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Marantz CD4000/N1B User Manual

Marantz CD4000/N1B
28 pages
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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
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Marantz CD4000/N1B Specifications

General IconGeneral
TypeCD Player
Output Level2.0 V RMS
DACBitstream
Dynamic Range96 dB
Digital OutputCoaxial

Summary

Marantz Design and Service Philosophy

Ordering Replacement Parts

Instructions and required information for ordering replacement parts.

Technical Specifications

General Specifications

Details dimensions, weight, mains voltage, and power consumption.

Accessory Information

Lists included accessories like instruction manuals and remote controls.

Headphone Output Specifications

Details output level, impedance, and power for headphone jack.

Laser Specifications

Specifies laser output power and wavelength.

Audio Performance Specifications

Lists audio output characteristics like channels, frequency response, and S/N ratio.

RC 5 Command Codes

Lists remote control commands and their corresponding codes for system code 20.

Safety and ESD Precautions

Electrostatic Discharge (ESD) Warnings

Alerts on the susceptibility of ICs and semiconductors to ESD and necessary precautions.

ESD Protection Equipment and Repair Jigs

Lists available tools and kits for ESD protection and specific repair jigs.

Safety Regulations and Component Markings

Outlines safety regulations for repairs and identifies safety components.

Laser Safety Warning

Warns about invisible laser radiation when the unit is open.

Mechanical Disassembly Instructions

Dismantling the Top Cover

Step-by-step guide to remove the top cover, including screw locations.

Mechanical Disassembly Procedures

Dismantling the Front Panel

Instructions for disassembling the front panel and tray mechanism.

CD Short Loader Disassembly

Dismantling the CD Tray

Details on how to remove the CD tray, including using a screwdriver and releasing snaps.

Gear Assembly Procedure

Gear Assembly Steps

Step-by-step guide for assembling gears using pins and plastic washers.

Tray Mechanism Operation Check

Instructions to verify the correct operation of the tray mechanism after assembly.

Handling Chip Components

General Chip Component Handling

Basic principles for handling chip components on PCBs.

Chip Component Dismounting and Mounting Techniques

Techniques and precautions for safely removing and installing chip components.

Service Tools List

Service Test Program Overview

Key Test Procedure

Steps for testing individual buttons and their corresponding display outputs.

Display Test Procedure

Steps for testing the display output based on button presses.

Quartz Test Procedure

Procedure for testing the quartz oscillator and related outputs.

CD Test Procedure

Steps for conducting general CD tests.

CD Play Test Procedure

Procedure for continuous disc playback testing to detect intermittent failures.

CD Part Service Test Program Details

CD Part IC Pin Abbreviations

Explains pin names and directions for the SAA7372 decoder and digital servo IC.

CD Part Test Procedures Flowcharts

Flowcharts for testing motor, slide, focus, disc, and radial servo functions.

Wiring Diagram

AF Board and Power Supply Schematics

AF Board Component Layout

AF Board DAC Part Schematics

AF Board Component Layout (Part 2)

Front Board Schematics

Front Board Component Layout

Headphone Board Schematics and Layout

CD Drive (VAM 1201) Board Schematics

CD Short Loader Component Layout

CDM Mechanism Replacement Warnings

CDM Mechanism Replacement Procedure

Step-by-step guide for safely replacing the CD Mechanism (CDM).

Troubleshooting Flowchart

Exploded View of the Complete Set

Mechanical Parts List (Set)

List of mechanical parts for the entire unit with part numbers.

Exploded View of CD Short Loader

Mechanical Parts List (CD Short Loader)

List of mechanical parts for the CD short loader mechanism.

Electrical Parts List (CD Board)

CD Board Component Details

Lists miscellaneous parts, capacitors, resistors, coils, diodes, transistors, and ICs for the CD board.

Electrical Parts List (Headphone Board)

Headphone Board Component Details

Lists components for the headphone board: misc, capacitors, resistors, and ICs.

Electrical Parts List (AF Board)

AF Board Component Details

Lists components for the AF board: misc, capacitors, resistors, coils, diodes, transistors, and ICs.

Electrical Parts List (Front Board)

Front Board Component Details

Lists components for the front board: misc, resistors, capacitors, coils, diodes, transistors, and ICs.

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