- 30 -
IC BLOCK DIAGRAM & DESCRIPTION
IC100 LA9703WLS-MPB (READ Channel)
Functions
Customer OP amp. + input
Power supply (For DPD)
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Ground (For DPD)
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
APC 1 output
APC 1 monitor input
APC 2 output
APC 2 monitor input
Ground (Servo system)
APC 1 threshold change
APC 1 laser ON
APC 2 laser ON
RFAGC OFF
PH discharge coeffcient change
RF, servo signal gain up
RF, EQL band change
TE output change
WO output change
Power supply (Servo system)
Tracking hold (H:hold)
Tracking bottom band change (High band)
Servo gain control (RREC, FE, PP, TE)
EQL boost adjusting
EQL I/O control
FE balance adjusting
TE balance adjusting
Charge pump gain setting resistor, condenser connect
Peflection output
Focus error output
Tracking error output
WO/push-pull output
Push/pull output
Push/pull gain setting resistor connect
DC cut capacity connect
BPF center frequency setting resistor connect
RF bottom detection output
RF peak detection output
SREF setting
Peak hold detection setting resistor connect (When SCA)
RF-AGC PH detection conderser connect
Servo signal voltage reference output
RE DC servo condenser connect
N/C
RF - output
RF + output
Ground (RF system)
EQL frequency setting resistor connect
Voltage refernce output (For pick)
RF signal - input
N/C
RF input
Customer OP amp. output
Power supply (RF system)
Customerm OP amp. - input
Terminal No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Symbole
CAP
VCC
PDRF
PD1
PD2
PD3
PD4
GND
FIN1
FIN2
PIN1
PIN2
TIN1
TIN2
LDD1
LDS1
LDD2
LDS2
GND
LDTH
LDON1
LDON2
AGOF
BCA
GU
DVD/CD
DPD/TE
WO/PP
VCC
TH
XHTR
SGC
BST
FC
FEBL
TEBL
CP
RREC
FE
TE
WO
PP
PPN
WOC
ISET
BH
PH
SREFI
BCAI
PHC
SREF
LPC
N/C
RFON
RFOP
GND
FSET
PREF
RFN
N/C
RFP
CAO
VCC
CAN
