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Denon RCD-M38DAB

Denon RCD-M38DAB
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D&M Holdings Inc.
SERVICE MANUAL
e
e
Copyright 2010 D&M Holdings Inc. All rights reserved.
WARNING: Violators will be prosecuted to the maximum extent possible.
MODEL JP E3 E2 EK EA E1 E1K E1C
RCD-M38
33
RCD-M38DAB
3
D-M38S
3
STEREO CD RECEIVER
Ver. 3
•
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.
S0105-1V03DM/DG1007
Please refer to the
MODIFICATION NOTICE.
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Denon RCD-M38DAB Specifications

General IconGeneral
BrandDenon
ModelRCD-M38DAB
CategoryCar Receiver
LanguageEnglish

Summary

Safety Precautions

Leakage Current Check

Procedure to check for leakage current before returning unit to customer.

Servicing Cautions

Important points to observe during servicing and inspection procedures.

Important Safety Parts

Guidelines for using designated parts with special safety properties.

Warnings and Laser Safety

Laser Safety Instructions

Critical safety instructions for operating and servicing laser products.

System Configuration and Specifications

Specifications Overview

Technical data for audio, tuner, CD, clock, remote, and general unit specs.

Servicing Procedures and Tools

Initialization Procedure

Steps to initialize the STEREO CD RECEIVER to factory settings.

Laser Pick-up Handling and Replacement

Laser Pick-up Precautions

Safety and handling notes for laser pick-up protection and replacement.

Service Mode Operations

Version Display, VFD Check, and Initialization

Modes for checking firmware versions, VFD, and performing unit initialization.

CD Test Mode Procedures

CD Test Mode, Disc Loading, and Servo Checks

Detailed steps for CD test mode, disc loading, and servo system checks.

CD Test Mode Adjustments and Displays

Pickup Movement, Stop, Servo, and Adjustment Values

Controls for pickup movement, servo checks, and displaying adjustment values.

Laser Current and Data Management

Laser Current Display and Overwriting Stored Data

Procedures for checking, displaying, and overwriting laser current data.

CD Error Display and Handling

Error Codes and Heat Run Display upon Error

List of error codes and how to display heat run counts when errors occur.

Firmware Upgrade Procedures

Microprocessor Replacement Notes

Guidelines for replacing microprocessors and flash ROM.

Main CPU Firmware Update

Steps to update the firmware for the main CPU via USB.

USB CPU Firmware Update

USB CPU Update Procedure

Detailed steps for downloading and updating USB CPU firmware.

Troubleshooting Guide

VFD Display Issues

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

Audio Troubleshooting

No Sound or Noise Generation

Steps to diagnose and resolve sound or noise generation problems.

Waveform Measurement Methods

MCU CD PCB Test Points

Identification of test points on the MCU CD PCB for waveform measurement.

Input PCB Test Points

Input PCB Test Point Identification

Location of test points on the Input PCB for measurements.

Waveform Analysis

Disc Play RF Waveforms

Analysis of RF waveforms during CD playback and detection.

TOC Read and Focus Adjustment Waveforms

TOC Read Waveforms

Display of waveforms during TOC reading.

Focus Adjustment Waveforms

Waveform examples for focus adjustment procedures.

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