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IC BLOCK DIAGRAM & DESCRIPTION
IC100 LA9702WL-MPB (Read Channel)
Pin No. Pin name Function
1 RFN
2 RFP
3 PD1
4 PD2
5 PD3
6 PD4
7 PD5
8 PD6
9 PD7
10 PD8
11 PD9
12 VCC
Power supply
13 LDD1
14 LDS1
15 LDD2
16 LDS2
17 GND
18 SGC
19 FEBL
20 TEBL
21 VGA
22 BST
Equalizer boost adjustment
23 FOST
24 TOST
25 BCATH
BCA shureshud adjustment terminal
26 REFI
Base power setting
27 SREF
Servo signal base power output
28 RREC
Reflection output
29 FE
Focus error output
30 TE
Tracking error output
31 THC
TE hold time constant value condenser connect
32 WO
Warble output terminal
33 ISET
BPF center frequency setting register connect terminal
34 WOI
Push pull signal input
35 WOO
Push pull signal output
36 TEO
3 beam TE gain setting terminal
37 TEN
3 beam TE gain setting terminal
38 CP
Charge pump gain setting register, condenser connect terminal
39 BHI
40 RFON
RF - output
41 RFOP
RF + output
42 BH
RF bottom ditection output
43 PHI
peak hold ditection constant register connect
44 PH
RF peak detection output
45 BCA
RF signal - input
RF signal + input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
APC1 output
APC1 moniter power input
APC2 output
APC2 moniter power input
GND
Servo gain control terminal(RREC, FE, TE)
Focus balance adjustment terminal
Tracking balance adjustment terminal
RF gain adjustment terminal
Focus offset adjustment terminal
Tracking offset adjustment terminal
Bottom hold detect constant setting register connection terminal
BCA output
Pin No. Pin name Function
46 DEF
Defect output (H : Defect detection)
47 DEFC
Defect detection condenser connect terminal
48 TC
Defect detection constant setting register terminal
49 GND
GND (DTD system)
50 LPC
RF DC servo condenser connect terminal
51 CPOF
Charge pump OFF terminal (H : OFF)
52 EQO2
RF equalizer setting terminal
53 TH
Tracking hold (H : hold)
54 EQL2
RF equalizer setting terminal
55 VCC
Power supply (DPD system)
56 EQO4
RF equalizer setting terminal
57 XHTR
Tracking, bottom detection band switching ( L : high band)
58 EQI4
RF qualizer setting terminal
59 XQBH
Bottom detection time constant switching ( L : high speed)
60 EQ03
61 EQSCT
Equalizer switching ( H : 77 pin select, L : 52pin select)
62 EQI3
63 DPD/TE
DPD, 3 beam tracking switching ( H : DPD)
64 RFO2
RF output
65 RFO1
RF output
66 VCC
Power supply ( RF system)
67 EQI1
68 PP/TE
3 beam, push pull tracking switching ( L : 3 beam)
69 EQO1
70 LDON2
APC 2 beam laser ON terminal ( H : ON)
71 EQI2
72 LDON1
73 EQO2
74 GND
GND (RF system)
75 EQL1
76 RFSCT
RF input switching ( H : RF differential input, PP error)
77 EQO1
78 CAO
customize amp. output
79 PREF
Base voltage output ( pick use)
80 CAN
RF equalizer setting terminal
RF equalizer setting terminal
RF equalizer setting terminal
RF equalizer setting terminal
RF equalizer setting terminal
APC 1 beam laser ON terminal ( H : ON)
RF equalizer setting terminal
RF equalizer setting terminal
RF equalizer setting terminal
customize amp. input
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