Sony ICF-C411 Service Manual ▷ View online
ICF-C411
13
13
5-5. SCHEMATIC DIAGRAM • Refer to page 9 for Common Note on Schematic Diagram and page 14 for IC Block Diagrams.
IC B/D
IC B/D
ICF-C411
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
• 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
14
SECTION 6
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
6-1. CABINET (UPPER) SECTION
Ref. No.
Part No.
Description
Remark
1
3-226-466-01 WINDOW
2
7-685-649-79 SCREW +P 3X14 TYPE2 NON-SLIT
3
3-226-461-11 PANEL
4
7-685-132-19 SCREW +P 2.6X5 TYPE2 NON-SLIT
5
3-226-463-01 BUTTON (SNOOZE)
6
3-226-464-01 KNOB (CLOCK)
7
X-3380-687-1 CABINET (UPPER) ASSY
8
3-226-459-01 KNOB (VOLUME)
* 9
A-3663-783-A KEY BOARD, COMPLETE
* 10
1-680-059-11 LED BOARD
11
7-685-647-79 SCREW +P 3X10 TYPE2 NON-SLIT
12
3-231-394-01 LABEL (CLOCK)
13
3-226-469-01 KNOB (BRIGHTNESS)
14
1-757-686-11 CORD, CONNECTION (17 CORE)
LED101 8-719-083-41 LED SL-3G4008-79T
SP1
SP1
1-529-456-11 SPEAKER (6.6cm)
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.
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 and packing materials are
given in the last of this parts list.
R
R
The components identified by
mark
mark
0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
1
2
2
2
3
4
5
12
6
7
8
9
10
14
11
13
SP1
LED101
15
ICF-C411
6-2. CHASSIS SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 51
A-3683-289-A MAIN BOARD, COMPLETE
52
7-685-647-79 SCREW +P 3X10 TYPE2 NON-SLIT
53
3-226-468-01 HOLDER (ANTENNA)
54
3-226-467-01 GEAR (VC)
55
3-226-465-01 KNOB (BAND)
56
3-226-456-01 CHASSIS
57
3-226-460-01 POINTER
58
3-226-457-01 SHAFT
59
3-226-458-01 KNOB (TUNING)
60
1-754-135-11 ANTENNA (WIRE)
L1
1-419-532-11 COIL, FERRITE-ROD ANTENNA (AM)
51
52
53
52
60
L1
54
55
56
not supplied
57
58
59
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