KB9223-L Просмотр технического описания (PDF) - Samsung
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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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