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No. Pin Name I/O
Function
1
FIN2
I
Connection Pin for Photo Diode of Pickup.
2
FIN1
I
FIN2 + FIN1 = RF, FIN2 - FIN1 = FE
3
E
I
Connection Pin for Photo Diode of Pickup.
4
F
I
E - F = TE
5
TB
I
Input Pin for DC ingredient of TE Signal.
6
TE-
I
Connection Pin for Gain Setting Resistor of TE
Signal to TE Signal Pin.
7
TE
O Output Pin for Tracking Error Signal.
8
TESI
I
Input Pin for Track Error Sense Comparator.
TE Signal through Band Pass, and Inputted.
9
SCI
I
Input Pin for Shock Detection.
10
TH
I
Connection Pin for Time Constant Setting of
Tracking Gain.
11
TA
O Output Pin for TA Amplifier.
12
TD-
I
Connection Pin for Constant Tracking Phase
Compensation, Consist of between TD and VR.
13
TD
I
Connection Pin for Constant of Tracking Phase
Compensation.
14
JP
I
Connection Pin for Amplitude Setting of Tracking
Jump (Kick Pulse) Signal.
15
TO
O Output Pin for Tracking Control Signal.
16
FD
O Output Pin for Focusing Control Signal.
17
FD-
I
Connection Pin for Constant of Focusing Phase
Compensation, Consist of between FD and FA.
18
FA+
I
Connection Pin for Constant of Focusing Phase
Compensation, Consist of between FD- and FA-.
19
FA-
I
Connection Pin for Constant of Focusing Phase
Compensation, Consist of between FA and FE.
20
FE
O Output Pin for Focusing Error Signal.
21
FE-
I
Connection Pin for Gain Setting Resistor of FE
Signal to FE Signal Pin.
22
AGND
-
Ground for Analog Signal.
23
NC
-
No Connect
24
SP
O Output Pin for Single End of Input Signal of the
CV+, CV- Pin.
25
SPG
I
Connection Pin for Gain Setting Resistor, when
Spindle 12 cm Mode.
26
SP-
I
Connection Pin for Constant of Spindle Phase
Compensation with SPD Pin.
27
SPD
O Output Pin for Spindle Control Signal.
28
SLEQ
I
Connection Pin for Constant of Sled Phase
Compensation.
29
SLD
O Output Pin for Sled Control Signal.
30
SL-
I
Input Pin for Sled Signal from Micro Processor.
31
SL+
I
No. Pin Name I/O
Function
32
JP-
I
Input Pin for Tracking Jump Signal from Digital
33
JP+
I
Signal Processor.
Digital Signal Processor. TGL = H : Gain Low
35
TOFF
I
Input Pin for Tracking Off Control Signal from Digital
Signal Processor. TOFF = H : OFF
36
TES
O Output Pin for Track Error Sense Signal to Digital
Signal Processor.
37
HFL
I
High Frequency Level Signal Use Detection
Main-Beam Position is on the pit or mirror.
38
SLOF
I
Input Pin for Sled Servo Off Control.
39
CV-
I
Input Pin for Constant Linear Velocity Error
40
CV+
I
Signal from Digital Signal Processor.
41
RFSM
O Output Pin for RF Signal.
42
RFS-
I
Connection Pin for Gain Setting of RF and
Constant Setting of 3T Compensation of the
EFM Signal with RFSM Pin.
43
SLC
O Slice Level Control Signal is Output Pin.
It Control Level of Data-Slice by Digital Signal
Processor of the RF Waveform.
44
SLI
I
Input Pin for Level Control of Data-Slice by
Digital Signal Processor.
45
DGND
-
Ground for Digital Signal.
46
FSC
O Output Pin for Focus Search Smooth Condenser
47
TBC
O Connection Pin for Variable Range Setting of
EF Balance.
48
N_
-
No Connect
49
DEF
O Output Pin for Defect Detection of Disc.
50
CLK
I
Input Pin for Reference Clock Pulse.
(4.23 MHz of Digital Signal Processor)
51
CL
I
Input Pin of Clock Pulse for Command from
Micro Processor.
52
DAT
I
Input Pin of Data for Command from Micro
Processor.
53
CE
I
Input Pin of Chip Enable for Command from Micro
Processor.
54
DRF
O Output Pin for Detect of RF Level.
55
FSS
I
Select Pin for Focus Search Mode
56
VCC2
-
VCC for Servo and Digital Root.
57
REFI
I
Bus Control Connection Pin for Reference Voltage.
58
VR
O Output Pin for Reference Voltage.
59
LF2
I
Connection Pin for Time Constant Setting of
Detect Detection of the Disc.
60
PH1
I
Capacitor Connection Pin for Peak-hold of RF Signal.
61
BH1
I
Capacitor Connection Pin for Bottom-hold of
RF Signal.
62
LDD
O Output Pin of APC (Automatic Power Control) Circuit.
63
LDS
I
Input Pin of APC (Automatic Power Control) Circuit.
IC101 LA9241ML (Servo Signal Processor)
