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IC BLCMCK DIAGRAM
(CD)
ICIO1 IJWI1OM
(Servo Signal Processor)
~
NO.
PIN NAME
1/0
FUNCTION
No.
PIN NAME
1/0
FUNCTION
1
NC
Non Connection
41
NC
Non Connection
2
VEE
-5V
42
JP-
1
- Input
of Track Jump Pulse Amp[lfier
3
E
I
IV Convert
Input (from
Photo
D;ocie E)
43
JP+
I
+ Input
of Track Jump Pulse Arnc' 'ier
4
F
I
IV Convert
Input (from
Photo
diode
F)
44
THLD
I
Hold of Output
Voltage
of Tracking
Serv
—
5
FN
1
IV Converter
Input
45
TG L
1.
Tracking
Gain Low
6
FCl
o
IV Converter
Output
46
TOFF
I
Input
For Off the Tracking
Servo
7
TE&O
o
Tracking
Error Ampl!fler
Output
47
TES
o
Tracking
Error Signal
8
VREF2
I
Reference
Voltage
2
48
HFL
o
Detect
Track Signal
9
VRE!=3
I
Reference
Voltage
3
49
FZD
o
Detect
S Carve of
Focus Error Signal
10
TEST
—
I
Test Input
50
FOCS
I
Input
For Off the Focus Servo
11
ATSC
I
+ Input
of Anti
Shock Detect
Amplifier
51
CLV-
1
- Input
of
CLV Error Amplifier
12
AT5C-
1
- Input
of Anti
Shock Detect
Amplifier
'
52
CLV +
I
+ Input
of CLV Error Amplifier
13
TPA -+
I
- Input
of
Tracking
Pulse Amplifier
53
SLCO
o
Slice Level Control
Amplifier
Output
14
TPA-
1
+ lnDut
of Trackina
Pulse Am Dlifier
54
— EFMO
i
EFMO (RF) Siqnal
15
TPAO
o
Tracking
Pulse Amplifier
Output
55
Al
I
I EFMO (RF) Signal
16
TOFS
I
Input
for Tracking
Offset
56
VDD
I +
5V
17
THDS
I
Trackina
Servo Hold Switch
57
PDO
I
+
Input
of
VCO Control
Amplifier
18
TO++
I
Add the Track Jump Pulse
58
PDO-
1
- Input
of
VCO Control
Amplifier
19
JPO
o
Track Jump Pulse Amplifier
Output
59
Vcoc
I
VCO Control
Amplifier
Output
20
SLEQ
I
Input for Sled Servo Equalizer
60
Vcoo
o
Vco
output
21
TDO
o
Tracking
Actuator
Coil Driver
Output
61
LF1
I
Input
of Low Pass Filter
22
FDO
o
Focus Actuator
Coil Driver
Output
62
CLK
I
Clock
23
FO-
1
Input
:or Focus Actuator
Coil Driver
63
LAS ER
I
Laser Control Signal
24
FSW
I
Focus Servo Switch
64
66/60
I
Select of DSP LC7866 / LC7860
25
NC
Non Connection
65
NC
Non Connection
26
FEAO
o
Focus Error Amplifier
Output
66
DF2
I
Input
for Defect
Pulse width
Control
?7
FE +
I
+ Incwt of
Focus Error Amcriifier
67
DF1
I
lnDut
for Defect
Pulse width
Control
28
I
FD +
I I I +
Input
of
Focus Actuator
Coil Driver
68
I
PH3
I O
I Defect
Detect
Timing
291SP0
o
CLV Error Amplifier
Output
69
BH
1- I
Track Detect
Timing
1
30 I sPo-
1 I I
Input
for Spindle
Motor
Driver
I 70
I
PH
I
I
I Focus Detect
Timing
31
SPDO
o
Spindle
Motor
Driver Output
71
GND
I Ground
32
VEE
-5V
72
RF SUM
o
RF SUM Amplifier
Output
33
SLOO
o
Sled Motor
Driver
Output
73
RFS-
0
IV Converter
Output
34
SL-
1
- input
of
Sled Motor
Driver
74
LDO
o
Laser Diode ON
35
SL+
[
+ Input of Sled Motor
Driver
75
LDS
I
Input of Auto Laser Power Control
36
Vcc
+ 5V
76
LDC
I
Input
of Auto
Laser Power Control
37
SLSW
I
Sled Servo Switch
77
VDD
,+5V
38
DEFO
o
Defect
Signal Output
78
FIN1
I
IV Convert
Input (From Photo
Diode A+ C
39
2FREQ
I
Input
for VCO
79
FIN2
I
IV Convert
Input (From Photo Diode
B + D
! 40
I
DRF
I
O
I Focusina
Servo ON : Hiah Level
II
80
I
VREFI
I
I
I Reference
Vo!taqe
1
ICI02
LA6524 (Dual Motor
& Actuator
Coil Driver)
<
OUT1
OUT2 VEE IN1
IN2
IN3
IN4
VCC 0uT3
OUT4
-20-
- Quick Links:
- Specification
- System Connection
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