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Denon DCD-860 Service Manual

Denon DCD-860
42 pages
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DENON
__.......
SERVICE
MANUAL
STEREO
CD
PLAYER
MODEL
DCD-860/660
(Photo:
DCD-860)
TABLE
OF
CONTENTS
OPERATING
INSTRUCTIONS
SPECIFICATIONS
NOTE
FOR
HANDLING
OF
LASER
PICK-UP
DISASSEMBLY
ADJUSTMENT
HEAT
RUN
MODE
FUNCTION
iC
TERMINAL
FUNCTION
PARTS
LIST
OF
P.W.BOARD
PARTS
LIST
OF
PACKING
&
ACCESSORIES
PARTS
LIST
OF
EXPLODED
VIEW
EXPLODED
VIEW
PARTS
LIST
OF
FG-415/416
MECHANISM
UNIT
EXPLODED
VIEW
OF
FG-415/416
MECHANISM
UNIT
WIRING
DIAGRAM
SEMICONDUCTORS
SCHEMATIC
DIAGRAM
NIPPON
COLUMBIA
CO.
LTD.
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Denon DCD-860 Specifications

General IconGeneral
TypeCD Player
Disc formatCD, CD-R, CD-RW
Digital converter24-bit/192 kHz
Channels2
Frequency Response2 Hz - 20 kHz
Dynamic Range100 dB
Digital outputsCoaxial, Optical
Channel separation95 dB
Output2.0V (fixed)
Line outputRCA

Summary

Safety and Precautions

General Safety Warnings

Covers general warnings, cautions, and explanations of safety symbols for electrical hazards.

Model-Specific Information

Details on U.S.A. model labels and British model mains lead wiring.

Product Features

Double Super Linear Converter

Explains Denon's unique D/A converter system for sound quality.

High Performance Digital Filter

Details the use of independent D/A converters and an 8x oversampling filter.

Digital Output (DCD-860 Only)

Describes the digital data output capability for external processors.

8cm CD Single Playback

Notes that 8cm CD singles can be played without an adaptor.

Line Voltage Selection

Instructions for selecting line voltage on multi-voltage models.

Names and Functions of Parts

Power Switch, Disc Holder, Sensor, Display

Identifies and explains the main unit's power, disc loading, remote sensing, and display functions.

Playback and Operation Buttons

Details the functions of the open/close, number, +10, play, and pause buttons.

Names and Functions of Parts (Continued)

Playback Control and Editing Functions

Explains stop, search, program, repeat, auto space, and edit functions.

Audio Output and Jacks

Describes headphone jack, volume control, output terminals, and digital output jack.

Connection Procedures

Connecting Output and Digital Jacks

Guides on connecting output terminals and digital output jacks to external equipment.

Disc Loading and Playback Operations

Instructions for opening/closing the disc holder, loading discs, and performing normal playback.

Advanced CD Playback Features

Direct and Programmed Track Selection

Details on playing specific tracks, checking programs, and programmed playback.

Playback Operations and Functions

Playback Modes and Search Functions

Explains repeat, pause, audible search, blank insertion, and track beginning search.

Special Playback and Editing Modes

Random Playback Function

Describes how to activate and use the random playback mode for discs.

Tape Time Editing Features

Explains time specification editing and the pick function for tape recording.

Advanced Editing and Fading Functions

Disc Linking and Tape Editing

Covers link function for multiple discs and setting fade-out time.

Fading and Peak Level Search

Details manual fading, time fade, and searching for the disc's peak level.

Disc Handling and Playback Control

Peak Search and Pitch Control

Explains peak search operation and changing playback speed (pitch control).

Compact Disc Care and Storage

Provides guidelines for handling, cleaning, and storing compact discs properly.

Remote Control Unit Operation

Battery Installation and Basic Use

Instructions for inserting batteries and operating the remote control unit.

Remote Control Functions and Modes

Details button functions, program mode, and track selection via remote.

Technical Specifications

Audio and Disc Specifications

Lists detailed audio performance metrics and disc format information.

General Characteristics and Functions

Covers power, dimensions, weight, features, and remote control system specs.

Laser Pick-up Handling Notes

Component Description and Labeling

Describes the laser pick-up components and the labeling system used for quality control.

Electrical Pin Connections

PD and Actuator Connector Pinouts

Details the pin assignments for PD and Actuator & LD connectors.

Laser Pick-up Handling and Maintenance

Care, Laser Diode, and Actuator Precautions

Covers handling, laser diode safety, and actuator care instructions.

Pick-up Handling, Deterioration, and Decision

Addresses metal bearing, general handling, deterioration, and decision criteria.

Disassembly Procedures

Unit Disassembly Steps

Provides step-by-step instructions for disassembling the top cover, front panel, loader, and clamper arm.

Adjustment Procedures

Service Program and Equipment

Details how to start the service program and lists the necessary adjustment equipment.

Adjustment Settings and Steps

Component Locations and Presets

Shows component locations and initial preset values for adjustment potentiometers.

Adjustment Steps and Parameters

Outlines the sequence of adjustments: tracking offset, focus gain, and offset recheck.

Servo Adjustments

Tracking Offset Adjustment

Step-by-step guide for adjusting the tracking offset using VR101.

Focus Gain Adjustment

Procedure for adjusting focus gain using VR102 with oscilloscope and oscillator.

Focus and Tracking Adjustments

Focus Offset Adjustment

Instructions for adjusting focus offset using VR103 to minimize pattern jitter.

Advanced Adjustments and Checks

Tracking Gain and Offset Check

Details on adjusting tracking gain and performing an offset adjustment check.

Heat Run Mode Function

Activation, Operation, and Errors

Explains how to activate, operate, and troubleshoot errors in Heat Run mode.

IC Terminal Function List (CXA1081S)

CXA1081S Terminal Functions

Lists the terminals of the CXA1081S IC and their primary functions.

IC Terminal Details

CXA1081S Terminal Function Descriptions

Provides detailed descriptions of each terminal's function for the CXA1081S IC.

IC Terminal Functions (CXD2500Q)

CXD2500Q Terminal Functions

Lists the terminals of the CXD2500Q IC and their corresponding functions.

IC Terminal Details (CXD2500Q)

CXD2500Q Terminal Function Descriptions

Provides detailed descriptions of each terminal's function for the CXD2500Q IC.

IC Terminal Functions (CXA1372S)

CXA1372S Terminal Functions

Lists the terminals of the CXA1372S IC and their corresponding functions.

Component Parts Information

Notes and Component Listings

Contains notes on parts ordering and lists for resistors, capacitors, and their characteristics.

Parts List of P.W.Board

Semiconductors and Resistors

Lists semiconductor devices (ICs, transistors) and resistors used on the P.W. Board.

Parts List of Packing & Accessories

Capacitors, Other Parts, and Accessories

Lists capacitors, other miscellaneous parts, and accessories supplied with the unit.

Parts List for Exploded Views

Component Part Numbers and Names

Provides reference numbers and names for parts used in the exploded views.

Exploded View of Main Unit

Assembly Diagram and Part References

Shows an exploded view of the main unit with numbered part references.

Mechanism Unit Parts List

FG-415/416 Mechanism Components

Lists the part numbers and names for the FG-415/416 mechanism unit.

FG-415/416 Mechanism Exploded View

Presents an exploded view diagram of the FG-415/416 mechanism unit.

Printed Wiring Board Layout

Main Unit P.W.Board Diagram

Illustrates the P.W. Board layout for the main unit (2U-2081 series).

Main Unit P.W.Board Layout

Printed Circuit Board Component Placement

Shows component placement on the main unit P.W. Board (2U-2082 series).

Key Display Unit Diagrams

DCD-860 Key Display Unit Layouts

Diagrams showing the layout of key display units for DCD-860 models.

DCD-660 Key Display Unit Layouts

Diagrams showing the layout of key display units for DCD-660 models.

Wiring Diagram (DCD-860)

System Wiring Schematics

Illustrates the wiring connections between major units of the DCD-860 system.

Wiring Diagram (DCD-660)

System Wiring Schematics

Illustrates the wiring connections between major units of the DCD-660 system.

Semiconductor Component Details

ICs, Diodes, and Transistors

Provides diagrams and identification for ICs, diodes, and transistors used in the unit.

Schematic Diagram (Main Unit)

Overall Circuit Diagram

Presents the main schematic diagram for the DCD-860/660 unit.

Schematic Diagram (Main Unit - Continued)

Circuitry Details and Notes

Continues the main schematic and includes important notes on circuit and parts changes.

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