Yamaha MCR-E320 User Manual

SERVICE MANUAL
101049
IMPORTANT NOTICE
This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.
It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already
known and understood by the users, and have therefore not been restated.
WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in personal
injury, destruction of expensive components, and failure of the product to perform as specified. For these reasons,
we advise all YAMAHA product owners that any service required should be performed by an authorized
YAMAHA Retailer or the appointed service representative.
IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or
recognition of any applicable technical capabilities, or establish a principle-agent relationship of any form.
The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and
service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable
and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please
contact the distributor's Service Division.
WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have
accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).
IMPORTANT: Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
■ CONTENTS
TO SERVICE PERSONNEL ...................................... 2–3
PREVENTION OF ELECTROSTATIC DISCHARGE ..... 4
SYSTEM COMPOSITION / システム構成 ..................... 4
FRONT PANEL .............................................................. 5
REMOTE CONTROL PANELS ...................................... 5
REAR PANELS .............................................................. 6
SPECIFICATIONS / 参考仕様 ........................................ 7
INTERNAL VIEW ........................................................... 7
DISASSEMBLY PROCEDURES / 分解手順............ 8–10
TEST MODE/テストモード .................................. 11–12
SERVICE MODE/サービスモード ....................... 13–14
FACTORY MODE/ファクトリーモード............... 13–14
DISPLAY DATA ........................................................... 15
BLOCK DIAGRAM ....................................................... 16
WIRING DIAGRAM ...................................................... 17
PRINTED CIRCUIT BOARDS................................ 18–23
SCHEMATIC DIAGRAMS ...................................... 24–27
PIN CONNECTION DIAGRAMS .................................. 28
REPLACEMENT PARTS LIST .............................. 29–32
REMOTE CONTROL.............................................. 32–33
P.O.Box 1, Hamamatsu, Japan
CRX-E320/
NX-E700
2007 All rights reserved.
This manual is copyrighted by YAMAHA and may not be copied or
redistributed either in print or electronically without permission.
'07.06
CRX-E320/NX-E700
MICRO COMPONENT SYSTEM MCR-E320
COMPACT DISC RECEIVER/SPEAKER SYSTEM
The MCR-E320 consists of the CRX-E320 and the NX-E700.
MCR-E320 は CRX-E320 および NX-E700 で構成されています。
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Yamaha MCR-E320 Specifications

General

Brand	Yamaha
Model	MCR-E320
Category	Stereo System
Language	English

Summary

IMPORTANT NOTICE

TO SERVICE PERSONNEL

Critical Components Information

Details on replacing critical components with exact specifications.

Leakage Current Measurement

Procedure for measuring and acceptable limits of leakage current.

WARNING: CHEMICAL CONTENT NOTICE

About lead free solder

Guidelines and recommendations for using lead-free solder in repairs.

WARNING: Laser Safety

Laser Emitting conditions

Conditions under which the laser component emits a beam during operation.

Laser Diode Properties

Specifications for the laser diode, including material, wavelength, and output.

PREVENTION OF ELECTROSTATIC DISCHARGE

Grounding for electrostatic breakdown prevention

Methods for grounding to prevent static discharge damage to components.

SYSTEM COMPOSITION

FRONT PANEL

REMOTE CONTROL PANELS

REAR PANELS

SPECIFICATIONS

Player Section

Technical specifications for the CD player functionality.

Amplifier Section

Technical specifications for the amplifier section.

Tuner Section

Technical specifications for the FM/AM tuner functionality.

General

General specifications including power, dimensions, and finish.

INTERNAL VIEW

Diagram showing the internal layout of the CRX-E320 unit.

DISASSEMBLY PROCEDURES

1. Removal of Top Cover

Step-by-step instructions for removing the top cover.

2. Removal of Front Panel Unit

Instructions for removing the front panel assembly.

How to manually eject the tray

Procedure to manually open the CD tray if it fails to operate.

3. Removal of FRONT/SMPS (3) P.C.B.

Steps to remove the power supply and front panel PCB.

4. Removal of CD Mechanism Unit

Instructions for removing the CD mechanism assembly.

5. Removal of Tuner Module

Steps to remove the tuner module from the unit.

6. Removal of MAIN (1) P.C.B.

Instructions for removing the main circuit board (part 1).

7. Removal of Optical Pick-up Unit

Procedure to remove the optical pick-up unit from the CD mechanism.

TEST MODE

Starting Test Mode

How to activate the test mode for checking CD mechanism and display.

Function list of panel keys

Lists the functions of the unit's panel keys during test mode.

Function list of remote control keys

Lists the functions of remote control keys during test mode.

Canceling Test Mode

How to exit the test mode and return to normal operation.

SERVICE MODE

Starting Service Mode

Procedure to enter service mode and view firmware versions.

FACTORY MODE

Starting Factory Reset

How to perform a factory reset to restore initial settings.

Starting Tuner Step (L model)

How to select tuner steps (AM/FM frequencies) for L model.

DISPLAY DATA

BLOCK DIAGRAM

WIRING DIAGRAM

PRINTED CIRCUIT BOARDS

MAIN (1) P.C.B.

Top view of the main circuit board (part 1), showing component layout.

MAIN (2) P.C.B.

Top view of the main circuit board (part 2), showing component layout.

Safety Measures

SCHEMATIC DIAGRAMS

MAIN

Schematic diagram for the main board of the CRX-E320 unit.

FRONT/SMPS 1/2

Schematic diagram for the front/SMPS sections (part 1/2).

FRONT/SMPS (2)

Schematic diagram for the front/SMPS section (part 2).

FRONT/SMPS (3)

Schematic diagram for the front/SMPS section (part 3), including safety measures.

PIN CONNECTION DIAGRAMS

ICs

Pin connection diagrams for various integrated circuits used in the unit.

REPLACEMENT PARTS LIST

ELECTRICAL COMPONENT PARTS

List of electrical components available as replacement parts, with part numbers and descriptions.

OVERALL ASS'Y

NX-E700 Speaker Overall Assembly

REMOTE CONTROL

Diagrams of remote control panels and their key layouts for different models.

KEY LAYOUT

Visual representation of key assignments on the remote controls.

KEY CODE