Marantz PM6004/N1SG User Manual

Service
Manual
•
Some illustrations using in this service manual are slightly different from the actual set.
•
Please use this service manual with referring to the operating instructions without fail.
•
For purposes of improvement, specications and design are subject to change without notice.
Integrated Amplier
PM6004 /
N1SG
/
N1B
/
K1B
/
U1B
PM6004
S0314-0V01DM/DG1108
Copyright 2011 D&M Holdings Inc. All rights reserved.
WARNING: Violators will be prosecuted to the maximum extent possible.
Ver. 1

Marantz PM6004/N1SG Specifications

General

Power Output (8 Ohms)	45 W
Total Harmonic Distortion (THD)	0.08%
Signal-to-Noise Ratio	100 dB
Input Sensitivity (High level)	200 mV
Input Sensitivity (MM)	2.5 mV
Phono Input	Yes
Dimensions	440 x 370 x 105 mm
Damping Factor	100
Speaker Impedance	4 - 16 Ω
Input Impedance (MM)	47 kΩ
Power Output (4 Ohms)	60W
Input Impedance (High level)	47 kOhm

Summary

Product Overview and Safety Information

Safety Precautions and Hazard Warnings

General safety guidelines and hazards during servicing and operation.

Detailed Safety Precautions

Electrical Safety Checks

Procedures for checking electrical safety parameters like leakage current.

Safe Servicing Practices

Cautions for disassembly, assembly, and using designated parts.

Identification of Critical Safety Parts

How to identify and use critical safety components.

Documentation Notes

Schematic Diagram Interpretation Notes

Guidelines for interpreting schematic diagrams and critical parts.

Parts List Ordering and Conventions

Instructions for ordering parts and understanding parts list conventions.

Technical Specifications and Dimensions

Performance Specifications Summary

Detailed technical specifications including power, distortion, and frequency response.

Physical Dimensions and Power Details

Unit dimensions, weight, and power consumption details.

Servicing Initialization

Integrated Amplifier Initialization

Procedure for initializing the integrated amplifier after component replacement.

Disassembly Guide

Front Panel Assembly Disassembly

Outline for disassembling the front panel.

Main and Volume PWB Unit Disassembly

Outline for disassembling the main and volume PWB unit.

Power Transformer and Sub-Transformer Removal

Outline for removing the power and sub-transformers.

Front Panel Disassembly

Front Panel Screw Removal

Steps for removing screws from the front panel assembly.

Front Panel Disassembly

Additional Screw Removal Steps

Further steps for removing screws from the front panel.

Wire Clamp Band Cutting

Procedure for cutting wire clamp bands.

Front Panel Disassembly

Disconnecting Connectors and Removing Screws

Instructions for disconnecting connectors and removing screws.

Main and Volume PWB Unit Disassembly

Knob Pointer and Screw Removal

Detaching knob pointers and removing screws for the PWB unit.

Wire Band Cutting and Connector Disconnection

Cutting wire bands and disconnecting connectors on the PWB unit.

Transformer Removal Procedures

Power Transformer Disassembly

Steps to disconnect wires and remove screws for the power transformer.

Sub-Transformer Disassembly

Steps to remove screws and disconnect wires for the sub-transformer.

Microprocessor Replacement and Software Update

Required Equipment for Software Update

List of necessary hardware and software for the update procedure.

Firmware Writing Procedure

General steps for writing firmware to the microprocessor.

Microprocessor Software Update - Tool Operation

Accessing Software Files

Navigating to the software folder containing the programming tool.

Launching the Programming Application

Executing the FlashProg.exe application.

Microprocessor Software Update - Configuration

Device Configuration Settings

Setting up device parameters in the programming software.

Applying Device Settings

Confirming and applying the selected device settings.

Microprocessor Software Update - File Selection

Selecting the Firmware Object File

Choosing the firmware file to be written to the device.

Microprocessor Software Update - File and Communication Setup

File Format and Data Selection

Selecting the correct file type and the firmware data file.

Communication Parameter Configuration

Setting up communication parameters for the programmer.

Microprocessor Software Update - Port Settings

COM Port and Data Rate Configuration

Configuring the serial port and data transfer speed.

Creating Programming Tool Configuration Files

Generating configuration files for the programming tool.

Microprocessor Software Update - Programmer Interface

Launching the Flash Programmer

Opening the main interface of the flash programming software.

Locating the Setup File

Locating the setup file within the file system.

Microprocessor Software Update - Setup Confirmation

Verifying Setup File Selection

Verifying the selected setup file before proceeding.

Microprocessor Software Update - Connection and Password Access

Unit Connection and Power-Up

Establishing connection and powering the unit for programming.

Accessing Password Settings

Navigating to the password configuration screen.

Microprocessor Software Update - Password Configuration

Password Entry Interface

Screen for entering device and object file passwords.

Microprocessor Software Update - Blank Device Programming

Configuration for Blank Microprocessor Programming

Settings for writing software to an unprogrammed microprocessor.

Microprocessor Software Update - Existing Device Update

Configuration for Existing Microprocessor Update

Settings for updating software on an already programmed microprocessor.

Microprocessor Software Update - Auto Programming

Auto Programming Interface Overview

The main window for initiating the automatic programming process.

Microprocessor Software Update - Programming Options

Setting Flash Memory Programming Options

Selecting options like erase, program, verify, and compare.

Microprocessor Software Update - Execution and Results

Executing Flash Memory Programming

The actual writing of data to the microprocessor.

Programming Success Confirmation

Notification upon successful completion of the programming task.

Microprocessor Software Update - Process Control

Cancelling Programming Operations

Options to cancel the programming or auto-programming processes.

Microprocessor Software Update - Final Steps

Exiting the Flash Programmer

Closing the flash programming application.

Post-Programming Disconnection and Checks

Steps to power off and disconnect the unit after programming.

Service Mode Operations

Microprocessor Version Check

How to check the microprocessor firmware version using front panel LEDs.

Adjustment Procedures

Idling Current Alignment

Step-by-step guide for adjusting the amplifier's idling current.

Adjustment Procedures

DC Offset Voltage Adjustment

Procedure to adjust the DC offset voltage for both left and right channels.

Troubleshooting Guide

Power-On Issues: Standby LED Off

Diagnosing problems when the unit does not power on and the standby LED is off.

Power-On Issues: Standby LED Flashing

Troubleshooting power-on problems when the standby LED flashes.

Troubleshooting Guide

Standby LED Flashing During Operation

Diagnosing protection circuit activation indicated by a flashing standby LED.

No Sound Output Troubleshooting

Steps to resolve issues where no sound is produced by the amplifier.

System Block Diagrams

Overall PM6004 Block Diagram

A comprehensive block diagram of the PM6004 amplifier's functional sections.

System Block Diagrams

Power Supply Block Diagram

Detailed block diagram illustrating the power supply circuitry.

Signal Level Diagram

Audio Signal Path and Levels

Diagram showing signal flow and gain levels across different blocks.

Printed Wiring Board Layouts

Front PWB Layouts

Views of the front printed circuit board, showing component and foil sides.

Printed Wiring Board Layouts

Volume PWB Layouts

Views of the volume PWB, showing component and foil sides.

Standby PWB Layouts

Views of the standby PWB, showing component and foil sides.

Printed Wiring Board Layouts

Power SW and Headphone PWB Layouts

Component and foil views of power switch and headphone PWBs.

Posister PWB Layouts

Component and foil views of the posister printed circuit board.

Printed Wiring Board Layouts

Main PWB Component Side Layout

Component layout view of the main printed circuit board.

Printed Wiring Board Layouts

Main PWB Foil Side Layout

Foil (solder) side layout view of the main printed circuit board.

Schematic Diagrams

Main Unit Schematics

Detailed electrical schematics for the main functional unit.

Schematic Diagrams

Front Unit Schematics

Detailed electrical schematics for the front panel unit.

Schematic Diagrams

Support Unit Schematics

Electrical schematics for various support circuit boards.

Wiring Diagram

Internal Unit Wiring Connections

Diagram illustrating internal wiring and connector pinouts.

Exploded View and Assembly Guide

Component Identification and Assembly

Visual guide to component parts and their assembly arrangement.

Parts Lists

Parts List for Exploded View

Comprehensive list of parts corresponding to the exploded view.

Parts Lists

Exploded View Parts List (Continued)

Continuation of the parts list for the exploded view.

Packing and Accessories Information

Packing View Diagram

Visual representation of product packaging.

Packing and Accessory Parts List

List of items included in the product packaging.

Packing and Accessories Information

Packing and Accessory Parts List (Continued)

Continuation of the list for packing and accessories.

Semiconductor Component Details

Microprocessor (U1001) Pinout and Block Diagram

Detailed pinout and description for the main microprocessor.

Semiconductor Component Details

Microprocessor (U1001) Terminal Functions

Explanation of each pin's function on the microprocessor.

Semiconductor Component Details

IC (U3501) Schematic and Pin Functions

Circuit diagram and pin definitions for the LC78212 IC.

Printed Circuit Board Parts Lists

Main PWB Assembly Parts List

List of components for the main PCB assembly.

Printed Circuit Board Parts Lists

Resistors Group Parts List

Detailed list of resistors used in the unit.

Printed Circuit Board Parts Lists

Capacitors Group Parts List

Detailed list of capacitors used in the unit.

Printed Circuit Board Parts Lists

Miscellaneous Components List (Connectors, Relays)

List of other components like connectors, relays, etc.

Printed Circuit Board Parts Lists

Miscellaneous Components List (Continued)

Continuation of the miscellaneous component list.

Printed Circuit Board Parts Lists

Front PWB Assembly Parts List

List of components for the front PCB assembly.

Printed Circuit Board Parts Lists

Front PWB Miscellaneous Components List

List of miscellaneous components for the front PWB.

Printed Circuit Board Parts Lists

Front PWB Miscellaneous Components List (Continued)

Further miscellaneous components for the front PWB.