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Panasonic DMR-EZ45VEB

Panasonic DMR-EZ45VEB
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© 2006 Matsushita Electric Industrial CO., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
DMR-EZ45VEB
Vol. 1
Colour
(S).......................Silver Type
DVD Recorder
ORDER NO.MAD0606019CE

Table of Contents

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Panasonic DMR-EZ45VEB Specifications

General IconGeneral
TypeDVD Recorder
Weight3.5 kg
Progressive ScanYes
Hard Disk Capacity160 GB
Recording FormatDVD-RAM, DVD-R, DVD-RW
Video Formats SupportedMPEG-2
Audio Formats SupportedDolby Digital
ConnectionsComposite video output, S-Video output
Dimensions (W x H x D)430 x 59 x 286 mm
Video D/A Converter10-bit
Audio D/A Converter24-bit
Playback FormatDVD-Video, DVD-RAM, DVD-R, DVD-RW, CD, CD-R, CD-RW
Video Recording FormatMPEG2
Audio Recording FormatDolby Digital
Output Resolution1080p

Summary

1 Safety Precautions and General Guidelines

1.1 General Guidelines and Leakage Current Checks

General safety guidelines and procedures for leakage current checks.

2 Warnings and Precautions

2.1 Electrostatic Discharge (ESD) Prevention

Precautions to prevent component damage from ESD.

2.2 Laser Diode Precautions

Safety measures for handling laser diodes.

2.3 Service Cautions for Lead-Free Solder

Cautions regarding lead-free solder use and environmental compliance.

3 Service Navigation

3.1 Service Information Overview

Details service manual scope and excluded information.

4 Specifications

5 Location of Controls and Components

6 Operating Instructions

6.1 DVD Disc Ejection Procedures

Forcible ejection of a DVD disc when standard methods fail.

6.2 VHS Cassette Tape Removal

Methods for removing a VHS cassette tape manually.

6.2.3 VHS Cassette Tape Removal (Mechanism)

Manual VHS cassette removal after mechanism disassembly.

7 Service Mode

7.1 DVD Self-Diagnosis Functions

Details DVD self-diagnosis error codes and functions.

7.1.2 DVD Special Modes Setting

Setting various special modes for DVD servicing.

7.1.3 DVD Service Modes

Lists and describes specific DVD service modes.

7.2 VHS Self-Diagnosis and Special Mode Setting

Covers VHS self-diagnosis, special modes, and service modes.

7.2.3 VHS Self-Diagnosis History

Details VHS self-diagnosis error code memory and history.

8 Service Fixture and Tools

9 Assembling and Disassembling

9.1 Disassembly Flow Chart

Provides a flowchart for unit disassembly.

9.2 PCB Positions

Diagrams showing the location of various PCBs within the unit.

9.3 Cassette Tape Insertion Caution

Caution regarding cassette tape handling during disassembly.

9.4 Top Case Removal

Step-by-step procedure for removing the top case.

9.5 Front Panel Removal

Step-by-step procedure for removing the front panel.

9.6 Front Jack PCB & FL Drive PCB Removal

Procedure for removing Front Jack and FL Drive PCBs.

9.7 Rear Panel & Fan Motor Removal

Procedure for removing the rear panel and fan motor.

9.8 VCR Mechanism Unit Removal

Procedure for removing the VCR mechanism unit.

9.8.1 Caution for Attaching VCR Mechanism

Important caution for reattaching the VCR mechanism.

9.9 Main PCB Removal

Procedure for removing the main PCB.

9.10 Tuner Removal

Procedure for removing the tuner module.

9.11 DVD-RAM Drive Digital PCB Module Removal

Procedure for removing the DVD-RAM Drive/Digital PCB module.

9.12 SDDV In PCB Removal

Procedure for removing the SD/DV Input PCB.

9.13 Power & Digital IF PCB Removal

Procedure for removing the Power & Digital I/F PCB.

9.14 Back End PCB Removal

Procedure for removing the back end PCB.

9.15 HDMI PCB Removal

Procedure for removing the HDMI PCB.

10 Measurements and Adjustments

10.1 Service Positions

Specifies positions for PCB measurements and repairs.

10.1.1 Power & Digital IF PCB CheckingRepairing

Steps for checking and repairing the Power & Digital I/F PCB.

10.1.2 Main PCB Checking and Repairing

Steps for checking and repairing the main PCB.

10.1.3 DVD-RAM Drive Digital PCB Module CheckingReplacing

Procedure for checking and replacing the DVD-RAM Drive/Digital PCB module.

10.2 Caution for Replacing Parts

Cautions and notices related to replacing internal parts.

10.2.2 PG Shifter Automatic Adjustment

Procedure for automatic adjustment of the PG shifter.

10.2.3 X-Value & Linearity Adjustment

Procedure for adjusting X-Value and Linearity (P2/P3).

Linearity Adjustment Procedure

Procedure for adjusting the LINEARITY for flat envelope.

10.3 DVD Standard Inspection After Repairs

11 Miscellaneous

11.1 Abbreviations

Comprehensive list of abbreviations used in the manual.

12 Block Diagrams

12.1 Power Supply Block Diagram

Block diagram of the power supply circuit.

12.2 System Control, Servo & Timer Block Diagram

Block diagram of system control, servo, and timer functions.

12.3 Audio Block Diagram

Block diagram illustrating the audio signal path.

12.4 Video Block Diagram

Block diagram illustrating the video signal path.

12.5 Digital IF PCB Block Diagram

Block diagram of the digital interface PCB.

12.6 HDMI Block Diagram

Block diagram of the HDMI interface.

13 Schematic Diagrams

13.1 Interconnection Diagram

Shows interconnections between major assemblies and PCBs.

13.2 Power Supply Schematic

Schematic diagram of the power supply circuit.

13.3 Digital IF Schematic

Schematic diagram of the digital interface PCB.

13.4 IO and Tuner Schematic

Schematic diagram for I/O and tuner sections.

13.5 SYSCON Servo Timer Main Schematic

Schematic of system control, servo, and timer main unit.

13.6 Video Schematic

Schematic diagram of the video processing circuitry.

13.7 Audio NICAM Schematic

Schematic diagram for the NICAM audio processing.

13.8 Front Jack Schematic

Schematic diagram of the front panel jack connections.

13.9 FL Drive Schematic

Schematic diagram of the FL display drive circuit.

13.10 SDDV In PCB Schematic

Schematic diagram of the SD/DV Input PCB.

13.11 HDMI PCB Schematic

Schematic diagram of the HDMI interface PCB.

14 Printed Circuit Board Diagrams

14.1 Power & Digital IF PCB (Component Side)

Component layout diagram for the Power & Digital I/F PCB.

14.2 Power & Digital IF PCB (Solder Side)

Solder side layout diagram for the Power & Digital I/F PCB.

14.3 Main PCB (Component Side)

Component layout diagram for the Main PCB.

14.4 Main PCB (Solder Side)

Solder side layout diagram for the Main PCB.

14.5 Front Jack PCB Layout

Component and solder side layout for the Front Jack PCB.

14.6 FL Drive PCB Layout

Component and solder side layout for the FL Drive PCB.

14.7 SDDV In PCB Layout

Component and solder side layout for the SD/DV Input PCB.

14.8 HDMI PCB Layout

Component and solder side layout for the HDMI PCB.

15 Appendix for Schematic Diagram

15.1 Voltage and Waveform Charts

Charts of standard voltage and waveform values for service.

16 Exploded Views

16.1 Mechanism & Casing Parts

Exploded view of the mechanism and casing components.

16.2 Front Panel Parts

Exploded view of the front panel assembly and its parts.

16.3 VHS Mechanism Parts

Exploded view of the VHS mechanism components.

16.4 Packing & Accessories

Diagram of the product's packing and included accessories.

17 Replacement Parts List

17.1 Casing Parts & Printed Circuit Boards

List of replacement casing and PCB parts with part numbers.

17.2 VHS Mechanism Parts

List of replacement parts for the VHS mechanism.

17.3 Packing & Accessories Parts

List of replacement packing and accessory parts.

17.4 Electrical Parts

List of replacement electrical components (capacitors, resistors, etc.).

17.5 Service Fixture and Tools

List of service fixtures and tools with part numbers.

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