6-8. IC PIN FUNCTION DESCRIPTION

•IC501 SN761057DBT (RF AMP, FOCUS/TRACKING ERROR AMP)

Pin No.

Pin Name

I/O

Description

 

 

 

 

1

TE

O

Tracking error signal output to the system controller (IC601)

 

 

 

 

2

REXT

I

Connect terminal to the external resistor for ADIP amp control

 

 

 

 

3

WPPLPF

I

Connect terminal to the external capacitor for TPP/WPP low-pass filter

4

VREF

O

Reference voltage output terminal (+1.1V)

 

 

 

 

5

C

I

Signal (C) input from the optical pickup detector

6

D

I

Signal (D) input from the optical pickup detector

 

 

 

 

7

D-C

I

Signal (D) input from the optical pickup detector (AC input)

 

 

 

 

8

IY

I

I-V converted RF signal (IY) input from the optical pickup detector

9

IX

I

I-V converted RF signal (IX) input from the optical pickup detector

 

 

 

 

10

JX

I

I-V converted RF signal (JX) input from the optical pickup detector

11

JY

I

I-V converted RF signal (JY) input from the optical pickup detector

 

 

 

 

12

A

I

Signal (A) input from the optical pickup detector

13

A-C

I

Signal (A) input from the optical pickup detector (AC input)

 

 

 

 

14

B

I

Signal (B) input from the optical pickup detector

 

 

 

 

15

TON-C

I

Connect terminal to the external capacitor for TON hold

16

CIG

I

Connect terminal to the external capacitor for the low-pass filter of NPP divider

denominator

 

 

 

 

 

 

 

17

CDN

I

Connect terminal to the external capacitor for the low-pass filter of CSL divider

denominator

 

 

 

 

 

 

 

18

PD-I

I

Light amount monitor input terminal (invert input)

19

PD-NI

I

Light amount monitor input terminal (non-invert input)

 

 

 

 

20

PD-O

O

Light amount monitor output terminal

 

 

 

 

21

ADIP

O

ADIP duplex FM signal (66.15kHz ± 3kHz) output to the system controller (IC601)

22

DVDD

I

Power supply terminal (+1.9V) (digital system)

 

 

 

 

23

SBUS

I/O

SSB serial data input/output with the system controller (IC601)

24

SCK

I

SSB serial clock signal input from the system controller (IC601)

 

 

 

 

25

XRST

I

Reset signal input from the system controller (IC601) “L”: reset

26

OFTRK

I

Off track signal input from the system controller (IC601)

 

 

 

 

27

DGND

I

Ground terminal (digital system)

 

 

 

 

28

BOTM

O

Bottom hold signal output of the light amount signal (RF/ABCD) to the system controller

(IC 601)

 

 

 

 

 

 

 

29

PEAK

O

Peak hold signal output of the light amount signal (RF/ABCD) to the system controller

(IC 601)

 

 

 

 

 

 

 

30

VREF

I

Connect terminal to the external capacitor for the internal reference voltage

 

 

 

 

31

VC

O

Middle point voltage (+1.2V) generation output terminal

32

CCSL2

I

Connect terminal to the external capacitor for TPP/WPP low-pass filter (not used in this set)

 

 

 

 

33

RF OUT

O

Playback EFM RF signal output to the system controller (IC601)

 

 

 

 

34

AGND

I

Ground terminal (analog system)

35~37

EQ, LP, PS

I

Connect terminal to the external capacitor for the RF equalizer

 

 

 

 

38

AVCC

I

Power supply terminal (analog system) (+2.2V)

39, 40

OFC2, OFC-1

I

Connect terminal to the external capacitor for RF AC coupling

 

 

 

 

41

ABCD

O

Light amount signal (ABCD) output to the system controller (IC601)

 

 

 

 

42

FE

O

Focus error signal output to the system controller (IC601)

43

S-MON

O

Servo signal monitor output to the system controller (IC601)

 

 

 

 

44

ADIP-IN

I

ADIP duplex FM signal (66.15kHz ± 3kHz) input terminal, 3 times speed

— 31 —

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Sony MX-E500 specifications IC PIN Function Description
Page 24 Page 26

MX-E500 specifications

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