Sony ICF-S10MK2 (serv.man2) Service Manual ▷ View online
12
ICF-S10MK2
MEMO
SERVICE MANUAL
ICF-S10MK2
1
ICF-S10MK2
2.
DIAGRAMS
•
Note for Printed Wiring Boards and Schematic Diagrams
SUPPLEMENT-1
File this supplement with the service manual.
9-873-460-81
Subject: Change of MAIN board (Suffix-12)
In this set, MAIN board has been changed in the midway of production.
Printed wiring board and schematic diagram of new type, and changed
parts list are described in this supplement-1.
Refer to original service manual for other information.
Printed wiring board and schematic diagram of new type, and changed
parts list are described in this supplement-1.
Refer to original service manual for other information.
E Model
Australian Model
ICF-S10MK2
Ver. 1.2 2007.03
1. NEW/FORMER DISCRIMINATION
Discriminate between former type and new type by the D2 is mounted or not mounted.
Note on Printed Wiring Board:
•
•
X
: parts extracted from the component side.
•
W
: indicates side identified with part number.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Note on Schematic Diagram:
• All capacitors are in
• 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.
•
C
: panel designation.
•
A
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 3 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground in
no-signal (detuned) conditions.
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.
• Signal path.
F
: FM
f
: AM
D2
D2
No mount: Former type (Suffix-11)
Mount:
No mount: Former type (Suffix-11)
Mount:
New type (Suffix-12)
– MAIN BOARD (Conductor Side) –
ICF-S10MK2
2
2
ICF-S10MK2
2-1. SCHEMATIC DIAGRAM
J1
SP1
C23
C21
R10
C20
R7
C19
C24
C18
C17
C16
C15
T1
R6
R2
R3
C11
C12
C8
C5
C4
C3
C2
L5
C1
D2
IPS226
C14
C10
R8
C9
C7
C6
CT1
SW1
R4
C22
CT2
CT3
CT4
ANT1
CV1-1
CV1-2
CV1-4
L2
L3
CV1-3
L4
CF3
TP
C13
R5
IC1
CF1
CF2
R1
RV1-1
RV1-2
D1
0.1
0.1
6.8k
470
6.3V
1k
0.47
50V
220
10V
10V
0.022
10
50V
4.7
50V
50V
10
50V
330
150
1k
1
50V
0.01
1p
0.022
10
50V
33p
33p
33p
100p
8.2p
3.3k
27p
18p
3.9p
6.8k
10 50V
10.7MHz
(FM ANT)
0.01
2.2k
CXA1019S
455KHz
10.7MHz
100k
50K
SLP-181B-51
TUNE
OFF
VOL
BAND
AM
FM
FM/AM
BAND
SELECT
AM
IF IN
FM
IF IN
NC
METER
AFC
AGC
IF
GND
AFC
AGC
DET OUT
AF IN
RIPPLE
FILTER
VCC
AF
OUT
GND
GND
FM RF
FM OSC
AM OSC
L1
AM
FERRITE-ROD
ANTENNA
FM/AM
RF IN
FM
NC
RF IN
AM
REG OUT
FM OSC
AFC
AM OSC
VOL
NF
DISCRI
FM
GND
GND
IF OUT
FE
GND
FM RF
DRY BATTERY
SIZE"AA"
2PCS. 3V
(IEC DESIGNATION R6)
FM/AM FRONT-END,
FM/AM IF AMP,
DET,AGC,AF AMP
CV1
TUNING
3
ICF-S10MK2
2-2. PRINTED WIRING BOARD
R8
R1
C8
C5
R6
C7
C18
MAIN BOARD
C1
C6
C10
C9
C12
C23
C21
C4
+
+
C11
R7
R3
R4
R2
C14
C13
C3
C2
L2
R5
C15
+
C24
+
C20
C22
+
C19
+
+
C17
+
C16
+
CF1
T1
SW1
BAND
SW1
FM
AM
L4
R10
VOL
RV1 (1/2)
OFF
RV1 (2/2)
CF2
CF3
TUNE
D1
L3
L5
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
2PCS. 3V
SP1
+
–
J1
v
(12)
12
1-662-703-
CT4
CV1-4
CV1-3
CV1-2
CV1-1
CT1
CT3
CT2
TUNING
CV1
ANT1
IC1
A
B
C
D
E
F
1
2
3
4
5
1
30
15
16
TP
(FM ANT)
A
K/A
K
D2
L1
AM FERRITE-ROD ANTENNA
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