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XL-505/505C,CP-505B
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Figure 38 BLOCK DIAGRAM OF IC
IC802 VHiTC9284BF-1:Servo/Signal Control (TC9284BF)
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
DMPC
VCOF
LPFO
LPFN
TMAX
PDO
PDCNT
V
DDA
DTSC1
DTSC2
GNDA
RFI
RFRP
SBAD
TEOF
TESH
FEI
FEL1
FEL2
FKIC
FCSI
SEL
2V
REF
V
REF
MONIT
DMFC
DMON
TEST
FMFB
TEST1
FMON
TKIC
TGUH1
TGUH2
TGUL
TEL1
TEL2
DFCT
GNDD
V
DDD
TESTX
GNDA
RO
RO
VDA
LO
LO
GNDA
TEST3
TEST4
TEST5
SBOK
GNDD
BUS0
BUS1
BUS2
BUS3
CCE
BUCK
PFCK
RST
SUBSYC
SUBD
CLCK
V
DDD
HS
GNDD
SPDA
COFS
WDCK
CHCK
BCK
AOUT
EMPH
DOUT
TEST2
V
DDX
XI
XO
GNDX
PLL circuit
Internal
status
Correcting
output
circuit
audio
output
Digital Out
Clock
generator
Q data
RAM
CD bus
interface
Correcting
system
timing
generator
Sub-code
demodulation
circuit
Correcting
circuit
Servo status
signal
generating
circuit
Tracking
search
control
circuit
Focus/
tracking
servo
16K RAM
DA
converter
Data slicer
AD converter
Address
circuit
TMAX detection circuit
CLV servo circuit
Sync separating circuit
EFM demodulation circuit