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Yamaha CDX-596 Service Manual

Yamaha CDX-596
35 pages
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CDX-596
CDX-596
100708
SERVICE MANUAL
IC DATA .................................................................. 12-16
BLOCK DIAGRAM ....................................................... 17
PRINTED CIRCUIT BOARD ................................... 18-21
IC BLOCK .................................................................... 22
WAVEFORMS .............................................................. 23
SCHEMATIC DIAGRAM .............................................. 24
PARTS LIST ............................................................ 25-33
REMOTE CONTROL TRANSMITTER......................... 34
CONTENTS
TO SERVICE PERSONNEL ....................................... 1-2
REAR PANELS .............................................................. 3
SPECIFICATIONS .......................................................... 4
INTERNAL VIEW ........................................................... 4
DISASSEMBLY PROCEDURES ................................ 5,6
STANDARD OPERATION CHART ............................ 6,7
TEST MODE ................................................................ 7,8
ERROR MESSAGE ................................................... 9,10
DISPLAY DATA ........................................................... 11
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 inherant 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 all 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 accumu-
lated 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 parts replacement. Recheck all work before you apply power to the unit.
OUTPUT LEVEL
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4
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TEXT/
COMPACT DISC PLAYER
CDX-596
SERVICE MANUALSERVICE MANUAL

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Questions and Answers:

Yamaha CDX-596 Specifications

General IconGeneral
TypeCD Player
Disc formatsCD, CD-R, CD-RW
Frequency response2 Hz - 20 kHz
Dynamic range100 dB
Total harmonic distortion0.0025%
Output voltage2V
Digital outputsCoaxial, Optical
Power Consumption15 W

Summary

TO SERVICE PERSONNEL

Critical Components Information

Specifies critical component requirements and testing procedures for safe servicing.

Laser Beam Safety Precautions

Provides instructions for eye protection and safe handling of the laser diode during servicing.

Chemical Content Warning

Alerts users to lead and other chemicals, with safe handling practices.

REAR PANELS

A Model Rear Panel Configuration

Illustration and labeling of rear panel connectors for the A model.

G, B Models Rear Panel Configuration

Illustration and labeling of rear panel connectors for G, B models.

SPECIFICATIONS

Product Dimensions and Performance

Details output level, SNR, frequency response, dimensions, and weight of the unit.

INTERNAL VIEW

DISASSEMBLY PROCEDURES

Top Cover Removal Steps

Step-by-step instructions for removing the unit's top cover.

Front Panel Detachment and Removal

Procedure for detaching and removing the front panel assembly.

CD Mechanism Unit Extraction

Guide for disconnecting and removing the CD mechanism unit.

Tray Unit Disassembly

Steps to detach the tray unit, chucking unit, and stopper pin.

Pick-up Head Assembly Removal

Instructions for removing the drive unit and pick-up head.

STANDARD OPERATION CHART

TEST MODE

Panel Key Functions in Test Mode

Lists panel key operations and functions during test mode activation.

Remote Control Functions in Test Mode

Lists remote control key operations and functions during test mode.

ERROR MESSAGE

Error Code Identification and Meaning

Table detailing error codes, their descriptions, and corresponding states.

Troubleshooting Specific Error Codes

Flowcharts to diagnose and resolve error codes like X0, X7, X8, 94, A5.

TROUBLESHOOTING SYSTEM MALFUNCTIONS

Tray Operation Faults

Diagnosing issues with tray opening, closing, or partial movement.

Audio Playback Problems

Troubleshooting steps for no sound or interrupted sound during playback.

No Disc Detected Scenarios

Steps to resolve when the unit acts as if no disc is loaded.

Sound Skipping and Search Malfunctions

Troubleshooting for sound skips and problems with playback search functions.

DISPLAY DATA

Display Unit Pin Connections

Pinout details for the display unit and related components.

Grid Assignment for Display Segments

Mapping of grid patterns to display segments and pin assignments.

Anode Connection Mapping for Display

Details anode connections for display segments and their corresponding pins.

IC DATA

IC100: YSZ914B-F DAFC Pinout

Pinout and function details for the YSZ914B-F DAFC IC.

IC3: MN35511AL Pinout

Pinout and function details for the MN35511AL signal process controller IC.

IC300: uPD78076GF-088 System Control Pinout

Pinout and function details for the uPD78076GF-088 system control IC.

BLOCK DIAGRAM

PRINTED CIRCUIT BOARD (Foil side)

MAIN P.C.B. (1) Component Layout

Foil side layout of Main P.C.B. (1) showing component references and positions.

MAIN P.C.B. (2) Component Layout

Foil side layout of Main P.C.B. (2) showing component references and positions.

MAIN P.C.B. (3) Component Layout

Foil side layout of Main P.C.B. (3) showing component references and positions.

MAIN P.C.B. (4) Component Layout

Foil side layout of Main P.C.B. (4) showing component references and positions.

MAIN P.C.B. (5) Component Layout

Foil side layout of Main P.C.B. (5) showing component references and positions.

IC BLOCK

WAVEFORMS

Waveform Analysis at Point A

Analysis of EFM waveform at Point A (IC1, Pin 10) showing voltage and time characteristics.

Waveform Analysis at Point B

Analysis of waveform at Point B (IC3, Pin 59) showing voltage and time characteristics.

Waveform Analysis at Point C

Analysis of waveform at Point C (IC300, Pin 10) showing voltage and time characteristics.

Waveform Analysis at Point D

Analysis of waveform at Point D (IC200, CH1/CH2) showing voltage and time characteristics.

SCHEMATIC DIAGRAM

Transistor, Diode, IC Pin Connection Diagram

Diagram showing pin connection details for transistors, diodes, and ICs in the schematic.

ELECTRICAL PARTS

EXPLODED VIEW

MECHANICAL PARTS

EXPLODED VIEW (CD Mechanism Unit)

MECHANICAL PARTS (CD Mechanism Unit)

REMOTE CONTROL TRANSMITTER

Transmitter Schematic and Key Codes

Schematic of the remote transmitter and a table of key functions with custom/data codes.

Parts List for Carbon Resistors

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