Sony CDP-XB820 Service Manual page 29

• IC Block Diagrams
– BD BOARD –
IC101 CDX2585Q
75
80 79 78 77 76
1
DVDD0
2
XRST
MUTE
3
4
DATA
5
XLAT
CPU
CLOCK 6
Interface
7
SENS
SCLK 8
9
ATSK
WFCK
10
11
XUGF
XPCK 12
13
GFS
V2PO 14
SCOR 15
16
C4M
WDCK 17
18
DVSS0
COUT 19
MIRR 20
SERVO
Interface
74 73
72
D/A
Interface
Error
Corrector
Sub Code
Processor
Servo
Auto
Sequencer
MIRR
DFCT
FOK
21 22 23 24 25 26 27 28 29 30 11 11
71 70 69
68
Clock
Generator
32K
RAM
EFM
demodurator
Digital
CLV
PWM GENERATOR
FORCUS PWM
GENERATOR
TRACKING PWM
GENERATOR
SLED PWM
GENERATOR
35 36 37
31 32 33 34
– 39 –
62 61
67 66 65 64 63
Digital
OUT
60
VPCO
59
V16M
58 VCTL
57
BIAS
56 AVDD1
55 PCO
54 FILI
Digital
53 FILO
PLL
52 CLTV
51 AVSS1
Asymmetry
50 RFAC
Corrector
49
ASYI
48
ASYO
47 AVDD0
SIGNAL PROCESSOR BLOCK
SERVO BLOCK
SERVO DSP
FOCUS SERVO
TRACKING
SERVO
SLED SERVO
46 IGEN
45
AVSSO
44
ADIO
43 RFDC
OPAmp
A/D
Analog SW 42
Converter
CE
41
TE
38 39 40