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Marantz CD-67 Service Manual

Marantz CD-67
19 pages
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Marantz CD-67 Specifications

General IconGeneral
TypeCD Player
Dynamic Range96dB
Channel Separation100dB
Line Output2.0V RMS
Digital OutputsCoaxial, Optical
Disc FormatCD
Digital Converter1-bit DAC
CD MechanismCDM12.1

Summary

Service Manual Overview

Marantz Design and Service Philosophy

Marantz Parts Ordering Procedure

Details the procedure and required information for ordering Marantz replacement parts.

Technical Specifications

Audio Performance Specifications

Specifies audio performance parameters such as channels, sampling frequency, and output levels.

Optical Readout System Details

Details the optical system, including laser type and wavelength.

Frequency Response and Dynamic Range

Provides frequency range, dynamic range, S/N ratio, and distortion.

Power Supply Specifications

Specifies power supply voltage and power consumption for different models.

Cabinet and Operating Parameters

Details physical dimensions, net weight, operating temperature, and humidity.

Included Accessories

Lists accessories provided with the unit, such as remote control and batteries.

Laser Safety Precautions

Warns about invisible laser radiation and advises avoiding exposure when the unit is open.

Service Mode Operations

Entering Service Mode

Describes the key combinations required to enter the service mode.

Service Mode Functions and Navigation

Explains the functions of different service modes (0-3) and key operations within them.

Error Code Reference

Lists potential error codes detected during operation and their corresponding meanings.

Exiting Service Mode

Details the procedure for cancelling the service mode.

Microprocessor and IC Data

MN187164 Microprocessor Pinout

Provides a detailed pinout diagram and function description for the MN187164 microprocessor.

System Block Diagram

Illustrates the main functional blocks and their interconnections within the CD player.

SAA7372GP Digital Decoding IC Details

SAA7372GP Pin Descriptions

Details the function of each pin for the SAA7372GP digital decoding IC with RAM.

System Block Diagram and Key ICs

Overall System Block Diagram

Presents the overall block diagram of the CD player's functional modules.

SM5872BS IC Pinout and Function

Provides pinout and function details for the SM5872BS digital filter and D/A converter IC.

Schematic Diagrams and Parts Layout

Main PCB Component Layout

Illustrates the component placement and routing on the main printed circuit board.

Servo PCB Component Layout

Illustrates the component placement and routing on the servo printed circuit board.

Circuit Diagrams and DC Voltage Checks

Power Audio/Digital PCB Circuitry

Presents the detailed circuit schematic for the power audio and digital sections of the player.

Servo PCB Circuitry

Presents the detailed circuit schematic for the servo control section.

DC Voltage Measurement Points

Provides DC voltage measurements for key points on the MN187164 microprocessor.

Front PCB and Signal Waveform Analysis

Front PCB Schematic Diagram

Details the circuit and connections for the front panel controls and display.

QF02 PS94D IC Details

Details the function and pinout for the QF02 PS94D IC.

Signal Waveform Examples for Troubleshooting

Illustrates common signal waveforms for various service positions and modes.

Power Supply and Transformer Specifications

Transformer Variations and Voltage Selector

Details transformer specifications for different versions and the voltage selector mechanism.

Power Supply Circuit Diagrams

Presents the circuit diagrams for the main power supply and voltage regulation.

General Safety Precautions for Servicing

Provides safety notes regarding electrical shock hazards and component substitution.

Audio Amplifier Circuits and Power Supply Monitoring

Audio Amplifier Circuit Schematics

Presents the circuit diagrams for the audio amplifier and output stages.

Power Supply Voltage Checkpoints

Details voltage checks for various power supply rails across different model versions.

Signal Waveforms and Safety Reminders

Illustrates signal waveforms and reiterates safety precautions for servicing.

Front and Headphone PCB Schematics

Front PCB Component Layout and Connections

Illustrates the component layout and connections on the front PCB.

Headphone PCB Circuit Diagram

Presents the circuit diagram for the headphone output stage.

Signal Waveforms and Safety Guidelines

Illustrates signal waveforms and reiterates safety precautions for servicing.

Exploded Views and Parts Identification

CD Mechanism Exploded View

Provides an exploded view of the CD mechanism assembly.

Chassis and Enclosure Exploded View

Provides an exploded view of the main chassis and enclosure components.

Parts List and Voltage Conversion Procedure

Comprehensive Parts List Details

Lists specific part numbers, colors, descriptions, and European/other region part numbers.

Voltage Conversion Instructions

Details how to convert the unit to a different power source voltage.

Electrical Parts List and Safety Information

Resistor Coding System Explained

Explains the coding system for common fixed and fusible resistors.

Capacitor Coding System Explained

Explains the coding system for common ceramic and electrolytic capacitors.

Common Abbreviations and Marks

Provides a list of common abbreviations and marks used throughout the service manual.

Safety Precautions for Component Replacement

Warns about fire or electrical shock hazards and the importance of using original parts.

Component Lists for Specific PCBs

P116 Miscellaneous Components

Lists miscellaneous parts such as fuses, switches, and crystals for the P116 PCB.

P126 Capacitors and Semiconductors

Details capacitors and semiconductors used on the P126 PCB.

P136 Circuit Board Components

Lists components and parts for the P136 circuit board.

Detailed Component Lists for PCBs

P116 Common Capacitors

Lists common electrolytic and film capacitors used on the P116 PCB.

P116 Semiconductors

Lists semiconductors such as diodes and ICs used on the P116 PCB.

P136 Capacitors List

Details ceramic and film capacitors used on the P136 PCB.

P136 Semiconductors List

Lists semiconductors such as diodes and ICs used on the P136 PCB.

PY16 Front Circuit Board Components

PY16 Capacitors

Lists ceramic capacitors used on the PY16 front circuit board.

PY16 Semiconductors

Lists diodes used on the PY16 front circuit board.

PY16 Common Resistors

Details common resistors used on the PY16 front circuit board.

PY16 Miscellaneous Components

Lists push switches and display units for the PY16 front circuit board.

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