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KB9223-L 데이터 시트보기 (PDF) - Samsung
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KB9223-L
RF AMP & SERVO SIGNAL PROCESSOR
Samsung
KB9223-L Datasheet PDF : 34 Pages
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KB9223 / KB9223-L
BLOCK DIAGRAM
PRELIMINARY
RF AMP & SERVO SIGNAL PROCESSOR
59 54
22 30 29 31 38 37 36 35 51 52
RF-
73
RFO
74
PD1
65
PD2
66
FEBIAS
63
F
67
E
68
EI
79
RF Amp
Focus Error Amp
FE-BIAS Adjustment
Tracking Error Amp
E/F Balance & Gain
Control
PD
69
LD
70
VR
71
EQC
78
EQO
76
IRF
75
ASY
32
EFM
33
RFI
77
APC Amp
LDON
Center Voltage Amp.
RF Level AGC
&
Equalizer
EFM
Comparator
Micom Data
Interface Logic
MICOM TO SERVO CONTROL
AUTO SEQUENCER
ADJUSTMENT-FREE CONTROL
FS1~ TM1~ BAL1~ PS1~ GA1~
FS4 TM6 BAL5 PS4
GA5
DCB
2
DCC2
4
Defect Detection
Circuit
5
Built-in Post Filter Amp ( L&R )
15 16 13 14 19 17 12 11 9 10
58 26 28 27 3
Focus Phase
Compensation
& Offset cancel circuit
Tracking Phase
Compensation Block
& Jump Pulse GEN.
Sled Servo Amplifier
& Sled Kick GEN.
Spindle Servo LPF
( Double Speed )
Mirror Detection
Circuit
FOK Detection
Circuit
60
FDFCT
47
FE-
48
FEO
57
TDFCT
49
TE-
50
TEO
53
TE2
55
LPFT
62
TG2
61
TGU
43
SLO
44
SL-
42
SL+
46
SPDLO
45
SPDL-
23
SMDP
24
SMON
25
SMEF
6
FSET
39
MIRROR
1
MCP
40
FOK
Figure 1. Block diagram
M/M-97-P006
2
1997. 10. 17
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