S1L9223B01
RF AMP & SERVO SIGNAL PROCESSOR
BLOCK DIAGRAM
TRCNT
MDATA
RESET
WDCH
LOCK
ISTAT
ATSC
FGD
MCK
59
54
22
30
29
31
38
37
MLT
36
35
51
52
TZC
58
26
28
27
3
RF-
73
FRSH
FE1
TE1
FE2
FLB
FS3
RF Amp
RFO
74
MICOM Data
Interface Logic
Focus Phase
Compensation
& Offset cancel circuit
60
47
48
57
49
FDFCT
FE-
FEO
PD1
PD2
FEBIAS
F
E
EI
65
66
63
67
68
79
Focus Error Amp
FE-BIAS Adjustment
TDFCT
TE-
TEO
TE2
LPFT
Tracking Error Amp
E/F Balance & Gain
Control
MICOM TO SERVO CONTROL
AUTO SEQUENCER
Tracking Phase
Compensation Block
& Jump Pulse GEN.
50
53
55
62
61
43
TG2
TGU
SLO
SL-
SL+
PD
69
APC Amp
LD
LDON
70
ADJUSTMENT-FREE CONTROL
VR
Sled Servo Amplifier
& Sled Kick GEN.
44
42
46
71
Center Voltage Amp.
RF Level AGC
&
Equalizer
EQC
EQO
IRF
78
76
75
SPDLO
SPDL-
SMDP
SMON
FS1~
FS4
TM1~ BAL1~ PS1~
TM6 BAL5 PS4
GA1~
GA5
Spindle Servo LPF
( Double Speed )
45
23
24
ASY
EFM
RFI
32
33
77
EFM
Comparator
Mirror Detection
Circuit
FOK Detection
Circuit
15
GC1O
25
6
39
1
SMEF
FSET
MIRROR
MCP
DCB
2
DCC2
4
Defect Detection
Circuit
5
DCC1
Built-in Post Filter Amp ( L&R )
40
FOK
16
GC1I
13
CH1O
14
CH1I
19
MUTEI
17
RRC
12
CH2O
11
CH2I
9
GC2I
10
GC2O
2
SAMSUNG [ SAMSUNG SEMICONDUCTOR ]
