Sony MZ-N1 Ic Pin Function Description, IC501 SN761057A RF AMP, FOCUS/TRACKING ERROR AMP

Models: MZ-N1

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MZ-N1

6-11. IC PIN FUNCTION DESCRIPTION

IC501 SN761057A (RF AMP, FOCUS/TRACKING ERROR AMP)

Pin No.

Pin Name

I/O

Description

 

 

 

 

1

TE

O

Tracking error signal output to the system controller

 

 

 

 

2

REXT

Connect terminal to the external resistor for the ADIP amplifier control

 

 

 

 

3

WPP-LPF

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

 

 

 

 

4

VREF

O

Reference voltage output terminal

 

 

 

 

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

Connect terminal to the external capacitor for TON hold

 

 

 

 

16

CIG

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

denominator

 

 

 

 

 

 

 

17

CDN

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

denominator

 

 

 

 

 

 

 

18

PD-NI

I

Light amount monitor input terminal (non-invert input)

 

 

 

 

19

PD-I

I

Reference PWM signal input for the laser automatic power control from the system controller

 

 

 

 

20

PD-O

O

Light amount monitor output terminal

 

 

 

 

21

ADFG

O

ADIP duplex FM signal (22.05kHz ± 1kHz) output to the system controller

 

 

 

 

22

DVDD

Power supply terminal (+1.7V) (digital system)

 

 

 

 

23

SBUS

I/O

SSB serial data input/output with the system controller

 

 

 

 

24

SCK

I

SSB serial clock signal input from the system controller

 

 

 

 

25

XRST

I

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

 

 

 

 

26

OFTRK

I

Off track signal input terminal Not used

 

 

 

 

27

DGND

Ground terminal (digital system)

 

 

 

 

28

BOTM

O

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

 

 

 

 

29

PEAK

O

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

 

 

 

 

30

VREF075

Connect terminal to the external capacitor for the internal reference voltage

 

 

 

 

31

VC

O

Middle point voltage (+1.1V) generation output terminal

 

 

 

 

32

CCSL2

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

 

 

 

 

33

RF OUT

O

Playback EFM RF signal output to the system controller

 

 

 

 

34

AGND

Ground terminal (analog system)

 

 

 

 

35 to 37

EQ, LP, PS

Connect terminal to the external capacitor for the RF equalizer

 

 

 

 

38

AVCC

Power supply terminal (+2.1V) (analog system)

 

 

 

 

39, 40

OFC-2, OFC-1

Connect terminal to the external capacitor for the RF AC coupling

 

 

 

 

41

ABCD

O

Light amount signal (ABCD) output to the system controller

 

 

 

 

42

FE

O

Focus error signal output to the system controller

 

 

 

 

43

S-MON

O

Servo signal monitor output to the system controller

 

 

 

 

44

ADIP-IN

I

ADIP duplex FM signal (22.05kHz ± 1kHz) input terminal Not used

 

 

 

 

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Sony MZ-N1 service manual Ic Pin Function Description, IC501 SN761057A RF AMP, FOCUS/TRACKING ERROR AMP