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Panasonic DMR-EH55EC

Panasonic DMR-EH55EC
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ORDER NO.DSD0603003CE
DVD Recorder
DMR-EH55EC / DMR-EH55EP / DMR-EH56EG
Vol. 1
Colour
(S).......................Silver Type
(K).......................Black Type
SPECIFICATIONS
1

Table of Contents

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Panasonic DMR-EH55EC Specifications

General IconGeneral
BrandPanasonic
ModelDMR-EH55EC
CategoryDVD Recorder
LanguageEnglish

Summary

Safety Precautions

General Servicing Guidelines

General safety guidelines to follow during servicing operations.

Leakage Current Cold Check

Procedure to measure leakage current when the unit is at room temperature.

Warnings and Precautions

Leakage Current Hot Check

Procedure to measure leakage current when the unit is operating at normal temperature.

Electrostatic Discharge (ESD) Prevention

Techniques to prevent damage to sensitive components from static electricity.

Laser Diode Precautions

Controls and Components

Forcible Disc Ejection

Step-by-step methods for ejecting a disc when normal operation fails.

Forcible Disc Eject (Power Off)

Procedure for forcible disc ejection when the unit is powered off.

Forcible Disc Eject (Power On)

Procedure for forcible disc ejection when the unit is powered on.

Manual Disc Eject

Steps for manually ejecting the disc tray when electronic ejection fails.

Service Mode Operations

Self-Diagnosis Functions

Explanation of the self-diagnosis system for error reporting and troubleshooting.

Special Mode Settings

Instructions for accessing and configuring various special service modes.

Service Modes Overview

A consolidated reference for service modes and their key operations.

Service Fixtures and Tools

Disassembly and Assembly

Disassembly Flow Chart

A visual chart detailing the sequence of disassembly steps.

Measurements and Adjustments

Power PCB Service

Guidance on troubleshooting and repairing the Power PCB.

RAMDigital PCB Service

Main PCB Service

HDD Service

Component Replacement Cautions

Main Firmware Writing

Post-Repair Inspection

Schematic Diagrams

Printed Circuit Board Layouts

Replacement Parts List

Power Supply Schematic Diagram

Oscilloscope Waveform Examples

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