Marantz CD4000/N2B User Manual

Service
Manual
Please use this service manual with referring to the user guide (D.F.U) without fail.
272W855010 AO
3120 785 00040
First Issue:1999.06
CD4000/N1B, /K1B
/N2B, /K2B
CD Player
- CD4000 -
TABLE OF CONTENTS
Technical Specification................................................................................................. 2-1
Safety Instructions ....................................................................................................... 3-1
Mechanical Instructions ............................................................................................... 4-1
Service Tools................................................................................................................ 5-1
Service Test Program................................................................................................... 5-2
Wiring Diagram ............................................................................................................ 6-1
Circuit Diagram AF Board / Supply Part....................................................................... 7-1
Component Layout AF Board....................................................................................... 7-2
Circuit Diagram AF Board / DAC Part .......................................................................... 7-3
Component Layout AF Board....................................................................................... 7-4
Circuit Diagram Front Board ........................................................................................ 7-5
Component Layout Front Board................................................................................... 7-6
Circuit Diagram Headphone Board .............................................................................. 7-6
Component Layout Headphone Board ........................................................................ 7-6
Circuit Diagram CD Board ........................................................................................... 7-7
Component Layout CD Board ...................................................................................... 7-8
Fault Finding Tree CD .................................................................................................. 7-9
Exploded View of Set ................................................................................................. 10-1
Exploded View CD Short Loader ............................................................................... 10-2
Electrical Partslist ....................................................................................................... 10-3
CD4000

Marantz CD4000/N2B Specifications

General

Type	CD Player
Disc formats	CD, CD-R, CD-RW
Frequency Response	20 Hz - 20 kHz
Signal-to-Noise Ratio	100 dB
Output Level/Voltage	2.0 V
Digital Outputs	Coaxial
Dynamic range	96 dB
Channel Separation	98 dB

Summary

Shock, Fire Hazard Service Test

ESD Precautions

ESD Warning and Handling

Warns about the susceptibility of semiconductors to ESD and proper handling.

ESD Protection Equipment

Lists available equipment for electrostatic discharge protection.

JIG for FR980

Safety Guidelines

Safety Regulations and Components

Outlines safety regulations, use of identical parts, and safety component marking.

Laser Radiation Hazard

Handling Chip Components

General Handling Guidelines

Basic principles for handling sensitive chip components.

Dismounting Chip Components

Methods and precautions for removing chip components.

Mounting Chip Components

Methods and precautions for installing chip components.

Chip Component Precautions

Specific precautions to ensure proper handling of chip components.

Service Test Program

Key Test Procedure

Instructions for testing the functionality of all front panel keys.

Display Test Procedure

Quartz Test Procedure

CD Test Procedure

Steps for testing basic CD playback functions.

CD Play Test Procedure

Method for continuous CD playback testing to detect intermittent faults.

Service Test Program - CD Part

Motor Test Procedures

Tests related to the disc and slide motors' operation.

Disc Motor Test

Specific tests for the disc motor's functionality.

Slide Motor Test

Specific tests for the slide motor's functionality.

Focus Servo Test

Procedure for testing the focus servo system's performance.

Disc Servo Test

Procedure for testing the disc servo system's performance.

Radial Servo Test

Procedure for testing the radial servo system's performance.

Wiring Diagram

CD-BOARD (ECO-SL Mk3)

CD R/W Front End and Servo Systems

Details of the CD R/W front end and servo driver ICs.

Motor Control, Loader, and Microprocessor Interface

Information on motor drivers, disc loading, and microprocessor interface.

Control Logic, Audio Data, and Subcode

Details on control sections, audio serial data, and subcode processing.

Special Interfaces and Test Points

Warning Information

Electrical Partslist CD Board

CD Board Capacitors

CD Board Resistors

Electrical Partslist CD Board (Cont.)

Electrical Partslist AF Board

AF Board Capacitors

AF Board Resistors

Electrical Partslist Front Board

Front Board Resistors

Front Board Capacitors