IC, LA9241ML

Pin No.

Pin Name

I/O

Description

 

 

 

 

1

FIN2

O

For the connection of the pickup photodiode. Addition to the FIN1 pin creates an RF

signal and subtraction from it create an EF signal.

 

 

 

 

 

 

 

2

FIN1

O

For the connection of the pickup photodiode.

 

 

 

 

3

E

O

For the connection of the pickup photodiode. Subtraction from the F pin creates a TE

signal.

 

 

 

 

 

 

 

4

F

O

For the connection of the pickup photodiode.

 

 

 

 

5

TB

I

Inputs the DC components in the TE signal.

 

 

 

 

 

 

 

For the connection of a resistor which sets the gain of the TE signal between this pin

6

TE-

O

and the TE pin.

 

 

 

 

 

 

 

7

TE

O

TE signal output.

 

 

 

 

8

TESI

I

TES (track error sense) comparator input. The signal is passed through a BPF.

 

 

 

 

9

SCI

I

Shock detection input.

 

 

 

 

10

TH

I

Sets the time constant for the tracking gain.

 

 

 

 

11

TA

O

TA amp output.

 

 

 

 

12

TD-

I

Composes the tracking phase compensation constant between the TD and VR pins.

 

 

 

 

13

TD

I

Sets the tracking phase compensation.

 

 

 

 

14

JP

I

Sets the amplitude of the tracking jump signal (kick pulses).

 

 

 

 

15

TO

O

Tracking control signal output.

 

 

 

 

16

FD

O

Focusing control signal output.

 

 

 

 

17

FD-

I

Composes the focusing phase compensation constant between the FD and FA pins.

 

 

 

 

18

FA

O

Composes the focusing phase compensation constant between the FD and FA pins.

 

 

 

 

19

FA-

I

Composes the focusing phase compensation constant between the FD and FA pins.

 

 

 

 

20

FE

O

FE signal output.

 

 

 

 

21

FE-

I

For the connection of a resistor whichs sets the gain of the FE signal between this pin

and the TE pin.

 

 

 

 

 

 

 

22

A-GND

O

Ground of analog signals.

 

 

 

 

23

SP

O

Single-ended output of the signals input to the CV+ and CV- pins.

 

 

 

 

24

SPI

I

Spindle amp input.

 

 

 

 

25

SPG

I

For the connection of a resistor which sets the gain in the spindle 12cm mode.

 

 

 

 

26

SP-

I

For the connection of the spindle phase compensation constant with the SPD pin.

 

 

 

 

27

SPD

O

Spindle control signal output.

 

 

 

 

28

SLEQ

I

For the connection of sled phase compensation constant.

 

 

 

 

29

SLD

O

Sled control signal output.

 

 

 

 

30

SL-

I

Sled feed signal input from the microprocessor.

 

 

31

SL+

 

 

 

 

 

 

32

JP-

I

Tracking signal input from the DSP.

 

 

33

JP+

 

 

 

 

 

 

34

TGL

I

Tracking gain control signal input from the DSP. Low gain when TGL is "H".

 

 

 

 

35

TOFF

I

Tracking off control signal input from the DSP. Off when TOFF is "H".

 

 

 

 

36

TES

O

Outputs the TES signal to the DSP.

 

 

 

 

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Aiwa CDC-Z107 service manual Tesi, Sci, Spi, Spg, Spd, Sleq, Sld, Sl+, Tgl