Pioneer XV-DV1000 Service Manual page 124

1
LC78652W (DVDM ASSY : IC201)
QQ
3 7 63 1515 0
• Servo DSP IC
A
Block Diagram
FE
TE
TILTE
RF_PH
RF_BH
B JITT
HFLIO
TES
PP2/EVENT
FG
SLCIST1,2
C
EFMIN
SLCO1,2
EFMOUT
PCKIST1,2
TE
L 13942296513
DVDFR
CDFR
PD01-3
JV
DVDSYNC
PCK
D
LEFM
LEFM2
VPDO
VCOC
XIN
XOUT
XTALOUT
ADRAO
CSB
WRB
E
RDB
P0-7
BUSYB
LASER
FBUSYB
PP0-3
www
F
124
1
http://www.xiaoyu163.com
2
33
32
8bit
29
MPX
A/D
30
31
28
CMP
51
Track Counter
26
Event Counter
56
FG Counter
55
34,35
39
SLC
36,37
1
87,88
90
91
83-85
PLL
Frame Synchronous
92
Detection, Protection,
96
93
100
97
81
Clock
80
Generator
14
15
8
94
58
Command
60
Interface
59
63-70
73
52
7
53,54
General Purpose Register
,56
x ao
. i
2
http://www.xiaoyu163.com
3
Servo
8bit
Processor
D/A
(16×16+32→32)
CLV
Q Q
DVD Lock
3 6 7
Detection
Sub Code
Decode
Insertion EFM
Demodulation
For De-Interleave
16k SRAM
Error Detect
Correction
C1-Twofold,
C2-Fourfold
Supplement/Mute
D Attenuate
Deemphasis Filter
u163
y
XV-DV1000
3
4
2 9 9 4
8
FDO
47
TDO
48
SLDO
45
46 SPDO
TBAL
44
TILTDO
43
AUXO
42
24 DRF
FAST
22
DVDSYEQ
95
V_PB
23
21 FSEQ
1 3 1 5 0 5 8 2 9
77 WRQ
SQOUT
74
75 CQCKB
76 RWC
CRC
EMPH
17
PW
12
SBCK
10
SBSY
18
11 SFSY
FSX
9
EFLG
20
LRSY
5
ROMCK
4
Serial Out
ROMXA
3
2 C2F
DOUT DOUT
19
25,27
TEST1-4
38,50
m
57 RESB
co
.
4
2 8
9 9
9 4 2 8 9 9