Denon DCD-685 Service Manual

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SERVICE MANUAL
Some illustration using in this service manual is slightly from the actual set.
MODEL
DCD-485/685
STEREO CD PLAYER
DCD-485
DCD-685
Hi-Fi Component
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Denon DCD-685 Specifications

General

Type	CD Player
Digital-to-Analog Converter	24-bit/192kHz
Frequency Response	2 Hz - 20 kHz
Signal-to-Noise Ratio	110 dB
Dynamic range	100 dB
Total Harmonic Distortion	0.0025%
Output Level	2 V
Digital Output	Coaxial, Optical
Power Consumption	15 W
Dimensions	434 x 105 x 283 mm
Weight	3.5 kg
Disc format	CD
Output	2.0V
Digital outputs	Coaxial, Optical

Summary

Safety Precautions

Leakage Current Check

Procedure for checking leakage current before returning unit to customer.

Specifications

Disassembly

Top Cover

Steps to remove the top cover of the CD player.

Front Panel

CD Test Mode

Setting of the Test Mode

Instructions on how to start and exit the CD test mode.

Explanation of Each Button

Block Diagram

Note for Handling of Laser Pick-up

Description of the Components

Details of the laser pick-up components.

Pin Connector

Caution for Handling the Laser Pick-up

Handle with Care

Precautions for storing and handling the laser pick-up.

Laser Diode (LD)

Safety warnings and handling procedures for the laser diode.

Actuator

µPD78044FGF-188-3B9 (IC601)

Terminal Functions

Remote Control Sensor GP1U271X (IC601)

Printed Wiring Board

Parts List of P.W.B. Unit Ass'y

Parts List of Exploded View

Exploded View

Parts List of CD Mechanism Unit

Exploded View of CD Mechanism Unit KSL 2130 CCM

Schematic Diagram ( for DCD-485 )

Schematic Diagram ( for DCD-685 )