LB8107M Ver la hoja de datos (PDF) - SANYO -> Panasonic

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LB8107M

Portable CD Player Actuator Driver

SANYO -> Panasonic 

LB8107M

Continued from preceding page.

Pin No.

28

Symbol

SLL

I/O

I Sled drive stop voltage adjustment

Sled switching

Pin function

29

SLS

I

Unit (resistance: Ω)

30

VREF1

32

IN3

33

IN4

34

OUT4 (–)

35

OUT4 (+)

36

OUT3 (–)

37

OUT3 (+)

41

OUT2 (–)

42

OUT2 (+)

43

OUT1 (–)

44

OUT1 (+)

I Motor control block input reference voltage: supplied from the CD servo IC

I Actuator control input: Spindle

I Actuator control input: Sled

O Actuator control output (–): Sled

O Actuator control output (+): Sled

O Actuator control output (–): Spindle

O Actuator control output (+): Spindle

O Actuator control output (–): Tracking

O Actuator control output (+): Tracking

O Actuator control output (–): Focus

O Actuator control output (+): Focus

Functional Description

1. Actuator drivers (focus, tracking, spindle and sled)

VREF1 is supplied from the CD DSP that is powered by the stepped-up voltage (5.0 V) created by the LB8107M.

(Normally, VREF1 will be 1/2 VCD2.)

No. 4851-6/10

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