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Marantz NA7004/N1B User Manual

Marantz NA7004/N1B
90 pages
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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.
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For purposes of improvement, speci cations and design are subject to change without notice.
Network Audio Player
NA7004 /
N1B/N1SG
U1B/K1B
NA7004
NA70 4
S0162-1V02DM/DG1010
Ver. 2
Please refer to the
MODIFICATION NOTICE.
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Marantz NA7004/N1B Specifications

General IconGeneral
TypeNetwork Audio Player
Audio Formats SupportedMP3, WMA, AAC, WAV, FLAC
DACCirrus Logic CS4398
Dynamic Range100 dB
Signal-to-Noise Ratio110 dB
Digital OutputsCoaxial, Optical
Internet RadioYes
DLNAYes
Remote ControlYes
Network ConnectivityEthernet
Streaming ServicesvTuner
USB InputYes (front)
Analog OutputsRCA
Headphone OutputYes

Summary

MARANTZ DESIGN AND SERVICE

SAFETY NOTES

Critical safety warnings for servicing and operation.

DETAILED SAFETY PRECAUTIONS

LEAKAGE CURRENT CHECK

Performing leakage current checks before unit return.

SERVICING CAUTIONS

General cautions for safe servicing and handling.

POST-SERVICE INSPECTION

Essential safety checks after servicing.

IMPORTANT SAFETY PARTS

Identification and use of critical safety components.

SPECIFICATIONS AND DIMENSIONS

CAUTIONS IN SERVICING

Factory Reset Procedure

How to perform a factory reset on the audio player.

DISASSEMBLY GUIDE

SPECIAL MODE SETTINGS

Initialization Modes

Procedures for factory and user resets.

REPLACEMENT AND FIRMWARE PROCEDURES

Microprocessor/Flash ROM Replacement

Guidance on replacing core components.

Firmware Upgrade Process

Step-by-step instructions for updating firmware.

TROUBLESHOOTING GUIDE

OLED Display Issues

Diagnosing problems with the OLED display.

No Sound or Noise Troubleshooting

Diagnosing audio output problems.

SEMICONDUCTOR DETAILS

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