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Hitachi DV-PF3A(S) User Manual

Hitachi DV-PF3A(S)
101 pages
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SERVICE MANUAL
Digital Media Division, Tokai
DVD PLAYER & VIDEO CASSETTE RECORDER
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
TK No. 9307E
DV-PF3A(S)
June 2003
PAL
PROGRAM
VIDEO IN
TIMER REC
DVD OUTPUT VCR
L
(mono)
AUDIO IN R
AV 3

Table of Contents

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Hitachi DV-PF3A(S) Specifications

General IconGeneral
TypeDVD Player
Progressive ScanYes
Remote ControlYes
Video OutputComposite, S-Video, Component
Media TypeCD, DVD
Video Output SystemNTSC
Disc CompatibilityDVD-Video, DVD-R, DVD-RW, CD-R, CD-RW
Audio OutputCoaxial

Summary

1 CAUTIONS FOR SAFETY IN PERFORMING REPAIR

1-1 LASER BEAM SAFETY PRECAUTIONS

Safety precautions for laser beam operation and handling.

1-2 IMPORTANT SAFETY PRECAUTIONS

1-2-1 Product Safety Notice

Notice regarding product safety characteristics and replacement parts.

1-2-2 Precautions during Servicing

Safety measures and precautions to follow during servicing procedures.

1-2-3 Safety Check after Servicing

Procedures for safety checks after repair work is completed.

1-3 STANDARD NOTES FOR SERVICING

1-3-3 How to Remove / Install Flat Pack-IC

Detailed steps for removing and installing flat pack ICs using different methods.

1-3-4 Instructions for Handling Semi-conductors

Guidelines for handling semiconductors to prevent electrostatic discharge.

1-4 NOTES WHEN USING SERVICE MANUAL

Standard Notes

General notes and warnings for using the service manual.

2 GENERAL INFORMATION

2-1 SPECIFICATIONS

Technical specifications for the DVD player and VCR.

2-2 COMPARISON OF MODELS

Comparison of VCR features between DV-PF3A(S) and VT-FX695EGK.

2-2-2 DVD Section

Comparison of DVD features between DV-PF3A(S) and DV-P388A(S).

2-3 OPERATING CONTROLS AND FUNCTIONS

Description of controls and indicators on the front panel.

3 MAINTENANCE AND INSPECTION

3-1 TROUBLESHOOTING

Troubleshooting guide for identifying and resolving malfunctions.

3-1-1 Power Supply Section

Troubleshooting flowcharts for power supply related issues.

3-1-2 DVD Section

Troubleshooting flowcharts for DVD section malfunctions.

3-2 FIRMWARE RENEWAL MODE

Procedures for updating the device firmware.

3-2-1 How to Update the Firmware Version

Step-by-step guide to update the firmware version.

3-2-2 How to Verify the Firmware Version

Instructions to check the current firmware version.

3-3 STANDARD MAINTENANCE

Periodic maintenance schedule for various components.

3-3-2 Cleaning

Procedures for cleaning video and ACE heads.

4 DISASSEMBLY

4-1 CABINET DISASSEMBLY INSTRUCTIONS

Instructions and flowchart for disassembling the unit's cabinet.

4-1-1 Disassembly Flowchart

Flowchart detailing the cabinet disassembly steps.

4-1-2 Disassembly Method

Detailed steps for removing specific parts during cabinet disassembly.

4-2 DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM

Step-by-step procedures for disassembling and assembling the deck mechanism.

4-3 ALIGNMENT PROCEDURES OF MECHANISM

Procedures for aligning various gears and levers in the deck mechanism.

5 ADJUSTMENT

5-1 PREPARATION FOR SERVICING

Preparation steps and cautions for entering service mode.

5-1-1 How to Enter the Service Mode

Guide on how to access the service mode for adjustments.

5-2 FIXTURE AND TAPE FOR ADJUSTMENT

Lists required fixtures and tapes for performing adjustments.

5-2-1 How To Use The Fixtures And Tape

Explains how to use the specified fixtures and alignment tape.

5-3 ELECTRICAL ADJUSTMENT INSTRUCTIONS

General notes and test equipment required for electrical adjustments.

5-3-1 Test Equipment Required

Lists the necessary test equipment for electrical adjustments.

5-3-2 Head Switching Position Adjustment

Procedure to adjust the head switching point for optimal playback.

5-4 MECHANICAL ALIGNMENT PROCEDURES

Explanation of procedures for tape alignment and mechanism adjustments.

5-4-2 Tape Interchangeability Alignment

Steps to align the tape path for proper tape interchangeability.

1-A. Preliminary/Final Checking and Alignment of Tape Path

Checks and adjustments for tape path stability and creasing.

1-B. X Value Alignment

Procedure to align the horizontal position of the audio/control/erase head.

1-C. Checking/Adjustment of Envelope Waveform

Steps to check and adjust the envelope waveform for tracking precision.

1-D. Azimuth Alignment of Audio/Control/ Erase Head

Procedure to align the audio/control/erase head for proper tape track adherence.

6 EXPLODED VIEWS AND PARTS LIST

6-1 EXPLODED VIEWS

Visual diagrams showing the exploded views of the unit's components.

6-1-1 Cabinet Section

Exploded view of the cabinet and its main assemblies.

6-1-2 Deck Mechanism View 1 Section

Exploded view of the deck mechanism, section 1.

6-1-3 Deck Mechanism View 2 Section

Exploded view of the deck mechanism, section 2.

6-1-4 Deck Mechanism View 3 Section

Exploded view of the deck mechanism, section 3.

6-2 REPLACEMENT PARTS LIST

List of replacement mechanical parts with their part numbers.

6-2-2 Electrical Parts List

List of replacement electrical components with their part numbers.

SCHEMATIC, CIRCUIT BOARD AND BLOCK DIAGRAMS

1 WIRING DIAGRAMS

Wiring diagrams for different sections of the unit.

2 SCHEMATIC DIAGRAMS

Schematic diagrams for various circuit blocks.

3 WAVEFORMS

Display of various signal waveforms for troubleshooting.

4 CIRCUIT BOARD DIAGRAMS

Diagrams showing the layout of circuit boards.

5 BLOCK DIAGRAMS

Block diagrams illustrating the functional units of the device.

6 SYSTEM CONTROL TIMING CHARTS

Mode SW : LD-SW

Timing chart related to Load/Unload switch positions.

Still/Slow Control Frame Advance Timing Chart

Timing chart for still and slow playback control.

[ DVD Section ]

Tray Close ~ Play / Play ~ Tray Open

Timing chart for DVD tray and drive operations.

7 IC PIN FUNCTION DESCRIPTIONS

[ VCR Section ]

Pinout and function descriptions for IC501.

8 LEAD IDENTIFICATIONS

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