M62481FP datasheet(61/89 Pages) MITSUBISHI

Part #	M62481FP

Description	PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT

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Manufacturer	MITSUBISHI [Mitsubishi Electric Semiconductor]

Direct Link	http://www.mitsubishichips.com

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ELECTRIC

MITSUBISHI

(

/ 88 )

MITSUBISHI SOUND PROCESSOR LSI

M62481FP

PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT

D-62481-87I

Focus Servo System1

53

A

B

Focus Offset

Voltage

0.1P

54

Focus Balance2

Focus

Balance1

Focus gain1

JP1 Input

Circuit

Focus

offset

judgment

Focus offset

Method I

Foucs Search

Circuit

Focus offset

Method II

ADJ FO2

a

b

a

b

Focus offset Method I

Focus offset

Method II

FG2

39

38

( FE Amp, FS Amp, Focus offset ADJ, Focus gain ADJ )

FS

A

B

A-B

FE1

FE2

FG SIG

Focus gain

judgment

FG RET

30

31

29

33

32

Focus

Actuator

35

37

36

34

FG1

1k

220k

22k

Buffer

60k

0.1P

60k

47k

12p

36p

30k

ADJ FO1

FS HOLD

FS ON

FS OFF

60

24

230k

44

ADJ FBAL

VREF=1/2Vcc

FZC Shock

Circuit

FZC OFF

pin 31

32

Focus

gain2

Focus

gain3

(offset)

18k

FE2 OUT

CFSR

FG2

FS -IN

FS OUT

COMP IN

FG2

FE2

OUT

FE2 -IN

FG1

FE2

+IN

FE1

-IN

B

A

JP1/SG

OSF

30k

( Note ) Resistors and Capacitors without value are externals.

BW WIDE

-B

-A

100k

47p

2k

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M62481FP Datasheet(PDF) 61 Page - Mitsubishi Electric Semiconductor

M62481FP Datasheet(HTML) 61 Page - Mitsubishi Electric Semiconductor

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