Denon DCD-615 Service Manual

Hi-Fi Component
SERVICE MANUAL
MODEL
DCD-715
MODEL
DCD-615
STEREO CD PLAYER
(Photo : DCD-715)
— TABLE OF CONTENTS —
OPERATING
INSTRUCTIONS
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SPECIFICATIONS
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NIPPON
COLUMBIA
CO.
LTD.

Denon DCD-615 Specifications

General

Brand	Denon
Model	DCD-615
Category	CD Player
Language	English

Summary

FEATURES

NAMES AND FUNCTIONS OF PARTS

Remote Control Operations

DISC HANDLING AND PLAYBACK MODES

CD Playback Modes

Covers normal playback, advanced track selection, and search functions.

INSTALLATION AND TROUBLESHOOTING

Installation Precautions

Guidelines to prevent interference and ensure proper setup of the CD player.

Troubleshooting Common Issues

Solutions for common operational problems like disc loading or no sound.

TECHNICAL SPECIFICATIONS

Audio Specifications

LASER PICK-UP HANDLING

LASER PICK-UP SAFETY AND CARE

Handling and Storage Precautions

Instructions for safe storage and handling of the laser pick-up assembly.

Laser Diode Safety

Warnings and precautions regarding the laser diode, including eye safety.

DISASSEMBLY PROCEDURES

Front Panel Disassembly

Mechanism Unit Removal

ADJUSTMENT

Starting the Service Program

Steps to enter the unit's internal service or adjustment mode.

Service Program Functions

Details the functions of buttons within the service program mode.

Adjustment Location and Equipment

Identifies adjustment points and necessary external equipment for calibration.

ADJUSTMENT (Continued)

Focus Gain Adjustment

Procedure to adjust the focus gain (VR102) for optimal performance.

Tracking Gain Adjustment

Procedure to adjust tracking gain (VR104) using an oscilloscope.

Tracking Offset (E/F Balance) Adjustment

Steps to adjust tracking offset for symmetric waveform display.

HF Level Adjustment

Procedure to check and confirm the HF level using an oscilloscope.

HEAT RUN MODE FUNCTION

Activating Heat Run Mode

Heat Run Mode Operation

Heat Run Mode Error Messages

Lists and explains error messages that may appear during Heat Run mode.

COMPONENT IDENTIFICATION AND RATINGS

PARTS LIST - PRINTED WIRING BOARD

EXPLODED VIEW DIAGRAMS

DCD-715 Exploded View

MECHANISM UNIT PARTS LIST AND DIAGRAMS

FG-74 Mechanism Unit Parts List

Lists all parts for the FG-74 mechanism unit.

FG-74 Mechanism Exploded View

Visual breakdown of the FG-74 mechanism unit for assembly reference.

PRINTED WIRING BOARD LAYOUT

KU-9289 Main Unit P.W. Board Layout

WIRING DIAGRAM

Key Display Unit Wiring

Power Switch Unit Wiring

H/P Jack Unit Wiring

Main Unit Wiring

INTEGRATED CIRCUIT (IC) PINOUTS

CXD2500BQ and CXA1372S Pinouts

COMPONENT IDENTIFICATION

SCHEMATIC DIAGRAMS

DCD-715 Schematic Diagram - Part 1

Detailed circuit schematic for the DCD-715, covering main sections.

SCHEMATIC DIAGRAMS CONTINUED

DCD-715 Schematic Diagram - Part 2

Continuation of the DCD-715 schematic, showing further circuit details.