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Denon DRA-N5 User Manual

Denon DRA-N5
73 pages
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D&M Holdings Inc.
SERVICE MANUAL
e
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Copyright 2012 D&M Holdings Inc. All rights reserved.
WARNING: Violators will be prosecuted to the maximum extent possible.
MODEL JP E3 E2 E1 E1C EA E2R EUT
DRA-N5
P P P
NETWORK RECEIVER
Ver. 3
S0604-1V03DM/DG1212
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.
• The part list can be found in a separate le.See the part list in Excel format.
Please refer to the
MODIFICATION NOTICE.
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Do you have a question about the Denon DRA-N5 and is the answer not in the manual?

Denon DRA-N5 Specifications

General IconGeneral
Remotely operatedYes
Security algorithmsWPS
Supported radio bandsFM, VHF
Built-in storage mediaNo
Audio formats supportedAAC, FLAC, MP3, WAV, WMA
Internet radio services supportediDevice, iTunes
Network streaming services supported-
Product colorWhite
Wi-Fi standards802.11b, 802.11g
Digital audio optical out1
Apple docking compatibilityiPhone, iPod
AC input voltage230 V
AC input frequency50 Hz
Power consumption (typical)50 W
Weight and Dimensions IconWeight and Dimensions
Depth234 mm
Width120 mm
Height90 mm
Weight2300 g

Summary

Denon Service Manual Overview

Service Manual Model Information

Specifies the model number and type of equipment serviced.

Network Receiver Product Type

Identifies the type of equipment serviced as a network receiver.

About This Service Manual

Manual Usage and Navigation

Explains how to use the search function in Acrobat Reader for efficient navigation.

Search for Reference Numbers

Details how to use the Ctrl+Shift+F shortcut to search for reference numbers.

Navigate Schematic Connectors

Guides users on clicking connectors in schematic diagrams to jump to their targets.

Adobe Reader Usage Guide

Adding Notes to Documents

Describes how to use the Sign function in Adobe Reader to add notes.

Magnifying Diagrams with Ctrl+Space

Explains how to magnify diagrams using Ctrl+Space and mouse drag.

Printing Magnified Manual Sections

Details steps and settings for printing magnified manual sections.

Safety Precautions for Servicing

Leakage Current Check Procedure

Instructions for checking leakage current before returning the set to the customer.

General Servicing Cautions

General cautions and instructions to be followed during servicing and inspection.

Important Safety Parts Identification

Highlights the importance of using designated parts with special safety properties.

Notes for Schematic Diagrams

Critical Characteristic Parts Warning

Warns about parts indicated by a mark having critical characteristics.

Pre-Return Checks Caution

Recommends leakage current and resistance checks before set return.

Circuit Change Notice

Provides notices regarding resistance, capacitance values, and circuit changes.

Notes for Parts List

Non-Suppliable Parts (nsp)

States that parts marked 'nsp' cannot be supplied.

Part Ordering Clarity

Advises to distinguish between '1' and 'I' when ordering parts.

Part Number Specification

States parts ordered without a number cannot be supplied.

Parts Not Illustrated

Notes parts with a '' mark are not illustrated in the exploded view.

Carbon Film Resistor Reference

Refers to schematic for general purpose Carbon Film Resistors.

Carbon Chip Resistor Reference

Refers to schematic for general purpose Carbon Chip Resistors.

Critical Parts Marking Warning

Warns about parts with a mark having critical characteristics.

Handling Semiconductors and Optical Units

Human Body Grounding

Recommends wearing a grounding band (1 MΩ) to remove static electricity.

Workbench Grounding

Advises using a conductive sheet or copper plate with grounding for the workbench.

Technical Specifications

Audio Amplifier Specifications

Details specifications for the audio amplifier section.

Wireless LAN (E2) Specifications

Lists technical specifications for Wireless LAN (E2) compliance.

Wireless LAN (E3) Specifications

Lists technical specifications for Wireless LAN (E3) compliance.

Clock and Alarm Features

Specifies clock and alarm features.

Power Supply Details

Details power supply voltage, frequency, and consumption.

Unit Dimensions

Servicing Precautions and Procedures

WLAN Module Replacement

Instructions for replacing the WLAN module and related procedures.

Network Receiver Initialization

Steps for initializing the network receiver after component replacement.

Disassembly Procedures

Top Cover Disassembly

Procedure for disassembling the top cover.

Main PCB Assembly Disassembly

Procedure for disassembling the main PCB assembly.

Front Panel Assembly Disassembly

Procedure for disassembling the front panel assembly.

SMPS PCB Assembly Disassembly

Procedure for disassembling the SMPS PCB assembly.

Amplifier PCB Assembly Disassembly

Procedure for disassembling the amplifier PCB assembly.

Photograph Viewpoints for Disassembly

Top View Photograph Direction

Illustrates the different shooting directions for disassembly photographs.

Top Cover Disassembly Steps

Proceeding to Top Cover Removal

Indicates the current step in the disassembly process.

Bottom View for Screw Removal

Shows the bottom view for screw removal.

Photograph A Reference

Identifies the view shown in photograph A for this step.

Main PCB Assembly Disassembly

Disassembly Sequence to Main PCB

Indicates the disassembly sequence leading to the main PCB.

Step 1: Cut Clamp Bands and Remove Screws

Describes the first step in disassembling the main PCB.

Step 2: Remove Screws

Describes the second step in disassembling the main PCB.

Front Panel Assembly Disassembly

Disassembly Sequence to Front Panel

Details the disassembly sequence leading to the front panel.

Bottom View for Front Panel Screws

Shows the bottom view for screw removal during front panel disassembly.

Disconnecting Front Panel Wires

Describes disconnecting wires for USB, WiFi, and headphones.

SMPS PCB Assembly Disassembly

Disassembly Sequence to SMPS PCB

Outlines the disassembly sequence for the SMPS PCB.

Step 1: Remove SMPS Screws

Instruction for removing screws during SMPS PCB disassembly.

Step 2: Remove SMPS Shielding

Instruction for removing the SMPS shielding plate.

Amplifier PCB Assembly Disassembly

Disassembly Sequence to Amplifier PCB

Details the disassembly sequence for the amplifier PCB.

Step 1: Remove Amplifier Screws

Instruction for removing screws during amplifier PCB disassembly.

Step 2: Remove Amplifier Screws (Continued)

Another instruction for removing screws during amplifier PCB disassembly.

Special Mode Operations

Entering Special Modes

Explains how to enter special modes by pressing buttons while plugging in the power cord.

Initialization Mode: Factory Reset

Factory Reset Cautions

Lists cautions regarding clearing version info and protection history.

Factory Reset Startup Display

Describes the display sequence when entering Factory Reset mode.

Default Initialization Settings

Lists default settings for various items upon initialization.

Initialization Mode: User Reset

User Reset Cautions

Notes differences from factory reset (version info, protection history).

User Reset Startup Display

Describes the display sequence for User Reset mode.

Version Display Mode

Explains how to enter and exit the version display mode.

Accessing Version Information

Step-by-step guide on how to access the version information via menus.

Product Mode 1 Operations

Product Mode 1 Startup Display

Describes the startup display for Product Mode 1.

Cooling Fan Test Function

Details the function and settings for cooling fan testing.

Product Mode 2 Operations

Product Mode 2 Startup Display

Describes the startup display for Product Mode 2.

Protection History Display Mode

Protection History Startup Display

Describes the startup display for protection history mode.

DPMS Firmware Update Mode

DPMS Firmware Update Error Codes

Lists error codes and coping strategies for DPMS firmware updates.

Firmware Update Preparation and Checking

Covers preparation and error checking for firmware updates.

Microprocessor Firmware Error Codes

Details error codes related to the main microprocessor during firmware updates.

Update Mode via RS232C

PC Firmware Update Using RS232C

Describes firmware updating via PC using RS232C connection.

MAC Address Rewrite Mode

MAC Address Rewriting Process

Briefly mentions MAC address rewriting for production/development.

Development Server Access Mode

Access for Production/Development

Mentions access to development server mode for production/development.

Cooling Fan Operation

Fan Speed Based on Temperature

Explains cooling fan operation based on temperature sensor readings.

Microprocessor Replacement

Confirmation After Microprocessor Replacement

Details confirmation steps after replacing the microprocessor or Flash ROM.

Types of ROM and Software Implications

Explains ROM types and their software implications.

Firmware Version Upgrade Procedure

WLAN Module Update Requirement

Notes the need for software updates when replacing the WLAN MODULE.

Firmware Update via DPMS

Provides instructions on how to update firmware using DPMS.

Network Connection for Updates

Lists system requirements for network connection for firmware updates.

Update Check and Execution

Guides on checking for and performing firmware updates via DPMS.

Firmware Update Cautions

Lists important cautions to observe during the firmware update process.

Troubleshooting: OLED Display Issues

OLED Display Not Lighting Up

Troubleshooting steps for when the OLED display does not light up.

Check Main µ-com Power Voltages

Checks power supply voltages for the main µ-com.

Check Main µ-com Reset Signal

Checks the reset signal for the main µ-com.

Check Main Board Oscillation Waveform

Checks the oscillation waveform on the main board.

Check OLED Power Supply Voltages

Checks power supply voltages specifically for the OLED.

Check OLED Drive Signals

Checks drive signals for the OLED display.

Troubleshooting: Audio Issues

No Sound or Noise Issues (Common)

Common troubleshooting steps for no sound or noise issues.

Check DIR AMP Board Power Voltages

Checks power supply voltages for the DIR AMP board.

Check PWM Controller Power Voltages

Checks power supply voltages for the PWM controller.

Check Amplifier IC Power Voltages

Checks power supply voltages for the amplifier IC.

Check DIR AMP Reset Signal

Checks the reset signal for the DIR AMP board.

Check PWM Controller Reset Signal

Checks the reset signal for the PWM controller.

Check Amplifier IC Reset Signal

Checks the reset signal for the amplifier IC.

Check Amplifier Board Oscillation Waveform

Checks the oscillation waveform on the amplifier board.

Troubleshooting: Analog Input Issues

Check Analog Audio Signal from AUX

Checks the analog audio signal from the AUX input.

Check Input Signal from DIR

Checks the input signal from the DIR.

Check Digital Audio Data Output from DIR

Checks the digital audio data output from the DIR.

Check Digital Audio Data Input for PWM Controller

Checks the digital audio data input for the PWM controller.

Check PWM Audio Data Output for PWM Controller

Checks the PWM audio data output for the PWM controller.

Check Amplifier to Speaker Audio Data Output

Checks the audio data output from the AMP to the speaker.

Troubleshooting: Digital Input Issues

Check Optical Input IC Power Voltages

Checks power supply voltages for the optical input IC.

Check Digital Audio Data from Optical Input IC

Checks the digital audio data from the optical input IC.

Troubleshooting: Connectivity Issues

Check Network Power Supply Voltages

Checks power supply voltages for the network interface.

Check USB Power Supply Voltages

Checks power supply voltages for the USB interface.

Check iPod Dock Power Supply Voltages

Checks power supply voltages for the iPod Dock.

Check CR870 Power Supply Voltages

Checks power supply voltages for the CR870 unit.

Check Ethernet Board Reset Signal (CR870)

Checks the reset signal for the Ethernet board (CR870).

Check CODEC Digital Audio Data

Checks digital audio data for the CODEC.

Block Diagrams

Key Board Block Diagram

Illustrates the block diagram of the Key board.

Display Board Block Diagram

Illustrates the block diagram of the Display board.

Main Board Block Diagram

Illustrates the block diagram of the Main board.

Ethernet and USB Board Block Diagram

Illustrates the block diagram of the Ethernet and USB board.

Switched-Mode Power Supply Block Diagram

Shows the block diagram of the switched-mode power supply.

Printed Wiring Boards (PWBs)

Audio PWB: Component Side

Shows the component side of the Audio printed wiring board.

Audio PWB: Foil Side

Shows the foil side of the Audio printed wiring board.

Front PWB: Component Side

Shows the component side of the Front printed wiring board.

Front PWB: Foil Side

Shows the foil side of the Front printed wiring board.

Headphone PWB: Component Side

Shows the component side of the Headphone printed wiring board.

Headphone PWB: Foil Side

Shows the foil side of the Headphone printed wiring board.

USB PWB: Component Side

Shows the component side of the USB printed wiring board.

USB PWB: Foil Side

Shows the foil side of the USB printed wiring board.

Schematic Diagrams (Part 1/6)

Main Unit Schematic (1/2)

Part 1 of the main unit schematic, showing primary components.

Main Unit Schematic (2/2)

Part 2 of the main unit schematic, showing secondary components.

iPod Unit Schematic

Schematic diagram for the iPod unit.

Schematic Diagrams (Part 2/6)

Main Unit Schematic (2/2) Continued

Continues the main unit schematic, showing secondary components.

iPod Unit Schematic Continued

Schematic diagram for the iPod unit.

Schematic Diagrams (Part 3/6)

Audio Unit Schematic

Schematic diagram for the audio unit.

Schematic Diagrams (Part 4/6)

Headphone Unit Schematic

Schematic diagram for the headphone unit.

USB Unit Schematic

Schematic diagram for the USB unit.

Front Unit Schematic

Schematic diagram for the front unit.

Schematic Diagrams (Part 5/6)

Key Unit Schematic

Schematic diagram for the key unit.

CNT2 Unit Schematic

Schematic diagram for the CNT2 unit.

CNT1 Unit Schematic

Schematic diagram for the CNT1 unit.

CNT3 Unit Schematic

Schematic diagram for the CNT3 unit.

Schematic Diagrams (Part 6/6)

SMPS Unit Schematic

Schematic diagram for the SMPS unit.

Exploded View Diagram

Parts List of Exploded View

Packing View Diagram

Parts List of Packing & Accessories

Semiconductor Information

Integrated Circuits (ICs)

Lists IC components, focusing on detailed drawings in schematic diagrams.

R5F56108VNFP (IC403) Pin Details

Pin description and functions for IC403, a Renesas microcontroller.

Display Unit Information

CP661 Display Controller Pin Details

Pin description and functions for the display controller CP661.

Parts List of PCB Units

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