Sony HCD-DX255 - IC Block Diagrams and Waveforms

5656
HCD-DX155/DX255
HCD-DX155/DX255
– MAIN Board –
•Waveforms
– MAIN Board –
– I/O Board –
200 ns
2.7 Vp-p
5.5 Vp-p
20.3 ns
5 IC3010 rk (XFSOIN)
1 V/DIV, 10 ns/DIV
4 IC501 qg (XIN)
1 V/DIV, 100 ns/DIV
2 IC1101 <xx. (XTALI)
1 V/DIV, 10 ns/DIV
37 ns
1.7 Vp-p
1 IC1101 6 (DVDRFIP)
200 mV/DIV, 100 ns/DIV
900 mVp-p
3 IC1101 <z., (YUV3)
500 mV/DIV, 20 µ s/DIV
H
1.5 Vp-p
7 IC201 wh (COUT)
8 IC201 wa (YOUT) qa IC201 qh (CrOUT)
9 IC201 w; (CYOUT)
0 IC201 qk (CbOUT)
1 V/DIV, 20 µ s/DIV
H
2.0 Vp-p
1 V/DIV, 20
µ s/DIV
2.2 Vp-p
H
500 mV/DIV, 20
µ s/DIV
H
1.6 Vp-p
1 V/DIV, 20 µ s/DIV
2.2 Vp-p
H
1.6 Vp-p
H
500 mV/DIV, 20
µ s/DIV
6 IC201 wd (CVBS)
500 mV/DIV, 20 µ s/DIV
H
2.5 Vp-p
• IC Block Diagrams
IC2200 PCM1803DBR
VINL 1
VINR
2
VERF1
3
VERF2
4
VCC
5
AGND
6
PDWN 7
BYPAS
8
FSYNC
9
LRCK
10
MODE120
MODE0
19
FMT1
18
FMT0
17
OSR16
SCKI15
VDD
14
DGCD
13
DOUT
12
BCK
11
Single-End
/Differential
Converter
5 th Order
Delta-Sigma
Modulator
5 th Order
Delta-Sigma
Modulator
Reference
Single-End
/Differential
Converter
× 1/64 (× 1/128)
Decimation
Filter
with
DC Cut Filter
Power Supply
Clock and Timing Control
Serial
Interface
Mode/
Format
Control
IC3010, IC3020, IC3030 CXD9788AR
S P
Sampling Rate
Converter
DF1
DF2
Gain
Control
Filter
&
LOW
CUT
Filter
Serial Control
Liner
Interpolator
∆ ∑ Converter
XVSS
PWM
INIT/MUTE
Clock Generator
Clock Generator
(Secondary Clock System)
1
VSUBC
2
VSSR
VSSL
VSSL
VSSR
3
OUTR2
OUTL2
OUTR1
OUTL1
4
VDDR
DVDD
DVSS
VDDL
5
6
7
8
XOVSS
XOVDD
9
XFSOOUT
10 11
NSPMUTE
12
SOFTMUTE
13
PGMUTE
SCSHIFT
14
SCDT
15
SCLATCH
OVF FLAGR
OVF FLAGL
16
SFLAG
INIT
17
MCKSEL
18
LRCK
19
BCK
20
DATA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
21
42
43
41
40
39
38 37
XFSOIN
36
XVDD
35
HPVDDL
34
HPOUTL2
33
HPVSSL
32
31
HPVDDR
30
HPOUTR1 HPOUTL1
29
28
HPVSSR
27
26
25
HPOUTR2
24
FSOI
23
FSOCKO
22
4445
46
47
48
(Primary Clock System)