................... 13
6. EXPLODED VIEWS
6-1. Cabinet (Upper) Section .................................................... 14
6-2. Cabinet (Lower) Section ................................................... 15
7. ELECTRICAL PARTS LIST......................................... 16
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
2
1-1. CORD DRESSING
s
(POWER CORD)
1) Connect the power cord as shown in the figure.
2) Mount the chassis with screws (P 3 × 10).
Note: Tighten completely the screws (P 3 × 10).
ICF-C111
SECTION 1
SERVICING NOTES
cabinet (lower)
screw (P 3x10)
pwb, power cord retainer
power cord
1-2. POINTER ALIGNMENT
2
Fit the pointer in the groove.
5
MAIN board
1
knob (tuning)
A
Turn this in the arrow direction
until stopped.
3
Fit the protrusion on the
pointer in the hole A.
4
Align the notch on the bos
of the knob (turning) with
the direction of CV1.
chassis section
3
ICF-C111
SECTION 2
GENERAL
This section is extracted
from instruction manual.
4
SECTION 3
DISASSEMBLY
• The equipment can be removed using the following procedure.
Set Panel (Front) Cabinet (Upper) Assy Chassis Section Main Board
Note : Follow the disassembly procedure in the numerical order given.
3-1. PANEL (FRONT)
claws
claw
ICF-C111
2
panel (front)
claw
claw
1
screws (P 3x10)
5
ICF-C111
y
3-2. CABINET (UPPER) ASSY
3
cabinet (upper) ass
3-3. CHASSIS SECTION
from MAIN board
1
2
screws (P 3x30)
CN701
from speaker
2
screw (P 3x10)
3
chassis section
1
screws (P 3x30)
6
Loading...