Block Diagram - Audio Dsp Section - Sony STR-DB900 Service Manual

STR-DB900
4-2. BLOCK DIAGRAM — AUDIO DSP SECTION —
DATA SELECT
IC210
6
SEL
1 A
DIR-DATA
Y 5
2 B
ADC-DATA-L/R
ADC-DATA-SL/SR
ADC-DATA-C/SW
BCK
LRCK
SDRAM
IC203
D0
I
D15
A
A0
I
INPUT/
A15
TUNER
SECTION
(Page 13)
WE 17
CS 6
X202
13.5MHz
CONT-1
CONT-2
STR-DB900
30 SDI2
SDO1 23
SDO3 25
SDO2 24
18 SDI1
SDO4 26
20
BCKO
114 SDI3
LRCKO 19
17 BCKI1
SCKOUT 14
15 LRCKI1
AUDIO DSP BST 56
IC206
D0
I
D
• HACN 32
D08/GP0
HDIN 33
I
HCLK 34
D15/GP7
HDOUT 35
HCS 36
A0
GP12 37
I
GP9 68
A15
PM 113
XRST 2
45 WEO EXLOCK 59
44 CSO
KFSIO 22
9 MCLK1 GP8 69
12 MCLK2
+3.3V
3 REG. 1
+3.3V
IC205
BST SELECT
IC204
B 2
5
Y
A 1 6 DSP-BST
SEL
6
19 SDI2-SEL
8 DSP-BSTSEL
5 DSP-HACN
174 DSP-DI
173 DSP-CLK
1 DSP-DO
4 DSP-CS
9
DSP-GP12
7 DSP-GP9
3
DSP-PM
2 DSP-RST
14
DIR-ERR
DIR-ERR
TU-TUNED
155
TUN-TUNED
MCK
TU-STEREO
156 TUN-STEREO
DIR-AUDIO
TU-MUTE
157 TUN-MUTE
TU-DATA
153 TUN-DATA
TU-DO
152 TUN-DO
TU-CLK
151 TUN-CLK
TU-LATCH
154 TUN-LAT
RDS-SIG
53 RDS-SIGNAL
RDS-DATA
158 RDS-DATA
RDS-INT
102 RDS-INT
AEP,UK MODEL
ASEL-A
170 ASEL-A
ASEL-B
ASEL-B
169
DSEL-A
44
DSEL-A
DSEL-B
43 DSEL-B
VSEL-A
73 VSEL-A
VSEL-B
VSEL-B
74
ADC-RST
171 ADC-RST
DIR-XMODE
20 XDIR-SEL
DIR-CKSEL
22 DIR-CKSEL1
DIR-CLK
12 DIR-CLK
DIR-CE
15 DIR-CE
DIR-DI
11 DIR-DI
+5V DIR-DO
21 DIR-DO
14 14
INIT
XDAMP-RST 26
MUTE
XDAMP-NSMUTE 27
SCDT
DAMP-DATA 24
SHIFT
DAMP-CLK 25
LATI-L/R
DAMP-CS1-L/R 28
LATI-C/SW
DAMP-CS2-C/SW 29
LATI-SL/SR
30
DAMP-CS3-SL/SR
LATI-SB
DAMP-CS4-SB 31
XDAMP-EN 32
XDAMP-PROTECT 33
HP SW
HP-SW 37
PH-RY
HP-RY-SO1 39
RELAY
QS-RY/SW-RY-SO1 38
SYSTEM
CONTROL
IC202 (1/2)
EEPROM
IC209
XEPROM-DATA 76 5 SDA
XEPROM-CLK 75 6 SCL
RESET
IC201
1 2
X-IN 141
X201
12.5MHz
X-OUT 143
CN202
1
+3.3V 2
XRESET 144 3
MD2 138
4
5
FLASH-SO 126
FLASH-SI 125 6
DATA-L/R
DATA-C/SW
DATA-SL/SR
DATA-SB
BCKO
LRCKO
SCK
AMP
DAMP
B
CONT
SECTION
(Page 15)
EN
I-LIMIT
+3.3V
(STBY)
DISPLAY
RESET C
STOP
SECTION
Q301,302
(Page 16)
GND
3.3V
FLASH ROM
RESET
WRITE
MD2
FLASH-SO
FLASH-SI
• Signal path
: FM