Sony MZ-N1 DRAMVSS0, DVSS0, DVDD0, SSB Data, Ssb Clk, Vrec PWM, Vl Pwm, Vc Pwm, Vd Pwm, IFVDD0

Page 47

MZ-N1

IC801 CXD2677-202GA (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR, 16M BIT D-RAM)

Pin No.

Pin Name

I/O

 

 

Description

 

 

 

 

 

1

NC

O

Load address strobe signal output terminal for D-RAM

Not used

 

 

 

 

 

 

 

2

NC

I

Test input terminal for D-RAM

Not used

 

 

 

 

 

 

 

 

3 to 7

NC

O

Address signal output terminal for D-RAM

Not used

 

 

 

 

 

 

 

8, 9

NC

I/O

Two-way data bus terminal for D-RAM

Not used

 

 

 

 

 

 

 

10, 11

DRAMVDD0, 1

Power supply terminal (for D-RAM) (+2.2V)

 

 

 

 

 

 

 

 

 

 

12, 13

DRAMVSS0, 1

Ground terminal (for D-RAM)

 

 

 

 

 

 

 

 

 

 

14, 15

NC

I/O

Two-way data bus terminal for D-RAM

Not used

 

 

 

 

 

 

 

16 to 19

NC

O

Address signal output terminal for D-RAM

Not used

 

 

 

 

 

20

NC

O

Column address strobe signal output terminal for D-RAM Not used

 

 

 

 

 

 

 

21

NC

I

Test input terminal for D-RAM

Not used

 

 

 

 

 

 

 

 

22, 23

NC

O

Address signal output terminal for D-RAM

Not used

 

 

 

 

 

 

 

 

24

DVSS0

Ground terminal (for the DSP block)

 

 

 

 

 

 

 

 

25

DVDD0

Power supply terminal (for the DSP block) (+1.1V)

 

 

 

 

 

 

26

OFTRK

I

Off track signal input from the DSP monitor (3)

 

 

 

 

 

 

 

27

SSB DATA

I/O

SSB data input/output with the RF amplifier

 

 

 

 

 

 

 

 

 

28

SSB CLK

O

SSB clock output to the RF amplifier

 

 

 

 

 

 

 

29

VREC PWM

O

PWM signal output for the Over write head drive power supply voltage control to the power

control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

VL PWM

O

PWM signal output for the laser power supply voltage control to the power control

 

 

 

 

31

VC PWM

O

PWM signal output for the system power supply voltage control to the power control

 

 

 

 

32

VD PWM

O

VD power supply voltage control signal output to the DC/DC converter

 

 

 

 

 

 

 

 

33

NC

Not used

 

 

 

 

 

 

 

 

34

IFVDD0

Power supply terminal (for the microcomputer I/F block) (+1.7V)

 

 

 

 

 

35

IFVSS0

Ground terminal (for the microcomputer I/F block)

 

 

 

 

 

 

36

OPT DET

I

DIN plug detection signal input terminal

“H”: DIN plug detect

 

 

 

 

 

37

XJACK DET

I

LINE IN plug detection signal input terminal

“L”: LINE or OPT plug detect

 

 

 

 

38

XMIC DET

I

Microphone plug detection signal input terminal “L”: microphone plug detect

 

 

 

 

39

OPEN CLOSE

I

Open/close detection switch of the upper panel input terminal

SW

“L”: when upper panel close

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

SET CODE0

I

Input terminal for the set (fixed at “L” in this set)

 

 

 

 

 

 

 

 

41

SET CODE1

I

Input terminal for the set (open in this set)

 

 

 

 

 

 

 

 

42, 43

SET CODE1, 2

I

Input terminal for the set (fixed at “L” in this set)

 

 

 

 

 

 

 

44

XPATCH

I

Patch function detection terminal

“L”: patch function

Not used

 

 

 

 

45

SI0

I

Serial data input from the nonvolatile memory and liquid crystal display element module

 

 

 

 

46

SO0

O

Serial data output to the nonvolatile memory, A/D converter and liquid crystal display element

module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

47

SCK0

O

Serial clock signal output to the nonvolatile memory, A/D converter and liquid crystal display

element module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

48

XGUM ON

I

Rechargeable battery detection switch input terminal

“L”: rechargeable battery in detect

 

 

 

 

49

BEEP

O

Beep sound control signal output to the headphone amplifier

 

 

 

 

 

50, 51

TEST1, TEST0

I

Input terminal for the main test (normally fixed at “L”)

 

 

 

 

 

 

 

 

 

52

KDO

O

Data output terminal Not used

 

 

 

 

 

 

 

 

 

 

 

53

KRB

I

Ready/busy signal input terminal

Not used

 

 

 

 

 

 

 

 

 

54

KCLK

O

Clock signal output terminal Not used

 

 

 

 

 

 

 

 

 

 

55

KCS

O

Chip select signal output terminal

Not used

 

 

 

 

 

 

 

 

 

 

47

Image 47
Contents 873-443-01 SpecificationsMZ-N1 Battery lifeFlexible Circuit Board Repairing Table of ContentsDisassembly DiagramsSystem requirements MZ-N1 Section Servicing NotesRecorder Section GeneralDisassembly Flow MZ-N1 Section DisassemblyUpper Panel Section Bottom Panel AssyMain Board Section LCD MODULE, Upper Panel AssyMD Mechanism Deck MT-MZN1-171, Chassis Assy Battery Case ASSY, Main BoardGear SA Screw M1.4 OP Service Assy LCX-5RDC Motor Sled M602 Holder AssyOver write head up/down Releasing the Test Mode MZ-N1 Section Test ModeSetting Method of Test Mode Operation in Setting the Test ModeA n u a l Configuration of Test ModeManual Mode Transition method in manual mode011 0 5 9 a 0 011 C 6 8 S 0F F J 0 011 0 6 3 B 0Description of indication history Reset the Error Display CodeDescription of error indication codes Setting method of reset the error display code000 JOG+OK 000 P * * RPush 000 JOG+RMC OK RPLAYSET OK ResOK? ResetMZ-N1 Section Electrical Adjustments ResNV CC862 V1 dat AbcdGnDfct 861 V1 num874 V6 dat 873 V6 numVLpwmH Power Supply Manual AdjustmentVclPWM VLpwmLSetTmp RECpwLRECpwH VdpwmIC301 WritPwOfstOK AssyAssy11 OfstResume CC 000 *** NGCD OK MO OKRewriting the patch data PreparationServicing Notes Pre-checkMZ-N1 MZ-N1 Block Diagram SERVO/USB Section MZ-N1 Section DiagramsBeep Mute HP/L Block Diagram Audio SectionBlock Diagram DISPLAY/KEY CONTROL/POWER Supply Section Lead Layouts Main Board Semiconductor LocationIC301 See page 41 for IC Block Diagrams Schematic Diagram Main Board 1/4Flah 4S08 Schematic Diagram Main Board 3/4 See page 40 for WaveformsComponents identified by mark 0or dotted MVp-p WaveformsIC302 AN17020A-VB IC Block Diagrams IC301 AK5354VT-E2IC501 SN761057A IC551 SC111258FCR2 IC601 XPC18A22AFCR2 IC901 XPC18A32AFCR2 IC PIN Function Description SSB Data DRAMVSS0DVSS0 DVDD0Aout SEL KDITrst VG CTLWK DET LCD RSTVref MON Vbus DETVsiosc VdioscOsci OscoIFVDD3 LrckDVSS3 DVDD3Flashvdd XOEXWE EVAKNOB, Balance White . . . RED MZ-N1 Section Exploded ViewsNot supplied Bottom Panel Section102 104 Chassis Section107 108 101 102 103Main BOARD, Complete FR 155 156 157 154 152 153 151315 MD Mechanism Deck Section MT-MZN1-171312 322MZ-N1 Main Section Electrical Parts ListMica Chip IC XC61CN0802NR Except FR Short 503 501 502505 504Revision History
Related manuals
Manual 64 pages 14.67 Kb

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.