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Toshiba MD20F11 User Manual

Toshiba MD20F11
70 pages
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SERVICE MANUAL
COLOR TELEVISION/
DVD VIDEO PLAYER
DOCUMENT CREATED IN JAPAN, June, 2005
MD20F11
FILE NO. 140-200517
(MFR’S VERSION B)

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Toshiba MD20F11 Specifications

General IconGeneral
BrandToshiba
ModelMD20F11
CategoryTV DVD Combo
LanguageEnglish

Summary

TOSHIBA SERVICE MANUAL MD20F11

CAUTION AND SAFETY INFORMATION

LASER SYSTEM SAFETY

Precautions regarding the laser system, including exposure and handling.

PREPARATION OF SERVICING

Essential steps and precautions before starting service procedures.

SERVICING NOTICES AND PARTS ORDERING

SERVICING NOTICES ON CHECKING

Important notices and guidelines to follow during servicing and checking.

HOW TO ORDER PARTS

Instructions and required information for ordering replacement parts.

IMPORTANT SAFEGUARDS

REPLACING DVD DECK AND DISC HANDLING

WHEN REPLACING DVD DECK

Procedures and notes for replacing the DVD deck unit.

DISC REMOVAL METHOD AT NO POWER SUPPLY

Steps to manually remove discs without power.

PARENTAL CONTROL AND TRAY LOCK

PARENTAL CONTROL - RATING LEVEL

Instructions for cancelling the 4-digit parental control password.

TRAY LOCK OPERATION

Procedures for setting and unlocking the DVD tray lock.

ABOUT LEAD FREE SOLDER (PbF)

GENERAL SPECIFICATIONS

DISASSEMBLY INSTRUCTIONS

REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS

Steps for disassembling back cabinet, CRT PCB, AV/DVD block, and DVD block.

REMOVAL OF DVD DECK PARTS

Detailed steps for removing tray, traverse, loading motor, and clamper assemblies.

REMOVAL OF ANODE CAP

Procedure for safely removing and discharging the anode cap.

REMOVAL AND INSTALLATION OF FLAT PACKAGE IC

Steps for removing and installing flat package integrated circuits.

SERVICE MODE LIST

CONFIRMATION OF HOURS USED

Method to check and confirm the unit's power-on total hours.

WHEN REPLACING EEPROM (MEMORY) IC

ELECTRICAL ADJUSTMENTS

ADJUSTMENT PREPARATION AND BASIC SETTINGS

Prerequisites, basic settings, OSD access, and initial adjustments.

PICTURE AND VIDEO ADJUSTMENTS

Adjustments for H/V position, size, linearity, white balance, color, tint, contrast, and brightness.

PURITY AND CONVERGENCE ADJUSTMENTS

Procedures for screen purity, static, and dynamic convergence adjustments.

ADJUSTMENT PARTS LOCATION GUIDE

Identifies components and wiring for electrical adjustments.

BLOCK DIAGRAMS

DVD BLOCK DIAGRAM

High-level overview of the DVD system's functional blocks.

TV BLOCK DIAGRAM

High-level overview of the TV system's functional blocks.

POWER BLOCK DIAGRAM

Diagram showing the power supply system's architecture and connections.

PRINTED CIRCUIT BOARDS

DVD PCB LAYOUTS

Visual representation of the DVD PCB, showing top and bottom sides.

AV/CRT PCB LAYOUTS

Visual representation of the AV/CRT PCB, showing inserted and chip parts.

LOADING MOTOR PCB LAYOUTS

Visual representation of the Loading Motor PCB, showing inserted and chip parts.

SCHEMATIC DIAGRAMS

DVD SYSTEM SCHEMATICS

Circuit diagrams for DVD components like MPEG, Memory, and Motor Drive.

AV SYSTEM SCHEMATICS

Circuit diagrams for AV components like MICON, Tuner, CRT, and Sound Amp.

POWER AND MOTOR SCHEMATICS

Circuit diagrams for the power supply and loading motor/switch systems.

INTERCONNECTION DIAGRAM

WAVEFORMS

DIGITAL AND ANALOG SIGNAL WAVEFORMS

Oscilloscope waveforms for MPEG, MICON, DSP, and Audio/Video signals.

SOUND AMP, IN/OUT, AND STEREO WAVEFORMS

Oscilloscope waveforms for Sound Amp, Input/Output, and Stereo signals.

DEFLECTION, POWER, AND CRT WAVEFORMS

Oscilloscope waveforms for Deflection, Power supply, and CRT signals.

MECHANICAL EXPLODED VIEW

PRODUCT PACKAGING DIAGRAM

Diagram illustrating the final product packaging and contents.

DVD DECK EXPLODED VIEW

REPLACEMENT PARTS LISTS

MECHANICAL REPLACEMENT PARTS LIST

A comprehensive list of all mechanical parts for replacement.

DVD DECK REPLACEMENT PARTS LIST

A specific list of replacement parts for the DVD deck assembly.

ELECTRICAL REPLACEMENT PARTS LIST

A comprehensive list of all electrical components for replacement.

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