Block Diagram - Audio (Digital) (2/3) Section - Sony STR-DB2000 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-4. BLOCK DIAGRAM – AUDIO (DIGITAL) (2/3) Section –
DIR-AUDIO
D. SD
J
(Page 18)
DIR-LRCK
DIR-BCK
L 1
(Page 17) I
R 2 VINR
11 BCK
10 LRCK
A/D-MCK 15 SCKI
(Page 18) K
AD-RESET
MCK
T E
L 1 3 9 4 2 2 9 6 5 1 3
L
(Page 18)
DIR ERR
w w w
.
DSP
IC2201
69 GP8
SWITCHING
30 SDI2
IC2204
A/D CONVERTER
IC2010
VINL DOUT 12 18 SDI1
7
17 BCKI1
29 BCKI2
15 LRCKI1
CLOCK SELECT
28 LRCKI2
IC2207
A
1
Y
5 56 BST
B
2
SEL
6
BST
BST SEL
BUFFER
22 KFSIO
IC2203
59 EXLOCK
HDOUT
35 HDOUT
HDIN
33 HDIN
HCLK
34 HCLK
HCS
36 HCS
HACN
32 HACN
GP9
68 GP9
GP12
37 GP12
PM
112 PM
XRST
2 XRST
12
X2201
13.5MHz
89 69 73 71 72 74 70 80 75 79 78 76 81
58 57
99 100
X2601
5 6
16.5MHz
+3.3VB
x EEPROM a o
y
IC2603
i
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8
• SIGNAL PATH
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
SDO1 23
SDO2 24
SDO3 25
SDO4 26
BCKO 20
LRCKO 19
S-RAM
IC2202
D0 – 15 D0 – 15
A0 – 15 A0 – 15
WEO 45 17 WE
CSO 44 6 CS
Q Q
3 7 6 3
9
POW-RY 18 POW RY
POW-CHANGE 33 POW CHANGE
MAIN SYSTEM CONTROLLER
STOP
STOP 60
IC2601 (2/4)
RESET SIGNAL
55 RSTX
GENERATOR
IC2625
u 1 6 3
.
19 19
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2 4
9 9 8
DS01
DS02
DS03
Q (Page 20)
DS04
BCK
LRCK
1 5 1 5 0 8 9 2 4
R (Page 25)
m
c o
STR-DA2000ES/DB2000
2
9 9
9 8 2 9 9