Sony Dream Machine ICF-C111 Bedienungsanleitung
1
SERVICE MANUAL
E Model
ICF-C111
FM/AM CLOCK RADIO
SPECIFICATIONS
Ver 1.1 2001. 05
Sony Corporation
Personal Audio Company
Shinagawa Tec Service Manual Production Group
9-873-094-12
2001E0400-1
© 2001.5
Time display
12-hour system (AR, E13, SP)
24-hour system (E92, MX)
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 (E92, MX)
220 - 230 V AC, 50 Hz (AR, SP)
220 - 230 V AC, 60 Hz (E13)
For the power back-up function: 9V 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)
(5 7/8 ×4 ×4 7/8 inches) incl. projecting parts and controls
Mass
Approx. 580 g (1 lb 4.4 oz) not incl. battery
Design and specifications are subject to change without notice.
• Abbreviation
AR : Argentina model
E13 : AC 220 – 230 V area in E model
E92 : AC 120 V area in E model
MX : Mexican model
SP : Singapore model
2
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.................................................... 15
6-2. Cabinet (Lower) Section ................................................... 16
7. ELECTRICAL PARTS LIST ........................................ 17
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE
WITH MARK 0ON 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.
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.
ICF-C111
3
ICF-C111
SECTION 1
SERVICING NOTES
1-1. CORD DRESSING
(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).
1-2. POINTER ALIGNMENT
cabinet (lower) screw (P 3x10)
pwb, power cord retainer
power cord
1
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
s
of the knob (turning) with
the direction of CV1.
5
MAIN board
knob (tuning)
chassis section
2
Fit the pointer in the groove.
A
4
ICF-C111
SECTION 2
GENERAL This section is extracted
from instruction manual.
5
ICF-C111
• The equipment can be removed using the following procedure.
SECTION 3
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
3-1. PANEL (FRONT)
Set Panel (Front) Cabinet (Upper) Assy Chassis Section Main Board
1
screws (P 3x10)
claw
claw
claw
claws
2
panel (front)
6
ICF-C111
3-2. CABINET (UPPER) ASSY
3-3. CHASSIS SECTION
1
screws (P 3x30)
3
cabinet (upper) ass
y
2
screws (P 3x30)
2
screw (P 3x10)
3
chassis section
1
CN701
from MAIN board
from speaker
7
ICF-C111
3-4. MAIN BOARD
1
screw (P 3x10)
2
MAIN board
claw
claw
8
ICF-C111
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L4 CT4
86.5 MHz 109.5 MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3 CT3
86.5 MHz 109.5 MHz
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T1
455 kHz
AM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L2 CT2
520 kHz 1,750 kHz
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1 CT1
600 kHz 1,400 kHz
FM SECTION 0 dB = 1 µV
Setting:
BAND switch: FM
VOLUME switch: MIN
AM SECTION
Setting:
BAND switch: AM
VOLUME switch: MIN
SECTION 4
ELECTRICAL ADJUSTMENTS
FM lead wire
antenna terminal
0.01
µ
F
FM RF signal
generator
400Hz, 30% FM modulation
frequency deviation
±
22.5kHz
Output level: as low as possible
set
Put the lead-wire
antenna close to
the set.
AM RF signal
generator
400Hz, 30%
AM modulation
Output level: as low as possible
• Connecting Level Meter (FM and AM)
Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally done
by the trimmer capacitors.
speaker terminal
set
16
Ω
level meter
(range: 0.5–5 V ac
)
Adjustment Location: See page 9.
9
ICF-C111
Adjustment Location:
S1
BAND
FM
AM
CN701
SP1
(SPEAKER)
SP1
1
6
CT3 CT1
CT2
CT4
CV1
TUNING
L3
L1
L4
T1
L2
VR1
CT2, L2
AM
FREQUENCY
COVERAGE
ADJUSTMENT
CT4, L4
FM
FREQUENCY
COVERAGE
ADJUSTMENT
FM
LEAD WIRE
ANTENNA CT1, L1
AM
TRACKING
ADJUSTMENT
CT3, L3
FM
TRACKING
ADJUSTMENT
T1
AM
IF
ADJUSTMENT
–MAIN board (component side) –
10
ICF-C111 SECTION 5
DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
Common Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ωand 1/4W or less unless otherwise
specified.
•f: internal component.
•C: panel designation.
•A: B+ Line.
•H: adjustment for repair.
• Total current is measured.
• Power voltage is dc 9V and fed with regulated dc power
supply from battery terminal.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
( ) : AM
• Voltagesaretakenwith a VOM (Inputimpedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F: FM
f: AM
•Abbreviation
AR : Argentina model.
E13 : AC 220 – 230 V area in E model.
E92 : AC 120 V area in E model.
MX : Mexican model.
SP : Singapore model.
Note: The components identified by mark 0or dotted line
with mark 0are critical for safety.
Replace only with part number specified.
Common Note on Printed Wiring Boards:
•X: parts extracted from the component side.
•Y: parts extracted from the conductor side.
•f: internal component.
•: Pattern from the side which enables seeing.
•Abbreviation
AR : Argentina model.
E13 : AC 220 – 230 V area in E model.
E92 : AC 120 V area in E model.
MX : Mexican model.
SP : Singapore model.
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