Sony ICF-C115 Service Manual ▷ View online
ICF-C115
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
CV1-4
CV1-3
CV1-2
CV1-1
JW3
S1
SP1
IC101
T301
IC1
RV1
T1
R8
L4
CT3
L1
L2
CT6
C15
C14
L3
R9
C17
C11
C9
R10
R5
Q1
JW16
C35
R14
C18
JW14
JW1
JW4
D1
D2
CF1
CF2
C21
C22
C24
C25
C27
C26
C28
C29
Q302
R305
C306
C10
R107
R105
C102
R112
C103
JW107
R108
R109
R109
R110
R136
C118
C119
D111
D112
R135
R137
R101
R104
R103
D104
D103
S101
JW106
R134
JW
115
C113
R116
S104
R113
JW112
JW113
C107
S109
S110
S108
R132
Q105
R118
C114
R304
Q301
C105
C100
C104
R117
R100
R122
C108
R123
C109
JW104
C106
R124
S102
S103
R114
R115
JW110
R127
S111
C116
C117
CN1
C302
C301
D301
C303
JW301
JW109
C115
R301
C304
R133
C111
R125
S105
S106
S107
R119
R121
R128
R129
R131
BPF1
C1
C3
C2
C5
C4
R2
C6
R12
C16
C34
R15
C23
JW15
R4
D107
D106
Q102
JW102
R106
C101
Q101
D105
R102
JC103
D109
D108
JW
114
JC102
C112
R126
D304
D113
PS301
JW111
R3
CT5
CT4
CF3
LED101
JW108
R302
D302
ICF-C115
14
14
1
2
3
4
5
6
7
8
9
10
15
14
13
12
11
FM
DISCRIMINATOR
AF POWER AMP
AM FE
FM IF
TUNING
METER
AM IF DET AGC
FM FE
23
22
21
20
24
25
19
18 17 16
29 28 27 26
30
GND
GND
AF OUT
+B
RIPPLE
FIL
TER
AF IN
DET OUT
AFC (J)AGC
AFC (W)AGC
IF GND
LED
NC
FM IF IN
AM IF IN
BAND SW
NC
MIX OUT
FE GND
AM ANT
FM RF
REG
FM OSC
FM ANT
AFC
AM OSC
VOL
NF
DISCRI
GND
GND
IC1 CXA1019S
5-4. IC BLOCK DIAGRAMS
IC101 LM8562
28
27
26
25
20 19 18
17
16 15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
AM & 10
, S
HR AG & DE
PM & 10
, S HR B
10
, S HR C & HR E
10
, S MIN A & F
10
, S MIN B & G
10
, S MIN C & D
MIN A & F
COLON OUTPUT
MIN C & D
MIN B & G
10
, S MIN E
& MIN E
HR B & G
HR C & D
HR A & F
TIME SET INPUT
VDD
VSS
SLEEP/SNOOZE
RT-TIME
SET/DIMMER
MODE
SELECT
50/60Hz
INPUT
ON/OFF INPUT
ALM DISP SELECT
ALM-2 OUTPUT
ALM-1 OUTPUT
RADIO OUTPUT
SPEED/
POWER DOWN
CR OSC
DISPLAY DECODER/DRIVER
T
T
T
T
OUTPUT
CONTROL
DISPLAY
CONTROL
PWR UP
INPUT
CONTROL
ALARM 1 CTR
ALARM 2 CTR
TIME CTR
TIME
SET
BLANK
FLASH
SLEEP
CTR
SNOOZE
CTR
STAND
BY DET
OSC
CTR
GATE
1/2
GATE
PF.
DET
SEC
CTR
CTR
1/25 or 1/30
INNER
OSC
CONTROL
GATE
COMP.
CONTROL
RESET
CONTROL
T
T
T
T
24
23
22
21
ON
OFF
50/60 SEL
12/24 SEL
SEC,TIME,ALARM 1/2,SLEEP
RESET
U/D
SET CK
DIMMER
RT-SET
2Hz
1Hz
RESET
THREE
INPUT
CIRCUIT
15
ICF-C115
SECTION 6
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
6-1. CABINET (UPPER) SECTION
Ref. No.
Part No.
Description
Remark
1
3-369-135-21 LID, BATTERY CASE
2
X-3383-418-1 CABINET (UPPER) DUAL ASSY
(GRAY)...(BLACK)
2
X-3383-419-1 CABINET (UPPER) DUAL ASSY
(WHITE)...(WHITE)
3
3-246-791-01 KNOB (FUNCTION) (GRAY)...(BLACK)
3
3-246-791-11 KNOB (FUNCTION) (WHITE)...(WHITE)
4
3-246-788-11 PANEL (FRONT)
#1
7-685-134-19 SCREW +P 2.6X8 TYPE2 NON-SLIT
#2
7-685-153-19 SCREW +P 3X30 TYPE2 NON-SLIT
NOTE:
• The mechanical parts with no reference
• 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.
Some delay should be anticipated
when ordering these items.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
• Accessories are given in the last of this parts
list.
R
R
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
3
2
1
4
#1
#2
#2
Ver. 1.1
16
ICF-C115
6-2. MAIN BOARD SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
52
51
53
54
55
56
57
58
59
60
61
#3
#3
#3
#3
L4
not supplied
not supplied
(
(
POWER CORD RETAINER board)
not supplied
(TRANSFORMER board)
(TRANSFORMER board)
SP1
LED101
T301
51
3-919-268-01 KNOB (VOL) (GRAY)...(BLACK)
51
3-919-268-11 KNOB (VOL) (LIGHT GRAY)...(WHITE)
52
3-246-784-01 CABINET (LOWER) (GRAY)...(BLACK)
52
3-246-784-11 CABINET (LOWER) (WHITE)...(WHITE)
53
3-246-344-11 FOOT, RUBBER
0 54
1-555-795-00 CORD, POWER
* 55
A-3347-349-A MAIN BOARD, COMPLETE (BLACK)
* 55
A-3663-992-A MAIN BOARD, COMPLETE (WHITE)
56
3-226-590-01 HOLDER (ANTENNA)
57
1-535-804-71 SNAP, BATTERY
58
1-754-135-11 ANTENNA (WIRE)
59
3-553-567-00 CUSHION
60
3-246-786-01 KNOB (TUNING) (GRAY)...(BLACK)
60
3-246-786-11 KNOB (TUNING) (LIGHT GRAY)...(WHITE)
61
3-246-787-01 POINTER
L4
1-419-532-41 COIL, FERRITE-ROD ANTENNA (AM)
LED101 6-500-503-01 LED COG509T0E1
SP1
SP1
1-529-456-13 SPEAKER (6.6cm)
0 T301
1-433-574-31 TRANSFORMER, POWER
#3
7-685-647-79 SCREW +P 3X10 TYPE2 NON-SLIT
Ver. 1.1
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