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IC BLOCK DIAGRAM & DESCRIPTION
IC100 LA9702WL-MPB (Read Channel)
Pin No.
Pin name
1
RFN
RF signal - input
2
RFP
RF signal + input
3
PD1
Pickup signal input
4
PD2
Pickup signal input
5
PD3
Pickup signal input
6
PD4
Pickup signal input
7
PD5
Pickup signal input
8
PD6
Pickup signal input
9
PD7
Pickup signal input
10
PD8
Pickup signal input
11
PD9
Pickup signal input
12
VCC
Power supply
13
LDD1
APC1 output
14
LDS1
APC1 moniter power input
15
LDD2
APC2 output
16
LDS2
APC2 moniter power input
17
GND
GND
18
SGC
Servo gain control terminal(RREC, FE, TE)
19
FEBL
Focus balance adjustment terminal
20
TEBL
Tracking balance adjustment terminal
21
VGA
RF gain adjustment terminal
22
BST
Equalizer boost adjustment
23
FOST
Focus offset adjustment terminal
24
TOST
Tracking offset adjustment terminal
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
Bottom hold detect constant setting register connection terminal
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
BCA output
IC101,493 CD40668BCM(Quad Bilateral Switch)
IN/OUT
1
OUT/IN
2
OUT/IN
3
IN/OUT
4
5
CONTROL B
CONTROL C
6
V
7
SS
Function
14
V
DD
SW A
13
CONTROL A
CONTROL D
SW D
12
IN/OUT
11
SW B
10
OUT/IN
9
OUT/IN
SW C
8
IN/OUT
Pin No.
Pin name
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
RF equalizer setting terminal
61
EQSCT
Equalizer switching ( H : 77 pin select, L : 52pin select)
62
EQI3
RF equalizer setting terminal
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
RF equalizer setting terminal
68
PP/TE
3 beam, push pull tracking switching ( L : 3 beam)
69
EQO1
RF equalizer setting terminal
70
LDON2
APC 2 beam laser ON terminal ( H : ON)
71
EQI2
RF equalizer setting terminal
72
LDON1
APC 1 beam laser ON terminal ( H : ON)
73
EQO2
RF equalizer setting terminal
74
GND
GND (RF system)
75
EQL1
RF equalizer setting terminal
76
RFSCT
RF input switching ( H : RF differential input, PP error)
77
EQO1
RF equalizer setting terminal
78
CAO
customize amp. output
79
PREF
Base voltage output ( pick use)
80
CAN
customize amp. input
80
79
78
77
76
75
74
RFSCT
PREF
RFN
DPD/
1
TE
RFP
PREF
RESCT
2
RESCT
PD1
3
PD2
4
PD3
5
PD4
6
PD5
30KOHM
7
30KOHM
PD6
PP/TE
8
30KOHM
30KOHM
PD7
9
PP/TE
PD8
80KOHM
10
30KOHM
30KOHM
PD9
11
RFSCT
80KOHM
30KOHM
Vcc
Vcc
12
30KOHM
PREF
RFSC1
LDD1
13
LDS1
APC
30KOHM
14
30KOHM
RFSCT
LDON1
LDD2
30KOHM
15
30KOHM
30KOHM
LDS2
APC
30KOHM
SREF
16
30KOHM
LDON2
GND
17
SGC
18
SGC
FEBL
19
FEBL
TEBL
20
TEBL
VGA
BST
FOST TOST BCATH
REFI
SREF
21
22
23
24
25
26
27
- 25 -
Function
73
72
71
70
69
68
67
66
65
64
63
LDON1
LDON2
PP/TE
DPD/TE
Vcc
PREF
VGA
BST
15pF
200KOHM
5KOHM
REF
TOST
TEBL
SGC
200KOHM
5KOHM
TOST
15pF
TEBL
20pF
5KOHM
120KOHM
REF
FOST
FEBL
SGC
5KOHM
120KOHM
FOST
FEBL
20pF
SGC
5KOHM
SREF
SREF
SREF
28
29
30
31
32
33
34
35
36
37
38
62
61
EQSCT
60
BQ03
PREF
59
XQBH
XQBH
58
EQI1
57
XHTR
XHTR
56
EQO4
55
Vcc
Vcc
54
EQL2
53
TH
TH
52
EOO2
51
CPOF
CPOF
50
10KOHM
LPC
49
GND
48
TC
DEF
47
DEFC
46
DEF
PH
45
BCA
BCATH
44
PH
PH
43
PHI
BH
42
XHTR XQBH
SH
41
RFOP
39
40
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