Sony MZ-R501 User Manual

1
MZ-R501/R501PC
SERVICE MANUAL
Model Name Using Similar Mechanism MZ-R500
Mechanism Type MT-MZR500-172
Optical Pick-up Name LCX-4R
System
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 stereo
Revolutions
350 rpm to 2,800 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
ATRAC (Adaptive TRansform Acoustic
Coding)
ATRAC3-LP2
ATRAC3-LP4
SPECIFICATIONS
Modulation system
EFM (Eight to Fourteen Modulation)
Number of channels
2 stereo channels
1 monaural channel
Frequency response
20 to 20,000 Hz ± 3 dB
Wow and Flutter
Below measurable limit
Inputs
Line in: stereo mini-jack, minimum input
level 49 mV
Optical (Digital) in: optical (digital) mini-
jack
Outputs
i: stereo mini-jack, maximum output level
5 mW + 5 mW, load impedance 16 ohm
General
Power requirements
Sony AC Power adaptor connected at the
DC IN 3 V jack
120 V AC, 60 Hz (US, Canadian model)
230 V AC, 50/60 Hz (AEP model)
230 – 240 V AC, 50 Hz (UK model)
100 – 240 V AC, 50/60 Hz (E model)
220 V AC, 50 Hz (Chinese, Argentina
model)
One LR6 (size AA) alkaline dry battery (not
supplied)
– Continued on next page –
US Model
Canadian Model
AEP Model
UK Model
Chinese Model
MZ-R501
E Model
East European Model
MZ-R501/R501PC
US and foreign patents licensed from Dolby
Laboratories.
Ver 1.0 2001. 01
PORTABLE MINIDISC RECORDER
Ver 1.1 2002. 03
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
9-873-408-02
2002C0400-1
© 2002. 03
Photo: Silver

Sony MZ-R501 Specifications

General

Sampling Frequency	44.1 kHz
Category	Portable
Formats	MiniDisc
Recording Modes	LP2, LP4
Frequency Response	20 Hz - 20 kHz
Power Source	Battery or AC adapter
Digital Input	Optical
Headphone Output	Yes
Line Output	Yes
Microphone Input	Yes
Type	MiniDisc Recorder
Recording Time	Up to 80 minutes (SP mode)

Summary

Servicing Precautions

Servicing Precautions

Key precautions for handling sensitive components and performing repairs safely.

General Information

Controls and Display Overview

Identification of the recorder's buttons, switches, and display indicators.

Disassembly Procedures

Component Disassembly Procedures

Step-by-step guide for dismantling major assemblies and components.

Test Mode Operations

Test Mode Operations and Diagnostics

Detailed guide on entering, configuring, and using various test modes for diagnostics.

Electrical Adjustments

Electrical Adjustment Procedures

Comprehensive instructions for performing all electrical adjustments, including NV reset and overall calibration.

Diagrams and Schematics

Technical Diagrams and Schematics

Circuit diagrams, block diagrams, PWB layouts, and IC diagrams for system analysis.

Exploded Views

Component Exploded Views

Exploded diagrams showing component layouts and part numbers for assembly/disassembly.

Electrical Parts List

Electrical Component Specifications

Detailed list of electronic components, their part numbers, and specifications.

Accessories

Supplied Accessories

List of accessories provided with the unit, such as adaptors and manuals.

Revision History

Manual Revision Log

Records of updates and changes made to the service manual over time.