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No. Pin Name I/O Function
1 FIN2IConnection Pin for Photo Diode of Pickup.
2 FIN1IFIN2 + FIN1 = RF, FIN2 - FIN1 = FE
3EIConnection Pin for Photo Diode of Pickup.
4FIE - F = TE
5TBIInput Pin for DC ingredient of TE Signal.
6 TE- I Connection Pin for Gain Setting Resistor of TE
Signal to TE Signal Pin.
7TEOOutput 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 IConnection Pin for Time Constant Setting of
Tracking Gain.
11 TA O Output Pin for TA Amplifier.
12 TD- IConnection 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+IConnection 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 IConnection 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 IConnection Pin for Constant of Sled Phase
Compensation.
29 SLDOOutput Pin for Sled Control Signal.
30 SL-IInput Pin for Sled Signal from Micro Processor.
31 SL+ I
No. Pin Name I/O Function
32 JP-IInput Pin for Tracking Jump Signal from Digital
33 JP+ISignal 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 IHigh 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+ ISignal 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 OSlice 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 OConnection 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 IInput Pin of Data for Command from Micro
Processor.
53 CE IInput 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 LDDOOutput Pin of APC (Automatic Power Control) Circuit.
63 LDS I Input Pin of APC (Automatic Power Control) Circuit.
IC101 LA9241ML (Servo Signal Processor)
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