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

 

 

 

 

46

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Sony MZ-N1 service manual IC PIN Function Description
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MZ-N1 specifications

The Sony MZ-N1, a revered model in the world of portable mini-disc players, holds a special place in the hearts of audiophiles and casual listeners alike. Launched as part of Sony's celebrated mini-disc lineup, it exemplifies the innovative spirit of its time with a sleek, compact design and a suite of features that appealed to music lovers.

At the heart of the MZ-N1 is its support for both standard and high-speed recording, allowing users to transfer their favorite tracks from CDs or other sources quickly and efficiently. The unit employs a unique mechanism known as the ATRAC codec, which optimizes audio compression while maintaining sound quality. This technology enables users to fit numerous tracks onto a single mini-disc, transforming how music was stored and played back.

One of its standout features is the inclusion of SonicStage software, which serves as a companion for managing music libraries. Users can edit playlists, transfer tracks, and organize their music collection seamlessly. The player supports various formats, including MP3, making it versatile in its playback capabilities. Additionally, the MZ-N1 is equipped with a backlit display, facilitating easy navigation even in low-light conditions.

Another notable characteristic of the MZ-N1 is its impressive battery life, offering hours of continuous playback on a single charge. This longevity made it an attractive option for users on the go, ensuring that their music would last through long commutes or road trips without interruption.

Furthermore, the MZ-N1 features a headphone amplifier that enhances sound quality, providing a richer audio experience. The player boasts a range of sound customizations, allowing users to adjust equalizer settings to suit their preferred listening style.

In terms of design, the MZ-N1 is compact, lightweight, and sturdy, making it highly portable. The simple, intuitive interface ensures that users can navigate through functions with ease, enhancing the overall listening experience.

Overall, the Sony MZ-N1 stands as a remarkable blend of technology and user-friendly design, showcasing the innovation of the early 2000s portable audio solutions. Its combination of sound quality, flexibility, and battery efficiency has solidified its status as a classic in the realm of mini-disc players. While modern digital music players have largely eclipsed this technology, the legacy of the MZ-N1 endures in the memories of those who experienced its audio marvels.
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