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Sony HCD-MD373 Service Manual

Sony HCD-MD373
98 pages
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1
HCD-MD373
SPECIFICATIONS
SERVICE MANUAL
COMPACT DISC DECK RECEIVER
— Continued on next page —
AEP Model
UK Model
E Model
Australian Model
Chinese Model
Tourist Model
Model Name Using Similar Mechanism NEW
Mechanism Type CDM55A-5SBD32, CDM55C-5BD32
Base Unit Type BU-5SBD32, BU-5BD32
Optical Pick-up Type KSS-213BA/F-NP
Model Name Using Similar Mechanism MDS-JE520
Mechanism Type MDM-5A
Optical Pick-up Type KMS-260B/J1N
CD
SECTION
MD
SECTION
HCD-MD373 is the amplifir, CD, MD
and tuner section in DHC-MD373.
Ver 1.1 2001.06
9-928-998-12
2001F0200-1
© 2001.6
Sony Corporation
Home Audio Company
Shinagawa Tec Service Manual Production Group

Table of Contents

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Sony HCD-MD373 Specifications

General IconGeneral
TypeMini Hi-Fi Component System
Disc CompatibilityCD, MD
TunerFM/AM
CD PlayerYes
MD (MiniDisc) Player/RecorderYes
Audio Channels2.0
Speakers2-way speakers

Summary

Specifications

Component Sections

Detailed specifications for Amplifier, CD, MD, and Tuner sections.

General

Self-Diagnosis Function

Explains the system's self-diagnosis capabilities and error codes.

Location of Parts and Controls

Identifies and describes the location of all front panel controls and indicators.

Safety Warnings

Laser and Electrical Safety Precautions

Critical warnings regarding laser radiation and electrical safety during operation.

Servicing Note

Disassembly Procedures

Step-by-step guide for disassembling the unit's main components.

Disassembly

Case Disassembly

Instructions for removing the main outer case of the unit.

Front Panel Disassembly

Main Board and CD Mechanism Disassembly

CD Mechanism Components Disassembly

MD Mechanism and Related Components Disassembly

MD Mechanism Components Disassembly

Test Mode

Precautions for Test Mode Use

Important safety and operational notes before using test modes.

Setting and Operating Test Modes

Procedures for entering, selecting, and operating various test modes.

Selecting Test Mode

Test Mode Operations

Test Mode Functions and Displays

Electrical Adjustments

MD Section Adjustments

Overview of parts replacement and adjustment procedures for the MD section.

Precautions for Adjustments

General precautions and notes before performing electrical adjustments.

Checks Prior to Repairs

Laser Power, Traverse, and Focus Bias Checks

Procedures for checking laser power, traverse, and focus bias.

C PLAY and Self-Recording/playback Checks

Guide for performing C PLAY and self-recording/playback checks.

Adjustment Procedures

Initial Setting and IOP Information

Steps for initial adjustment setting and IOP data recording.

Traverse Adjustment

Detailed procedure for adjusting the traverse mechanism.

Focus Bias Adjustment

Steps for performing the focus bias adjustment.

Temperature Compensation Offset and Laser Power Adjustment

Procedures for temperature compensation and laser power adjustments.

Adjustment Procedures and Error Checks

Error Rate Checks

Procedures for checking CD and MD error rates.

Auto Gain Control Adjustment

Steps for CD and MD auto gain control level adjustments.

Diagrams

IC Block Diagrams

IC Pin Functions

Exploded Views

Electrical Parts List

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