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
Page 3
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
Page 4
ICF-C111
SECTION 2
GENERAL
This section is extracted
from instruction manual.
4
Page 5
SECTION 3
DISASSEMBLY
• The equipment can be removed using the following procedure.
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
Page 6
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
Page 7
3-4. MAIN BOARD
claw
1
screw (P 3x10)
claw
2
MAIN board
ICF-C111
7
Page 8
ICF-C111
)
SECTION 4
ELECTRICAL ADJUSTMENTS
FM SECTION 0 dB = 1 µV
Setting:
BAND switch: FM
VOLUME switch: MIN
FM RF signal
generator
0.01
400Hz, 30% FM modulation
frequency deviation
Output level: as low as possible
±
22.5kHz
AM SECTION
Setting:
BAND switch: AM
VOLUME switch: MIN
AM RF signal
generator
400Hz, 30%
AM modulation
Output level: as low as possible
FM lead wire
antenna terminal
µ
F
set
Put the lead-wire
antenna close to
the set.
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L4CT4
86.5 MHz109.5 MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3CT3
86.5 MHz109.5 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.
L2CT2
520 kHz1,750 kHz
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1CT1
600 kHz1,400 kHz
Adjustment Location: See page 9.
• Connecting Level Meter (FM and AM)
level meter
(range: 0.5–5 V ac
Ω
16
set
speaker terminal
Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally done
by the trimmer capacitors.
8
Page 9
Adjustment Location:
FM
LEAD WIRE
ANTENNA
– MAIN board (component side) –
CT3, L3
FM
TRACKING
ADJUSTMENT
ICF-C111
CT1, L1
AM
TRACKING
ADJUSTMENT
SP1
CN701
1
6
SP1
(SPEAKER)
T1
T1
AM
IF
ADJUSTMENT
CT4, L4
FM
FREQUENCY
COVERAGE
ADJUSTMENT
L1
L3
L4
CT2, L2
AM
FREQUENCY
COVERAGE
ADJUSTMENT
CV1
TUNING
CT1
CT3
CT2
CT4
L2
S1
BAND
FM
AM
VR1
9
Page 10
ICF-C111
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 Ω and 1/
specified.
f
•
• C : panel designation.
Note: The components identified by mark 0 or dotted line
• A : B+ Line.
• H : adjustment for repair.
• Total current is measured.
• Power voltage is dc 9V and fed with regulated dc power
• Voltage is dc with respect to ground under no-signal
• Voltages are taken with a VOM (Input impedance 10 MΩ).
• Waveforms are taken with a oscilloscope.
• Signal path.
• Abbreviation
: internal component.
with mark 0 are critical for safety.
Replace only with part number specified.
supply from battery terminal.
(detuned) condition.
no mark : FM
() : AM
Voltage variations may be noted due to normal production tolerances.
Voltage variations may be noted due to normal production tolerances.
F: FM
f: AM
SP: Singapore model.
4
W or less unless otherwise
SECTION 5
DIAGRAMS
Common Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
f
•
•: Pattern from the side which enables seeing.
• Abbreviation
: internal component.
SP: Singapore model.
10
Page 11
5-1. BLOCK DIAGRAM
ICF-C111
FM
LEAD WIRE
ANTENNA
MAIN BOARD
CT3,L3
FM
TRACKING
CT4,L4
FM
FREQUENCY
COVERAGE
CT1,L1
AM
TRACKING
FERRITE-ROD
CT2,L2
AM
FREQUENCY
COVERAGE
ANTENNA
CV1-3 CT3
L3
CV1-4 CT4
L4
L1
L2
CV1
TUNING
LED101
CLOCK DISPLAY
CV1-1 CT1
CV1-2 CT2
AM
• Signal path
: FM
: AM
• Abbreviation
SP : Singapore model
S1
BAND
FM
AM
16
BAND SW
FM ANT
13
FM FRONT-ENDAM FRONT-END
MIX OUT
REG
9
OSC1/25 or 1/30
DISPLAY
DECODER/
DRIVER
FM RF
1015
FM OSC
8
AM ANT
11
AM OSC
6
W703
1-13
1
|
13
14-16
+B
VREG
SLEEP
CF1
10.7MHz
3
DISCRI
FM
DISCRIMINATOR
ALARM
DISP
19
S5
ALARM
FM
IF IN
18
AM
IF IN
17
FM/AM
FRONT-END
IF AMP,DET
IC101
ALARM CLOCK
S3
TIME SET
M
D101
IC1
CF3
T1
CF2
T1
AM IF
DISPLAY
CONTROL
SLEEP
INPUT
23212224
S7
FM IF
AM IF
ALARM TIME CTR
INPUT
CONTROL
MIN SET
DET OUT
HOUR SET
S6
CLOCK
2425
+B
27
S4
TIME SET
H
VR1
w VOLUME
AF IN
OUTPUT
CONTROL
SNOOZE INPUT
SNOOZE/SLEEP OFF
+B
AF POWER
AMP
Q201
RIPPLE
FILTER
SLEEP
ALARM
ALARM OFF
S7
5
VOL
OUT
OUT
Q1
AF OUT
17
16
18
(Function Selector)
VREG
28
NF
4
S2-1S2-2
S2
BUZZER
RADIO
RADIO ON
ALARM
OFF
+B
E MODEL
+B
SWITCH
Q202
LED102
D203
SP MODEL
D201
D202D204
+B
+B
+B
ALARM
D205
CN701
CN701
(2/2)
(1/2)
2
1
4
3
5
6
SP1
(SPEAKER)
DRY BATTERY
"S-006P" 9V
(IEC DESIGNATION 6F22)
KEEP THE CORRECT
TIME DURING POWER
STOPPAGE
SP MODEL
PS101
E MODEL
T2
AC IN ~
TRANSFORMER
BOARD
1111
Page 12
ICF-C111
5-2. PRINTED WIRING BOARD • Refer to page 10 for Common Note on Printed Wiring Boards.
A
B
C
D
E
F
G
H
1
w VOLUME
LED102
ALARM
VR1
23456789101112131415
• Semiconductor
Location
Ref. No.Location
D101F-6
D201H-9
D202H-9
D203D-9
D204H-5
D205H-5
IC1D-5
IC101H-7
LED101I-6
LED102I-2
Q1G-2
Q201F-9
(Q202)D-9
( ) : E MODEL
11
1-680-065-
(11)
AC IN ~
R107
BE
R106
MAIN BOARD
TUNING
C20
CV1-1CV1-3
CT3
CT1
CT2
CV1-2CV1-4
C1
S1
BAND
FM
AM
JW7
Q1
C
R104
C107
JW102
C6
CV1
CT4
FM LEAD WIRE
ANTENNA
BLKRED
WHT
BPF1
L3
C2
R6
L4
R5
L2
JW5
S7
SLEEP
C3
R210
JW209
C8
R2
C210
C205
CF1
R103
D205
SNOOZE/
SLEEP OFF
JW101
R209
L1
AM FERRITE-ROD
ANTENNA
CF3
R1
1516
10
5
1
D204
C5
C7
S5
ALARM
S8
IC1
C19
C204
C11C12
D101
C104
R204
20
25
C14
30
R105
JW3
C16
R212
CF2
C9
R213
R4
-2
-1
C10
C13
C15
S3
TIME SET
M
R214
T1
JW207
JC105
ALARM
BUZZERRADIORADIO ONOFF
S2
JW201
C18
C207
S4
TIME SET
H
IC101
C102
R120
SP MODEL
51014
252015
C103
R101
JC101
28
C101
1
JC102
15101517
S2
(Function Selector)
JW204
JW203
R205
JW104
C206
JW206
C202
R206
C201
W703
SP MODEL
JC103
EB
Q201
C203
D202
D201
Q202
C
JW202
S6
CLOCK
JW205
CN701
1
3
6
1-680-064-
BLK
RED
D203
4
3
2
1
DRY BATTERY
"S-006P" 9V
(IEC DESIGNATION 6F22)
KEEP THE CORRECT
TIME DURING POWER
STOPPAGE
E MODEL
SP1
(SPEAKER)
11
(11)
1
2
3
4
T2
POWER
TRANSFORMER
TRANSFORMER BOARD
SP MODEL
PS101
W701
TLM1TLM2
E MODEL
E MODELSP MODELSP MODEL
I
(SHIELD)
LED101
J
1212
Page 13
5-3. SCHEMATIC DIAGRAM • Refer to page 10 for Common Note on Schematic Diagram and page 14 for IC Block Diagrams.
IC B/D
ICF-C111
IC B/D
(Function Selector)
1313
Page 14
ICF-C111
SECTION 6
EXPLODED VIEWS
• IC Block Diagrams
IC1 CXA1019S
GND
GND
AF OUT+BRIPPLE
FILTER
AF IN
DET OUT
AFC (J)AGC
AFC (W)AGC
23 22 21 2024251918 17 1629 28 27 2630
AM IF DET AGC
AF POWER AMPAM FEFM IF
FM
DISCRIMINATOR
FM FE
2 3
1
GND
GND
56789
4
NF
VOL
DISCRI
AFC
AM OSC
10
REG
FM OSC
IF GND
TUNING
METER
FM RF
LED
11
AM ANT
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
NC
FM IF IN
AM IF IN
BAND SW
• Abbreviation
SP : Singapore model
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
R
Parts Color Cabinet’s Color
• Accessories and packing materials are
given in the last of this parts list.
R
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
R11-216-815-11 METAL CHIP3305%1/16W
R21-216-805-11 METAL CHIP475%1/16W
R41-216-825-11 METAL CHIP2.2K5%1/16W
R51-216-825-11 METAL CHIP2.2K5%1/16W
R61-216-821-11 METAL CHIP1K5%1/16W
R1011-216-849-11 METAL CHIP220K5%1/16W
R1021-216-845-11 METAL CHIP100K5%1/16W
R1031-216-845-11 METAL CHIP100K5%1/16W
R1041-216-841-11 METAL CHIP47K5%1/16W
R1051-216-835-11 METAL CHIP15K5%1/16W
R1061-216-815-11 METAL CHIP3305%1/16W
R1071-216-832-11 METAL CHIP8.2K5%1/16W
R2041-216-801-11 METAL CHIP225%1/16W
R2051-216-821-11 METAL CHIP1K5%1/16W
R2061-249-409-11 CARBON2205%1/4W
R2091-249-389-11 CARBON4.75%1/4W
R2101-249-389-11 CARBON4.75%1/4W
R2121-216-833-11 METAL CHIP10K5%1/16W
R2131-216-833-11 METAL CHIP10K5%1/16W
R2141-216-833-11 METAL CHIP10K5%1/16W
< SWITCH >
S11-692-181-21 SWITCH, SLIDE (BAND)
S21-771-904-11 SWITCH, SLIDE (Function selector)
S31-692-014-11 SWITCH, KEYBOARD (TIME SET M)
S41-692-014-11 SWITCH, KEYBOARD (TIME SET H)
S51-692-014-11 SWITCH, KEYBOARD (ALARM)
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
17
Page 18
ICF-C111
REVISION HISTORY
Clicking the version allows you to jump to the revised page.
Also, clicking the version at the upper right on the revised page allows you to jump to the next revised
page.
Ver.DateDescription of Revision
1.02001. 03New
18
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