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IC BLOCK DIAGRAM & DESCRIPTION
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 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
IC100 LA9702WL-MPB (Read Channel)