Read Sony ICF-F11S / ICF-F12S Service Manual online
ICF-F11S/F12S
ICF-F11S/F12S
10
10
5-2. SCHEMATIC DIAGRAM - MAIN Board -
• See page 9 for IC Block Diagram.
SP1
R4
C34
C32
C36
C33
C30
C31
C29
C28
C27
C25
C26
R5
R3
C24
R2
JW3
JW4
L7
C37
JW1
C21
L11
JW2
C19
R1
C22
C23
CF1
W2
C18
C13
C8
C9
C10
C11
C14
C15
C7
L8
JW5
CT2
JC2
C2
IC1
ANT1
C1
C4
C6
C12
C16
C17
C35
JC1
CT3
RV1
CF2
CF3
W3
W4
Q1
S2
J1
D1
CT1-1
L2
TP
TP
S1-6
S1-2
S1-3
L3
CV1-3
CV1-4
CT1-4
L4
CV1-2
CV1-1
BPF1
CT1-3
S1-1
S1-5
CT1-2
L5
L6
T1
TP
ANT
TP
S1-4
C20
47
470
10V
1
1
1
22
25V
470
10V
0.047
0.022
1
4.7
50V
10
50V
100k
220
0.01
2.2k
3p
1000p
10
50V
4.7k
0.1
4.7
50V
50V
22p
220p
100p
47p
10p
22p
0
10p
CXA1019S
6p
10p
1p
3p
470p
3p
8p
0
50k
2SC4154
1PS226
(SP-)
(SP+)
(GND)
(ANT)
0.01
GND
GND
OUT
VCC
RIP
PLE
IN
OUT
AGC
GND
METER
N.C.
SELECT
AF
AF
DET
AFC(J)
AFC(W)
AM
BAND
OUT
IF
GND
GND
DISCRI
NF
VOL
AM
AFC
FM
REG
FM
AM
OSC
OSC
OUT
RF
RF
N.C.
F.E
GND
FM/AM
IF
IN
IN
IF
IN
IN
FM
FM
IN
RF
IF
OUT
DET,AGC,AF AMP
ANTENNA
TELESCOPIC
(F11S)
(F12S)
(F11S)
(F12S)
*C14
1000p
2200p
2200p
(F11S)
(F12S)
(F12S)
2200p
(F11S)
(F12S)
(F12S)
470p
*C15
(F11S)
(F12S)
(F12S)
1p
10p
*C18
ANTENNA
FERRITE-ROD
MW
VOLUME
FM/SW
FM/MW/SW FRONT END,
FM/MW/SW IF AMP,
SP+
SP-
MW OSC
SW OSC
FM RF
OSC
FM
SW
RF
OFF
ON
POWER
W
SW
MW
FM
BAND
S1
TUNING
CV1
DRY BATTERY
SIZE"D"
(F11S)
(F12S)
(IEC DESIGNATION R20 2PCS.3V)
2PCS.3V
HIGH CUT MUTING
BAND PASS FILTER
AM IFT
1
μH
1
μH
12
μH
Click on the first or last page to see other ICF-F11S / ICF-F12S service manuals if exist.