Sony ICF-C201 / ICF-C205 (serv.man3) Service Manual ▷ View online
SERVICE MANUAL
Ver 1.2 2011.04
SUPPLEMENT-1
In this unit, MAIN board has been changed in the midway of production.
Discrimination, printed wiring board, schematic diagram and electrical parts
list of changed MAIN board are described in this supplement-1.
Refer to original service manual for other information.
Discrimination, printed wiring board, schematic diagram and electrical parts
list of changed MAIN board are described in this supplement-1.
Refer to original service manual for other information.
ICF-C201/C205
Subject: Change of MAIN board (Suffix-12)
1.
NEW/FORMER TYPE DISCRIMINATION
Distinguish by the part number of the silk print.
File this supplement with the service manual.
E Model
ICF-C201/C205
Australian Model
ICF-C205
Former : 1-869-814-11
New
New
: 1-869-814-12
– MAIN Board (Component Side) –
9-887-137-81
2
ICF-C201/C205
Note on Printed Wiring Board:
•
X
: Parts extracted from the component side.
•
Y
: Parts extracted from the conductor side.
•
f
: Internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
Abbreviation
AR
AR
: Argentina model
SP
: Singapore model
TH
: Thai model
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
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.
•
A
: B+ Line.
•
Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM
(
(detuned) conditions.
no mark : FM
(
) : AM
•
Voltages are taken with VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Signal path.
F
: FM
f
: AM
•
Abbreviation
AR
AR
: Argentina model
SP
: Singapore model
TH
: Thai model
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
2.
DIAGRAMS
•
Note for Printed Wiring Boards and Schematic Diagrams
ICF-C201/C205
3
3
ICF-C201/C205
2-1. PRINTED WIRING BOARD
t
t
t
SNOOZE/SLEEP OFF
BAND
AM
FM
t
VOL
N
N
BCE
L5
L5
L6
L6
D8
12
(12)
1-869-814-
D4
D3
D5
D6
D1
D2
JW1
JW2
JW4
JW3
JW8
JW6
R10
L1
AM
FERRITE-BAR
ANTENNA
DRY BATTERY
"S-006P"
(IEC DESIGNATION 6F22)
1PC. 9V
(POWER BACK UP FOR CLOCK)
SP1
+
–
T2
POWER TRANSFORMER
AC IN
R8
R16
R9
R7
R4
R1
R6
R2
R15
R14
R3
1
1
5
5
10
1
5
10
10
15 16
14
14
15
20
25
28
15
20
25
28
IC2
IC1
D7
LED DISPLAY
1
2
3
4
1 2
3 4
C26
C8
C6
C3
C2
C1
C33
JW5
L2
JW7
C38
W1
CF1
CF2
S6
CLOCK
S5
S5
TIME SET
H
S4
S4
TIME SET
M
S3
ALARM
S7
SLEEP
CF3
L4
S2
OFF
RADIO
RADIO
BUZZER
ALARM MODE
ON
S2
ANT1
FM WIRE
ANTENNA
T1
RV1
C28
C22
C21
(C205)
(C205:SP,AR,TH)
(C201)
(C205)
(C201)
(C201)
(C201)
(C205)
C32
C23
C20
C19
C31
C4
C18
C24
C25
C37
C5
C17
C39
C27
C14
C36
C10
C35
C11
C16 C15 C13 C12
C9
L3
CV1
CV4
CV2
CV3
CT2
CT3
CT1
CT4
CV1-4
CV1-4
TUNING
Q1
(C205)
(C205)
(C205)
(C205)
(C205)
(C205)
(C205)
(C201)
(C201)
(C205)
(C201)
(C201)
BOARD
MAIN
RV1
VOL
S8
S8
RV1
S1
S1
2
3
4
5
6
7
8
A
1
B
C
D
ICF-C201/C205
4
4
ICF-C201/C205
2-2. SCHEMATIC DIAGRAM
IC1
L2
L3
C3
R1
R14
C5
C6
C8
R2
JW1
S1
C9
R6
T1
CF1
CF2
C10
C11
C12
C13
C14
C39
C15
SP1
D8
C33
C26
C27
C28
D2
L5
L6
C18
C32
C21
C22
JW3
C19
R8
RV1
R10
C36
C35
C17
R15
JW4
L4
C16
CF3
C4
JW5
C2
C37
C1
Q1
R7
S7
S8
S5
S6
S4
S3
D1
C20
C23
R9
C25
C24
D5
D6
IC2
R3
C31
JW2
R4
JW7
C38
D3
D4
JW6
L5
L6
CXA1019M
27p
2.2k
68k
47
10V
0.01
1
47
0.01
2.2k
4.7
50V
10
50V
0.022
1
47
10V
1
1
IPS226
100p
220
16V
16V
1000
10V
1000
10V
1SS133T-77
0.01
0.1
0.01
0.01
6800p
220k
50k
22
0.01
0.01
220
10V
10V
2.2k
6p
22p
0.001
7p
2SA2135-F
ALARM
22k
1SS133T-77
680p
0.1
100k
R16
470k
0.01
0.01
1SS133T-77
1N4002B
SC8560
100k
1
220k
100p
1SS119-25
1SS119-25
1
2
3
4
5
6
7
8
9
10
11
12
13
13
12
11
10
9
8
7
6
5
4
3
2
1
AM
ANTENNA
POWER
TRANSFORMER
T2
CT1
CT2
CT3
CT4
NC
ME
TER
IF GND
AFC
AG
C
AF IF
RIPPLE FI
LTER
VCC
AF OUT
GND
DE
T
OUT
ALARM OUT
SLEEP OUT
ALARM OFF
MIN SET
HOUR SET
SLEEP INPUT
SNOOZE INPUT
CR INPUT
50/60HZ SELECT
12/24HR SELECT
50/60HZ INPUT
ALARM DISP
10íSMIN E MINE
MIN BG
MIN CD
MIN AF
10íSMIN AF
10íSMIN BG
10íSMIN CD
AM 10íS AG DE
10íS HRC
HR BG
HR CD
HR AF
FE GND
FM
RF IN
NC
AM
RF IN
FM
RF
REG OUT
FM
OSC
AFC
FM
/A
M
IF OUT
AM
OSC
VOL
NF
GND
FM
DISCRI
FM
/A
M
BAND SELE
CT
AM
IF IN
FM
IF IN
L1
TRACKING
AM
L1,CT1
FREQUEN CY
COVERAGE
FM
FM
TRACKING
L3,CT3
AM
FREQUEN CY
COVERAGE
L4,CT4
CV1-4
C16
0.1
1
AFC
AG
C
COL ON OUT
CV1
CV2
CV3
CV4
FERRITE-BAR
CT2
TUNING
PM 10íS HRB
VDD
VSS
(C205)
(C205: SP, AR, TH)
*
*
(C205)
(C205)
(C205)
(C205)
(C201)
(C205)
(C205)
(C205)
(C205)
(C201)
(C201)
(C205)
(C201)
(C201)
(C201)
(C201)
(C205)
(C205)
(C201)
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