Sony ICF-C111 Service Manual ▷ View online
10
ICF-C111
SECTION 5
DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
BOARDS AND SCHEMATIC DIAGRAMS.
Common Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W 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
• 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
(
no mark : FM
(
) : AM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: FM
f
: AM
•
Abbreviation
AR
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
0
or dotted line
with mark
0
are 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
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.
ICF-C111
11
11
5-1. BLOCK DIAGRAM
28
16
9
1
|
13
23
21
22
24
27
AF POWER
AMP
FM IF
AM IF
FM
DISCRIMINATOR
5
17
18
RIPPLE
FILTER
INPUT
CONTROL
ALARM TIME CTR
OUTPUT
CONTROL
DISPLAY
CONTROL
LED101
CLOCK DISPLAY
DISPLAY
DECODER/
DRIVER
OSC
1/25 or 1/30
Q201
SWITCH
Q202
16
18
19
S7
SLEEP
S3
TIME SET
M
S4
SLEEP
INPUT
ALARM
DISP
MIN SET
HOUR SET
SNOOZE INPUT
TIME SET
H
S7
SNOOZE/SLEEP OFF
S2
(Function Selector)
+B
BUZZER
ALARM
ALARM
RADIO
RADIO ON
OFF
S6
CLOCK
S5
ALARM
D203
AR, E13, SP MODEL
DRY BATTERY
"S-006P" 9V
(IEC DESIGNATION 6F22)
AC IN ~
LED102
+B
W703
1-13
14-16
L3
CV1-3 CT3
CV1-4 CT4
CV1-1 CT1
CV1-2 CT2
CT3,L3
FM
TRACKING
L4
L1
L2
CT4,L4
FM
FREQUENCY
COVERAGE
CT2,L2
AM
FREQUENCY
COVERAGE
CT1,L1
AM
TRACKING
AM
FERRITE-ROD
ANTENNA
CV1
TUNING
T1
AM IF
FM FRONT
-END
AM FRONT
-END
IC1
FM/AM
FRONT-END
IF AMP,DET
FM ANT
FM RF
FM OSC
AM ANT
AM OSC
VREG
13
10
15
8
11
6
MIX OUT
CF3
CF2
T1
FM
IF IN
IF IN
AF IN
AF OUT
NF
+B
+B
+B
+B
+B
+B
DET OUT
AM
IF IN
IF IN
DISCRI
VOL
CF1
10.7MHz
VREG
Q1
VR1
w
VOLUME
IC101
ALARM CLOCK
S1
BAND
FM
AM
BAND SW
CN701
(1/2)
CN701
(2/2)
1
2
SP1
(SPEAKER)
KEEP THE CORRECT
TIME DURING POWER
STOPPAGE
REG
FM
LEAD WIRE
ANTENNA
SLEEP
OUT
ALARM
OUT
ALARM OFF
S2-1
S2-2
D201
T2
D202
D204
D205
MAIN BOARD
TRANSFORMER
BOARD
BOARD
3
• Signal path
: FM
: AM
• Abbreviation
AR : Argentina model
E13 : AC220-230V area in E model
E92 : AC120V area in E model
MX : Mexican model
SP : Singapore model
AR : Argentina model
E13 : AC220-230V area in E model
E92 : AC120V area in E model
MX : Mexican model
SP : Singapore model
4
24
25
17
4
3
5
6
D101
E92, MX MODEL
PS101
AR, E13, SP
MODEL
MODEL
E92, MX MODEL
ICF-C111
12
12
5-2. PRINTED WIRING BOARD • Refer to page 10 for Common Note on Printed Wiring Boards.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
15
C20
CV1-1
CV1-3
CV1-2
CV1-4
R1
BPF1
FM LEAD WIRE
ANTENNA
L3
CF3
CF2
C19
R4
T1
C5
L4
C18
C13
C10
C9
S2
C8
S7
SLEEP
S5
ALARM
S6
CLOCK
S3
TIME SET
M
S4
TIME SET
H
S8
SNOOZE/
SLEEP OFF
CF1
JW5
IC1
C7
R2
R107
R106
(SHIELD)
R104
C107
JW102
C6
JW7
Q1
Q202
R103
C210
JC103
R5
L2
C1
R6
JW3
C3
C11
C12
C14
C16
C15
R105
JW207
JW101
C104
JW209
R210
R209
D205
D204
C205
C204
R204
R214
R213
R212
JC105
R120
C102
C103
JC101
R101
C101
R206
D202
D201
JC102
C202
C201
R205
C2
VR1
w
VOLUME
CT3
CT1
CT2
CT4
CV1
TUNING
D101
BLK
RED
DRY BATTERY
"S-006P" 9V
(IEC DESIGNATION 6F22)
KEEP THE CORRECT
TIME DURING POWER
STOPPAGE
JW201
JW204
JW202
JW203
Q201
JW104
LED102
ALARM
W701
1
2
3
4
1-680-065-
11
(11)
1-680-064-
11
(11)
TRANSFORMER BOARD
MAIN BOARD
15
16
10
5
1
20
30
25
BLK
RED
WHT
L1
AM FERRITE-ROD
ANTENNA
S1
BAND
FM
AM
1
1
5
10
15
17
1
1
2
3
4
3
6
5
10
14
28
JW206
C206
C207
C203
JW205
CN701
25
20
15
IC101
W703
SP1
(SPEAKER)
-2
-1
D203
S2
(Function Selector)
ALARM
BUZZER
RADIO
RADIO ON
OFF
LED101
T2
POWER
TRANSFORMER
PS101
C
B
E
AR, SP MODEL
AR, E13, SP MODEL
AR, E13, SP MODEL
E92, MX MODEL
E
B
C
AC IN ~
E92, MX MODEL
AR, E13, SP MODEL
AR, E13, SP MODEL
TLM1
TLM2
AR, E13, SP MODEL
E92, MX MODEL
D101
F-6
D201
H-9
D202
H-9
D203
D-9
D204
H-5
D205
H-5
IC1
D-5
IC101
H-7
LED101
I-6
LED102
I-2
Q1
G-2
Q201
F-9
(Q202)
D-9
• Semiconductor
Location
Ref. No.
Location
( ) : E92, MX MODEL
ICF-C111
13
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
IC B/D
(Function Selector)
E92, MX MODEL
AR, E13, SP MODEL
E92, MX MODEL
AR, E13, SP MODEL
AR, SP MODEL
AR, E13, SP MODEL
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