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Marantz CD-95DR User Manual

Marantz CD-95DR
66 pages
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Table of Contents

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Marantz CD-95DR Specifications

General IconGeneral
BrandMarantz
ModelCD-95DR
CategoryCD Player
LanguageEnglish

Summary

INTRODUCTION

LASER RADIATION SAFETY

Precautions for eye protection and handling laser diode during servicing.

NOTES ON ELECTROSTATIC DAMAGE

CD-12 ELECTRICAL MEASUREMENTS AND ADJUSTMENTS

INITIATION OF THE SERVICING PROGRAMME OF THE µP

Steps to enter and control service modes for player adjustment.

FAULTFINDING METHOD

Preface

Explains the troubleshooting approach and methodology for the player.

GENERAL CHECKPOINTS

DETAILED TROUBLESHOOTING METHOD

First step (with disc on turntable)

Initial troubleshooting steps involving service loop 1 or 2.

Second step (with disc on turntable)

Troubleshooting steps using service loop 3 for player diagnostics.

Third step (with disc on turntable)

Steps for troubleshooting when player is not tracking a song.

Fourth step (with disc on turntable)

Troubleshooting step when no music is heard in play mode.

Sub. A. IS THE LASER GIVING LIGHT?

Method to check if the laser is emitting light.

Sub. C. IS THE LASER GIVING SUFFICIENT LIGHT?

Method to check if the laser output is sufficient.

Sub. D. IS THE OBJECTIVE COMING INTO FOCUS?

Procedure to verify the objective lens focuses correctly.

Sub. E. IS TURNTABLE MOTOR RUNNING AND, IF SO, IS IT RUNNING AT THE CORRECT SPEED?

Checks for turntable motor operation, speed, and tracking detector functionality.

Sub. F. ARE THE DO and HFLS DETECTORS FUNCTIONING?

Tests for proper functioning of DO and HFLS detectors.

Sub. G. IS TRACK DETECTOR FUNCTIONING WELL?

Method to check if the track detector is functioning correctly.

Sub. H. IS THE RADIAL CONTROL FUNCTIONING PROPERLY?

Verification of the radial control circuit's proper operation.

Sub. I. IS INT FUNCTIONING, O.E. POLARIOTY OF RE?

Checks INT functioning and RE polarity.

I FILTER-B IC

Annex I: LASER IS GIVING NO OR INSUFFICIENT LIGHT

Annex II: CHECKING d-FACTOR

Annex III: CHECKING K-FACTOR

Annex IV: CHECKING RF PRE-AMPLIFIER

3. Twin PLL with memory method

JITTER KILLER CIRCUIT

6. DA-12

INPUT/TAPE MONITOR CHANGEOVER

Model DA-12 Specifications

16. TECHNICAL SPECIFICATIONS

17. SCHEMATIC DIAGRAM

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