Sony HCD-DZ20 Service Manual page 46

HCD-DZ20
Q Q
3 7 6 3 1 5 1 5 0
• IC Block Diagrams
– MAIN Board –
IC2200 PCM1808PWR
Serial
BCK 8
Interface
DOUT 9
MD0 10
Mode/
11
MD1 Format
FMT 12 Control
× 1/64
Decimation
Filter
with
HighúPass Filter
DeltaúSigma DeltaúSigma
Modulator Modulator
Antialias
VINL
13
LPF
T E
L 1 3 9 4 2 2 9 6 5 1 3
Reference
Antialias
VINR
14
LPF
IC3003 TC7WH157FK
8 VCC
11 7 ST
11 6 SELECT
EN G
A 1 A Y 5
Y
B 2 B Y
3
Y
GND 4
w w w
HCD-DZ20
7 LRCK
Clock
and
Timing
6 SCKI
Control
5
DGND
4 VDD
Power
Supply
3 VCC
2 AGND
1 VREF
x a o
. i
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IC3010, IC3020, IC3030 CXD9843AR
24
OVF FLAG L 25
SFLAG 26
INIT 27
28
MCKSEL
29
LRCK
S P
BCK 30
Simpling Rate
DATA 31
BFVDD
32
BFVSS 33 (Primary System)
TEST 34
Q Q DVDD 35
3 7 6
XFSIIN 36
u 1 6 3
y
46 46
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2 4
8 9 9
23 22 21 20 19 18
Serial
Control
INT/MUTE
Filter1
DF1 DF2
Gain Liner
&
Control Interpolator
LOW
CUT
Filter
Converter
Clock
Generator
Clock
Generator
(Tow dementional System)
3 1 5 1 5 0 8 9
37 39 41
38 40 42 45 44
m
c o
.
2
8 9 9
17 16 15 14
PWM
12 VSSL
11
OUTL1+
10 VDDL
9 OUTL2-
8 VSSL
7 VSSR
6 OUTR1+
5 VDDR
2 4 9 8 2 9 9
4 OUTR2-
3 VSSR
2
XSUBC
1 XVSS
43 48
46 47