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Sony MZ-R90 - User Manual

Sony MZ-R90
56 pages
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3-867-571-23(1)
Portable
MiniDisc Recorder
Operating Instructions
©1999 Sony Corporation
MZ-R90
MZ-R91

Table of Contents

Other manuals for Sony MZ-R90

Questions and Answers

  • M
    Michael BairdAug 18, 2025
    Why does the playback sound skip on my Sony CD Player?
    • K
      Kimberly WilkinsonAug 18, 2025
      If the playback sound skips on your Sony CD Player, it could be due to the recorder being placed on an unstable surface that receives continuous vibration. Try placing it on a stable surface.
  • J
    Joseph GrimesAug 21, 2025
    What to do if there is no sound through headphones on Sony MZ-R90 CD Player?
    • S
      sarah17Aug 21, 2025
      If you're not getting any sound through your headphones on your Sony CD Player, here are a few things to check: * Make sure the headphone plug is securely connected to the remote control and that the remote control is firmly connected to the i/LINE OUT. * The volume might be too low. Adjust it by pressing the VOL +/– buttons. * The AVLS (Automatic Volume Limiter System) might be enabled. Try setting AVLS to “AVLS OFF”.
  • S
    Sandra HudsonAug 25, 2025
    Why does the clock lose time on my Sony MZ-R90?
    • T
      Teresa RossAug 26, 2025
      If the clock on your Sony CD Player loses time, the display flashes, or the recording date isn't stamped on the disc, it could be due to a weak built-in battery. Connect the AC power adapter to DC IN 3V on the recorder and the wall outlet to charge the built-in battery. After charging, set the clock again. Also, make sure the clock is set.
  • L
    Lauren WarrenAug 27, 2025
    How to fix rechargeable battery not charging on Sony MZ-R90?
    • H
      hgonzalezAug 27, 2025
      If the rechargeable battery in your Sony CD Player isn't charging, ensure that the battery is inserted correctly and the AC power adapter is properly connected.
  • J
    John DanielsAug 30, 2025
    Why can't CD text information be recorded on my Sony MZ-R90 CD Player?
    • K
      kevinburnettAug 31, 2025
      If your Sony CD Player isn't recording CD text information, it could be due to several reasons: * The cable connecting the devices might not be an optical cable. Use an optical cable. * The connected portable CD player may not support CD-TEXT. Connect a portable CD player that supports CD-TEXT. * The inserted CD might not support CD-TEXT. Use a CD that supports CD-TEXT.
  • B
    bsmithSep 2, 2025
    What to do if my Sony MZ-R90 has a lot of static?
    • M
      Michael HoffmanSep 2, 2025
      If the sound from your Sony CD Player has a lot of static, it might be due to strong magnetism from a nearby television or similar device interfering with its operation. Try moving the recorder away from the source of the strong magnetism.
  • E
    Erin NelsonSep 5, 2025
    Why is MD not playing from the first track on my Sony CD Player?
    • D
      Dana BeckSep 5, 2025
      If your Sony CD Player isn't playing an MD from the first track, it might be because the disc playing stopped before it reached the last track. Flip the jog lever or open and close the lid to go back to the beginning of the disc, and restart playing after checking the track number in the display.
  • D
    Debra ParkSep 8, 2025
    How to find track marks on Sony CD Player?
    • R
      Robert MontesSep 8, 2025
      If you cannot find the track marks on your Sony CD Player, make sure to press X before flipping the jog lever or pressing . or >.
  • M
    Mr. Wesley SilvaSep 12, 2025
    Why VOL +/– or DIGITAL MEGA BASS does not work on Sony MZ-R90?
    • J
      Joshua ColeSep 12, 2025
      If the VOL +/– or DIGITAL MEGA BASS functions aren't working on your Sony CD Player, check if the “AUDIO OUT” parameter is set to “LINE OUT”. If so, set it to “HeadPhone”.
  • V
    Victor ClarkNov 14, 2025
    Why is my Sony MZ-R90 CD Player recorder not working properly?
    • M
      Mr. Aaron CharlesNov 15, 2025
      If your Sony CD Player recorder isn't functioning correctly, there might be several reasons: * The audio sources might not be properly connected. Try disconnecting and reconnecting them. * The HOLD function could be activated. Deactivate it by sliding the HOLD switch in the opposite direction of the arrow. * Moisture might have accumulated inside. Remove the MD and let the recorder sit in a warm area for a few hours to allow the moisture to evaporate. * The rechargeable or dry battery could be low. Try charging the rechargeable battery or replacing the dry battery. * The battery might be inserted incorrectly. Ensure it's properly inserted. * You may have pressed a button while the disc indication was rotating quickly. Wait until the indication rotates slowly. * The analog re...

Summary

Safety and Warning Information

Electrical, Fire, and Laser Safety

Safety precautions regarding electrical hazards, fire risks, moisture exposure, and laser radiation.

Product Features and Capabilities

Advanced Recording Functions

Details features like synchro-recording, digital REC level control, and shock-resistant memory.

Initiating MD Recording

Inserting the MD and Starting Recording

Steps for inserting the MD and initiating the recording process.

Synchro-Recording Setup

Enabling and Starting Synchro-Recording

Steps to enable, prepare, and start recording in sync with a source player.

Joint Text CD Data Copying

Prerequisites for Joint Text Copying

Required equipment and cables for copying CD text information.

Copying Track and Disc Names

Step-by-step instructions to copy track and disc names from CDs using the Joint Text function.

Finalizing Joint Text Copying

Joint Text Functionality Notes

Important considerations regarding CD-TEXT compatibility, cable usage, and playback interruptions.

Remote Control Display and Control Lock

Using the HOLD Function

How to lock and unlock the recorder and remote controls to prevent accidental operation.

MD Editing: Track and Disc Erasure

Erasing Individual Tracks

Detailed steps and warnings for erasing a single track from an MD.

Erasing the Entire MD Disc

Instructions and precautions for erasing all data on an MD disc.

MD Editing: Track Marks

Erasing Unnecessary Track Marks

Steps to erase track marks and combine adjacent tracks, including associated data removal.

Power Sources and Battery Management

Charging the Rechargeable Battery

Detailed steps for initial charging of the NH-14WM battery, including notes and warnings.

Important Precautions and Care

General Safety Guidelines

Safety warnings related to power jacks, adapters, and unplugging.

Environmental and Usage Precautions

Guidelines on heat build-up, installation environment, and headphone usage.

MiniDisc Cartridge Care and Cleaning

Proper handling, storage, and cleaning instructions for MD cartridges and the recorder.

Battery Safety and Digital Recording Notes

Digital Copying Limitations (SCMS)

Explanation of Serial Copy Management System restrictions on digital copying.

Troubleshooting Recorder Issues

Recorder Not Working or Performing Poorly

Comprehensive troubleshooting steps for common operational problems.

Lid Opening Problems and Power Loss

Solutions for the lid not opening and issues related to power interruptions during operation.

Troubleshooting Playback and Feature Issues

Audio Playback Problems

Solutions for no sound, playback starting issues, skipping, and static.

Feature Malfunction Troubleshooting

Resolving issues with track marks, battery charging, clock, CD text, and audio controls.

System Limitations and Recording Behavior

TR FULL Error Explanation

Reasons for the "TR FULL" message, relating to track count and fragmentation.

Error Message Reference

Common Error Messages and Solutions

Explains the meaning and remedies for various error messages displayed by the recorder.

Additional Error Messages

Operational Error Messages

Explains the meaning and remedies for additional operational error messages.

Final Error Messages

Phrase Bank and Data Errors

Explains the meaning and remedies for EMPTY and BANK FULL error messages.

Technical Specifications

System and Audio Specifications

Details on audio system, laser properties, recording/playback times, and error correction.

Connectivity and Power Requirements

Specifications for inputs, outputs, power sources, and dimensions.

MD Technology and Compatibility

Understanding MiniDisc Types

Explanation of how MiniDisc technology works, differentiating between premastered and recordable discs.

Recorder Control Layout

Recorder Controls Identification

Identifies and lists the function and page references for each button and jack on the recorder.

Recorder Display Window Elements

Display Indicators and Information

Explains the meaning and function of each indicator and display element on the recorder.

Headphones with Remote Control

Remote Control Operation and Parts

Identifies the parts of the remote control and explains their functions.

Sony MZ-R90 Specifications

General IconGeneral
Sampling Frequency44.1kHz
Digital InputOptical
TypeMiniDisc Recorder/Player
FormatsMiniDisc
Recording FormatATRAC
Recording ModesSP
Frequency Response20Hz - 20kHz
Signal-to-Noise Ratio90 dB
Power SourceAA battery (optional)
Headphone Output3.5mm stereo mini jack
Microphone Input3.5mm stereo mini jack
Line Input3.5mm stereo mini jack
Recording TimeUp to 80 minutes (SP mode)

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