Read Sony ST-SDB900 Service Manual online
9
9
ST-SDB900
ST-SDB900
3-1. BLOCK DIAGRAM
DAB
MODULE
AUDIO_LEFT_OUT
AUDIO_RIGHT_OUT
Q151,
D101-103
OR GATE
SPDIF
S1_IN
S1_DOUT
DAB_OUT
DAB_IN
AM
AC_STOP
86
EEPROM
IC301
IC401
MUTE
Q200
MUTE
Q250
L
R
J201
ANALOG
OUT
DAB
DIGITAL
OPTICAL OUT
59
FL-DATA
53
IC300
SYSTEM CONTROL
52
43
75
74
DAB_IO1
28
DAB_IO2
27
DAB_OUT
DAB_IN
FLASH1
AC_STOP
X_L_MUTING 85
RSTX
77
SDA
34
X0
82
X1
83
SCL
33
X301
16MHz
5
6
54
SIRCS
60
FL CLK
63
FL-CS1
62
FL-CS0
61
FL RST
IC800
FL DRIVER
DA
63
CP
62
CS
61
RESET
60
4
AD1
3
AD2
P36-70
P1-35
5
39
40
55
SEG1
SEG35
COM1
COM16
FLUORESCENT
INDICATOR
TUBE
NC
FL800
IC801
FL DRIVER
DA
63
CP
62
CS
61
RESET
60
4
AD1
3
AD2
5
39
SEG1
SEG35
FF1
FF2
SIRCS
IC802
1
38
KEY_AD0
39
KEY_AD1
55
KEY3
FUNCTION
KEY
ROTARY
ENCORDER
RV801
S831-833
D201
AC
IN
S901
POWER
-30V REG
Q912
IC907
+5V
REG
REG
5
4
FL -30V
D922-924
Q909
5
4 AC DETECT
IC912
D918
AU -6V
RECT
D901-904
IC901
+10V
REG
1
3
D919
FM+3.3V
D+3.3V
D+3.3V
IC903
-6V
REG
2
3
RECT
D911
D911
T901
AU +6V
FM +10V
T902
MUTE +3.3V
POWER
CONTROL
Q910,911
30
DAB_PWR
48
AC_STOP
: DIGITAL OUT
: FM
• Signal path
: ANALOG OUT
GATE
IC403
P36
P71
P72
G1-16
66
JOG_P
67
JOG_M
S841-843
RECT
D914-916
Q910
FMAM +3.3V
DAB +5V
POWER
CONTROL
Q906,908
Q906,908
31
DAB_PWR5
IC910
+3.3V
REG
2
3
D913
IC911
+3.3V
REG
1
2
1
Q202
BUFFER
IC200
Q201
4
DABSEL
4
12
13
3
5
11
9
LPF
IC202
AMP
IC203
FM
COAXIAL
75
Ω
FM/AM
TUNER
TUNER
ANTENA
LCH
RCH
CE
TUNED
STEREO
MUTING
FM_S-METER
RDS_INT
RDS_DATA
SLATCH
TUNED
STEREO
TU_MUTING
S-METER
RDS_INT
RDS_DATA
DAB
COAXIAL
75
Ω
ANTENA
CL
DO
DI
TUN_CLK
TUN_DIO2
TUN_DIO1
73
78
14
76
15
SLATCH
TUNED
STEREO
TU_MUTING
S-METER
RDS_INT
RDS_DATA
TUN_CLK
TUN_DIO2
TUN_DIO1
SLATCH
TUNED
STEREO
TU_MUTING
FM_SIG_OUT
RDS_INT
RDS_DATA
TUN_CLK
TUN_DIO2
TUN_DIO1
D +3.3V
IC100
RESET
2
1
1
2
3
6
7
8
FLASH2
RESET
MD0
MD2
51
49
MD0
MD2
FLASH2
FLASH1
FLASH1
FLASH2
WP
32
7
SDA
SCL
WP
X1
83
X302
1.8432MHz
2
POWER
TRNSFORMER
IC902
+6V
REG
1
3
14
IC201
SELECTOR
DIGITAL
TRNSMITTER
CN306
FLASH
PROGRAM
TUNING/
SELECT
SELECT
REMOTE
SENSOR
SENSOR
D930
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