Read Sony ST-SDB900 Service Manual online
13
13
ST-SDB900
ST-SDB900
3-5. SCHEMATIC DIAGRAM — MAIN BOARD (2/3) —
(Page 14)
(Page 17)
(Page 12)
(Page 12)
(Page 14)
JL331
R
3
7
8
R
3
7
6
R
3
0
2
R
3
0
1
R
9
06
4
R
3
6
3
R
3
6
2
R
3
6
1
R
3
6
0
R
3
5
9
R
3
5
3
R
3
52
C
3
5
4
C
36
6
C
3
7
7
FB
3
7
7
R
3
7
3
R
3
7
4
R392
R391
R9066
R9067
C367
R346
R345
R344
R343
R390
R340
C348
FB348
C349
R350
R349
R339
R338
FB301
C336
C335
R329
FB329
C328
C302
C327
R335
R331
R327
R328
R336
R398
R399
C332
R334
R333
R332
C333
IC301
C338
C339
C
3
43
TP390
CN306
C323
FB300
IC100
R105
R106
C107
C108
C381
R608
C382
X301
D101
R315
R314
C110
R113
R115
R114
CN301
C
1
28
C
12
7
C
1
26
D102
R351
C351
IC300
D103
CN304
C912
C109
C113
FB101
FB100
R375
C105
C114
X302
1
k
1
k
1
0
0
1
0
0
1
0
k
10
0
1
0
0
1
0
0
1
0
0
1
0
0
0
0
0.0
0
1
0
.0
0
1
0
.1
0
U
H
4
7
k
4
7k
10k
10k
10k
10k
0.001
10k
10k
10k
0
10k
10k
0.1
0UH
47p
10k
10k
10k
10k
0.1
100
6.3V
100
0UH
47p
0.1
47p
0
0
10k
10k
10k
100
100
0.1
10k
10k
10k
0.1
BR24L16F-WE2
0.001
0.001
0
.0
0
2
2
AC STOP
8P
PH
PH
0.1
0UH
S-80929CNMC-G8ZT
0
4.7k
0.1
0.022
0.1
10k
100
6.3V
16MHz
1SS367-T3
1k
1k
0.1
100
100
100
15P
0
.0
0
1
0
.0
0
1
0
.0
0
1
1SS367-T3
10k
47p
MB90478PF-G-184-BNDE1
1SS367-T3
17P
100
6.3V
47
16V
0.1
0UH
0UH
1k
100
6.3V
100
6.3V
1.8432MHz
D
_
G
N
D
FF
1
FF
2
FL
_G
N
D
D
+
3
.3
V
FM
+
1
0
V
FM
_
G
N
D
FM
+3
.3
V
FM
_
3
.3
G
N
D
A
C
_S
T
O
P
D
A
B
_
P
W
R
D
A
B
_
P
W
R
5
E
A
R
T
H
FL
-3
0V
L
C
H
R
C
H
O
R
G
A
TE
+
3
.3
V
A
U
_G
N
D
B
U
S
D
A
B
S
E
L
FL_RST
FL_DATA
FL_CLK
T
U
N
_C
L
K
TUN_CLK
S
T
E
R
E
O
T
U
N
E
D
FL_
C
S
1
FL
_
C
S
0
FL
_
R
S
T
FL
_
C
LK
FL
_
D
A
T
A
R
D
S
_
D
A
TA
R
D
S
_
IN
T
D
A
B
_
O
U
T
JO
G
_
P
JO
G
_
M
FL_CS0
FL_CS1
S
L
A
T
C
H
T
U
N
_
M
U
T
IN
G
T
U
N
_
D
IO
1
TUN_DIO1
T
U
N
_
D
IO
2
RDS_INT
RDS_DATA
D
A
B
_
IN
JOG_P
JOG_M
KEY_AD1
KEY_AD0
KEY_AD1
KEY_AD0
TUNED
STEREO
TUN_MUTING
SLATCH
TUN_DIO2
SYSTEM CONTROL
EEPROM
BOARD
DISPLAY
TUNER
(3/3)
MAIN
BOARD
(3/3)
MAIN
BOARD
MAIN
BOARD
(1/3)
BOARD
MAIN
(1/3)
• See page 8 for Waveforms.
• See page 18 for IC Pin Function Description.
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