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Sony MZ-1 - Service Manual

Sony MZ-1
51 pages
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Summary

Sony MiniDisc MZ-1 General Information and Operation

Looking at the Controls

Identifies and explains the buttons and controls of the MiniDisc recorder.

Setting Up the MiniDisc Recorder

Guides through unpacking and initial setup of the device and accessories.

Choosing and Managing Power Sources

Details options for powering the recorder, including AC, battery, and charging.

Connecting to Audio Systems

Explains how to connect the MiniDisc recorder to digital or analog stereo systems.

Setting the Clock Function

Instructions for setting the device's internal clock for date stamping.

Playing a MiniDisc (MD)

Covers basic playback operations, track selection, and volume adjustment.

Recording to a MiniDisc

Procedures for connecting sound sources and recording audio onto MiniDiscs.

Useful Tips and Precautions

Provides helpful advice, safety warnings, and operational guidelines.

SECTION 2. DISASSEMBLY

Upper Panel and Bottom Panel Disassembly

Step-by-step guide to removing the top and bottom casings.

Control Board Removal

Instructions for detaching the control circuit board.

Main Board and Battery Case Removal

Procedures for removing the main circuit board and battery compartment.

Eject Shutter Disassembly

Details on how to remove the eject shutter mechanism.

Mechanical Deck Disassembly

Steps for removing the main mechanical drive deck.

Optical Pickup Block Removal

Guide to detaching the optical pickup assembly.

Holder Assy and Main Slider Assy Disassembly

Instructions for removing the holder and main slider assemblies.

Sled Motor and Loading Motor Removal

Procedures for removing the sled and loading motors.

Spindle Motor Removal

Steps for detaching the spindle motor.

SECTION 3. PIN FUNCTION

IC601 EFM;ACIR Encoder;Decoder Pin Functions

Lists pin names, I/O, and functions for the CXD2525R IC.

IC602 Shock Proof Memory Controller Pin Functions

Lists pin names, I/O, and functions for the CXD2526Q IC.

SECTION 4. TEST MODE

Operating in Test Mode

Explains how to activate and use the device's test mode.

Checking Cassette Compartment Loading

Procedures for verifying the loading mechanism's operation.

Checking Servo System Performance

Steps to check laser emission, focus, and tracking servo systems.

Optical Pickup Movement Tests

Tests for optical pickup movement and tracking.

Switching Laser Power Levels

Instructions on how to change laser power modes for testing.

Confirming Recording Error Rates

Procedures to check error rates during data recording.

SECTION 5. ELECTRICAL ADJUSTMENTS

Temperature and MO Write Power Adjustments

Calibrating temperature compensation and MO disc write power.

Focus Offset, Bias, and CD Read Power Adjustments

Calibrating focus offset, bias, and CD playback laser power.

Focus Gain and Tracking Gain Adjustments

Fine-tuning focus and tracking gain for disc performance.

SECTION 6. DIAGRAMS

Block Diagram Overview

Shows the overall system architecture and component connections.

Circuit Board Layouts

Illustrates the physical arrangement of circuit boards within the unit.

Integrated Circuit Block Diagrams

Detailed internal block diagrams for key ICs.

SECTION 7. EXPLODED VIEWS

Upper Panel and Bottom Panel Exploded View

Detailed parts breakdown of the top and bottom chassis components.

Chassis Section Exploded View

Exploded diagram of the main chassis and related parts.

Mechanism Section 1 Exploded View

Detailed parts breakdown of the disc mechanism (Part 1).

Mechanism Section 2 Exploded View

Detailed parts breakdown of the disc mechanism (Part 2).

Summary

Sony MiniDisc MZ-1 General Information and Operation

Looking at the Controls

Identifies and explains the buttons and controls of the MiniDisc recorder.

Setting Up the MiniDisc Recorder

Guides through unpacking and initial setup of the device and accessories.

Choosing and Managing Power Sources

Details options for powering the recorder, including AC, battery, and charging.

Connecting to Audio Systems

Explains how to connect the MiniDisc recorder to digital or analog stereo systems.

Setting the Clock Function

Instructions for setting the device's internal clock for date stamping.

Playing a MiniDisc (MD)

Covers basic playback operations, track selection, and volume adjustment.

Recording to a MiniDisc

Procedures for connecting sound sources and recording audio onto MiniDiscs.

Useful Tips and Precautions

Provides helpful advice, safety warnings, and operational guidelines.

SECTION 2. DISASSEMBLY

Upper Panel and Bottom Panel Disassembly

Step-by-step guide to removing the top and bottom casings.

Control Board Removal

Instructions for detaching the control circuit board.

Main Board and Battery Case Removal

Procedures for removing the main circuit board and battery compartment.

Eject Shutter Disassembly

Details on how to remove the eject shutter mechanism.

Mechanical Deck Disassembly

Steps for removing the main mechanical drive deck.

Optical Pickup Block Removal

Guide to detaching the optical pickup assembly.

Holder Assy and Main Slider Assy Disassembly

Instructions for removing the holder and main slider assemblies.

Sled Motor and Loading Motor Removal

Procedures for removing the sled and loading motors.

Spindle Motor Removal

Steps for detaching the spindle motor.

SECTION 3. PIN FUNCTION

IC601 EFM;ACIR Encoder;Decoder Pin Functions

Lists pin names, I/O, and functions for the CXD2525R IC.

IC602 Shock Proof Memory Controller Pin Functions

Lists pin names, I/O, and functions for the CXD2526Q IC.

SECTION 4. TEST MODE

Operating in Test Mode

Explains how to activate and use the device's test mode.

Checking Cassette Compartment Loading

Procedures for verifying the loading mechanism's operation.

Checking Servo System Performance

Steps to check laser emission, focus, and tracking servo systems.

Optical Pickup Movement Tests

Tests for optical pickup movement and tracking.

Switching Laser Power Levels

Instructions on how to change laser power modes for testing.

Confirming Recording Error Rates

Procedures to check error rates during data recording.

SECTION 5. ELECTRICAL ADJUSTMENTS

Temperature and MO Write Power Adjustments

Calibrating temperature compensation and MO disc write power.

Focus Offset, Bias, and CD Read Power Adjustments

Calibrating focus offset, bias, and CD playback laser power.

Focus Gain and Tracking Gain Adjustments

Fine-tuning focus and tracking gain for disc performance.

SECTION 6. DIAGRAMS

Block Diagram Overview

Shows the overall system architecture and component connections.

Circuit Board Layouts

Illustrates the physical arrangement of circuit boards within the unit.

Integrated Circuit Block Diagrams

Detailed internal block diagrams for key ICs.

SECTION 7. EXPLODED VIEWS

Upper Panel and Bottom Panel Exploded View

Detailed parts breakdown of the top and bottom chassis components.

Chassis Section Exploded View

Exploded diagram of the main chassis and related parts.

Mechanism Section 1 Exploded View

Detailed parts breakdown of the disc mechanism (Part 1).

Mechanism Section 2 Exploded View

Detailed parts breakdown of the disc mechanism (Part 2).

Sony MZ-1 Specifications

General IconGeneral
TypeMinidisc Recorder
Release Year1992
Recording FormatATRAC
Media TypeMinidisc
Sampling Frequency44.1 kHz
ChannelsStereo
Frequency Response20 Hz - 20 kHz
Signal-to-Noise Ratio90 dB
Headphone OutputYes
Optical InputYes
Analog InputYes
Power SupplyAA Batteries / AC Adapter
OutputHeadphones, Line out
Playback Time74 minutes (with 74-minute disc)

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