Read Sony SRF-S54 / SRF-S56 (serv.man2) Service Manual online
SRF-S54/S56
11
11
5-4.
SCHEMATIC DIAGRAM
•
See page 9 for IC Block Diagrams.
J1
L5
C28
C29
C38
R7
C19
C20
C21
R17
C22
C17
R4
R5
C27
C4
C40
L8
C5
C6
C7
C23
CV1-1
C1
CV1-2
C9
C44
R18
C14
C13
C10
R3
C36
C37
C33
C32
R12
R13
L7
L6
RV1
IC2
IC3
IC1
L3
L1
L2
L4
S2
C8
C35
C26
C25
C12
C11
C15
R8
C18
Q1
S1-2
TP1
S1-1
CT1
CT2
C45
R16
R1
C2
C31
C30
C3
C24
0.47
0.47
22
6.3V
150k
0.047
1000p
0.1
2.2k
1
0.47
0
0
220
4V
0.22
100p
0.22
0.015
0.015
100p
18p
22p
0.1
47k
1
10
4V
4V
1
6.8
100p
100p
100
4V
100
4V
100k
100k
10k/10k
LA3550M
LA4537M
CXA1129N
1
220
4V
10
4V
3.3
4V
1
4.7
4V
100p
150k
0.47
2SA1576A
(RF IN)
100p
1k
220
4.7
4V
0.1
0.1
1
5600p
100V
IN
1
IN
2
H
P
1
H
P
2
LP
IN
LP
G
A
IN
LP
O
U
T
O
U
T1
OU
T2
D
ETIN
D
ETO
U
T
R
EF
V
C
C
G
N
D
OUT1
GND
OUT2
MUTE
SW
POWER
SW
IN1
PRE
IN2
REF
GND
FM
R
F
IN
IN
TV
R
F
+V
C
C
FE
FM
R
F
IM
A
G
E
A
D
J
A
G
C
O
L
FM
2N
D
O
S
C
O
S
C
A
M
TU
N
IN
D
P
LL
V
C
O
V
C
O
CT
R
L
R
C
H
L C
H
P
LL 1
P
LL 2
G
N
D
FM
IN
P
O
1
P
O
2
ST
IN
D
IN
M
P
X
O
U
T
D
ET
M
U
TE
A
G
C
+V
C
C
O
S
C
TV
IS
T
TV
IS
T
O
S
C
A
FC
A
G
C
IN
A
M
R
F
G
N
D
FE
VCC
AMP
HEADPHONE
DRY BATTERY
1PC. 1.5V
ON
OFF
(POWER,MEGABASS)
MEGABASS
S1
RIPPLE
FILTER
-1
-2
VOLUME
AMP
BASS BOOST
FM RF AMP,
IF AMP,MIX,
AF AMP
CV1
TUNE
(STEREO/MONO)
ST
MONO
OSC,DET,
SIZE"AAA"
(IEC DESIGNATION R03)
1µH
1µH
1µH
1µH
TP5
(VCO)
TP4
(OSC)
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