Schematic Diagram - Main Section - Sony ST-SE370 Service Manual

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3 7 6 3 1 5 1 5 0
5-3. SCHEMATIC DIAGRAM – MAIN Section – •
TB101
( SUPPLIED WITH
THE ASSEMBLED
BLOCK
CN101
15P
FM
75Ω
COAXIAL
ANTENNA
AM
(CHASSIS)
T E
L 1 3 9 4 2 2 9 6 5 1 3
CNP702
8P
FL2
FL1
SIGNAL
RDS-DATA
EON
MUTE
AST
(Page 13)
ST
w w w
.
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•
See page 9 for Waveform. See page 14 for IC Block Diagram.
C202 0.01
A1
C201 R201
330p 470
A2
A4
A3
C104
C103 10
0.01 50V
FM SIGNAL
DETECTOR
IC201
C101 C102 LA1235
0.01 10
50V
C207
RV201 C204 C206
0.1
R105 22k 0.01 0.01
50V
10k
R104
10k
Q801
2SC1740S
FM DET
SWITCH
C801
0.01
R801 C804
10k 0.01
C808
2.2
50V
C805
560p
RDS
DECODER
IC801
BU1924
R802
47 R803 R805
2.2k 100
X801
4.332MHz
C802
47 C803 C806
16V 0.01 82p
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i
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8
(EXCEPT AEP,UK)
JW301
R319 R320
100 100
C301
R303
4.7
100k
50V
R202 R305
100 10k
C319 R301
C303
220 100k
10
16V
50V
C304
10
50V
R302 R304
C302 R306
100k 100k
4.7 10k
50V
C205
47
16V
JW302
(AEP,UK)
(EXCEPT AEP,UK)
Q Q
IC901
3 7 6 3 1
LA5667
R902
D907
47k
11ES2
C908
10
50V
C911
R904
0.47
47k
50V
C907
R903
R804 470
100k
220 6.3V
Q901
BLIN4M
MUTING
SWITCH
D908
1SS133
u 1 6 3
.
11 11
2 4
9 9 8
(EXCEPT AEP,UK)
R309
470
JW303 JW305
(AEP,UK)
C305 100p
R307 4.7k
(AEP,UK)
C307
LINE AMP
4.7 L351
50V
10µH
Q301
2SD2144S
R311 C351
IC301(2/2) 1k MUTING 1000p
NJM4558D
R321
10
(AEP,UK)
IC301(1/2) Q302
C308 C352
NJM4558D 2SD2144S
4.7 1000p
50V R312 MUTING
1k
L352
10µH
R308
4.7k
C306 100p
R310
470
JW304 JW306
(EXCEPT AEP,UK)
5 1 5 0 8 9 2 4 9
+5V,+13V
REGULATOR
PT901
POWER
TRANSFORMER
D901
230V
11ES2
120V
C901 0.01
OR
C902 0.01 100V
D902
11ES2
0V
C903
C909 C905 C904 47
47 2200 47 50V
16V 35V 50V
* NOT REPLACEABLE:
C906 BUILT IN TRANSFORMER
220
50V
R908 R909 R910
470 470 470
R905 R906 R907 D904
470 470 470 11ES2
C910 Z1
D906 R901
10
MTZJ-T-72-6.2 47k
50V Z2
A4
A3
A2
A1
m
c o
ST-SE370
2
9 9
R351
47k
L
J301
LINE OUT
R
R352
47k
(CHASSIS)
8 2 9 9
C951
CNP951
1000p
2P
250V
JW901
S901
POWER
(EXCEPT US)
CN951
JW902 2P
(US)
CNP901
2P
PC901
AC IN
R900
3.3M EP901
1/2W
(CHASSIS)
(US)
CNP701
9P
-30V
+5V
GND
POWER
RDS-C
CLK
DATA
(Page 13)
D-IN
CE