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Sony MZ-NF610 User Manual

Sony MZ-NF610
68 pages
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SERVICE MANUAL
PORTABLE MINIDISC RECORDER
US Model
Canadian Model
SPECIFICATIONS
MZ-NF610
US and foreign patents licensed from Dolby
Laboratories.
– Continued on next page –
Model Name Using Similar Mechanism MZ-R410
Mechanism Type MT-MZN710-177
Optical Pick-up Name LCX-5R
Ver 1.0 2003. 03
9-877-144-01 Sony Corporation
2003C167800-1 Personal Audio Company
C 2003.03 Published by Sony Engineering Corporation
SonicStage, OpenMG and the OpenMG
logo, MagicGate, Net MD and the Net
MD logo are trademarks of Sony
Corporation.
Microsoft, Windows, Windows NT and
Windows Media are trademarks or
registered trademarks of Microsoft
Corporation in the United States and /or
other countries.
IBM and PC/AT are registered
trademarks of International Business
Machines Corporation.
Macintosh is a trademark of Apple
Computer, Inc. in the United States and/
or other countries.
MMX and Pentium are trademarks or
registered trademarks of Intel
Corporation.
All other trademarks and registered
trademarks are trademarks or registered
trademarks of their respective holders.
™ and ® marks are omitted in this
manual.
MD recorder
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: λ = 790 nm
Emission duration: continuous
Laser output: less than 44.6 µW
(This output is the value measured at a distance
of 200 mm from the lens surface on the optical
pick-up block with 7 mm aperture.)
Recording and playback time (when
using MDW-80)
Maximum 160 min. in monaural
Maximum 320 min. in LP4 stereo
Revolutions
380 rpm to 2,700 rpm (CLV)
Error correction
ACIRC (Advanced Cross Interleave Reed
Solomon Code)
Sampling frequency
44.1 kHz
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
AT RAC (Adaptive TRansform Acoustic
Coding)
AT RAC 3 — LP2/LP4
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Sony MZ-NF610 Specifications

General IconGeneral
TypeMiniDisc Player
ModelMZ-NF610
Recording ModesSP, LP2, LP4
PC ConnectivityUSB
NetMDYes
CategoryPortable Audio
Power SourceAA Battery

Summary

Servicing Notes

Handling Optical Pick-up Block

Precautions for handling optical pick-up components safely.

Laser Diode Emission Check

Warning against direct eye exposure to laser diode emissions.

System Requirements

Hardware and software needs for using related software.

General

Disassembly

Disassembly Flow

Outline of the steps for taking the set apart.

Case (Lower)

Instructions for removing the bottom case.

MAIN Board

Guide to accessing and removing the main circuit board.

Mechanism Deck (MT-MZN710-177)

Steps for removing the disc mechanism unit.

OP Service Assy (LCX-5R)

Details on disassembling the optical pick-up service assembly.

DC Motor (Sled) (M602)

Steps to remove the sled DC motor.

Test Mode

Electrical Adjustments

NV Reset

Procedure to reset non-volatile memory values.

Temperature Correction

Method for adjusting temperature compensation.

Power Supply Manual Adjustment

Steps for manually adjusting power supply parameters.

Power Supply Adjustment Auto Item Feed

Automated process for temperature and power adjustments.

Laser Power Check

Overall Adjustment Mode

Configuration of Overall Adjustment Mode

Steps to configure the overall adjustment process.

CD and MO Overall Adjustment Method

Overall Adjustment Error Message

Common error messages during CD/MO adjustments.

CD and MO Overall Adjustment Items

List of items adjusted during CD and MO overall calibration.

Diagrams

Block Diagram

Overview of the system's interconnected components.

Printed Wiring Board - MAIN Board (Side A)

Diagram of the main board's component layout.

Printed Wiring Board - MAIN Board (Side B)

Diagram of the main board's component layout.

Schematic Diagram - MAIN Board (1/4)

Electrical schematic of the main board.

IC Pin Function Description

Detailed pin functions for integrated circuits.

Exploded Views

Case Section

Exploded view of the unit's case components.

Chassis Section

Exploded view of the chassis and related parts.

MAIN Board Section

Exploded view of the main board and its associated parts.

Mechanism Deck Section-1 (MT-MZN710-177)

Exploded view of the first part of the mechanism deck.

Mechanism Deck Section-2 (MT-MZN710-177)

Exploded view of the second part of the mechanism deck.

Electrical Parts List

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