EasyManua.ls Logo

Toshiba MD20Q41 User Manual

Toshiba MD20Q41
82 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
SERVICE MANUAL
COLOR TELEVISION/
DVD VIDEO PLAYER
DOCUMENT CREATED IN JAPAN, February, 2005
MD20Q41
MD20Q41C
FILE NO. 140-200505
(MFR’S VERSION A)
Question and Answer IconNeed help?

Do you have a question about the Toshiba MD20Q41 and is the answer not in the manual?

Toshiba MD20Q41 Specifications

General IconGeneral
Screen Size20 inches
DVD PlayerYes
Aspect Ratio4:3
Audio Output2 x 3W
Resolution800 x 600
Display TechnologyCRT
USB PortNo
Built-in SpeakersYes
Power Consumption65W
InputsComposite Video, S-Video, RF
OutputsComposite Video, Audio
DVD FormatsDVD, DVD-R, DVD-RW, CD, CD-R, CD-RW

Summary

Service Manual

Caution and Safety Information

Preparation of Servicing

Safety precautions for servicing, focusing on static electricity and laser systems.

Location of Required Marking

Identifies the placement of safety and rating labels on the unit.

Servicing Notices on Checking

How to Order Parts

Details required information for ordering replacement parts.

Important Safeguards

When Replacing DVD Deck

Disc Removal Method at No Power Supply

Procedure for manually removing a disc when the unit is powered off.

Parental Control and Tray Lock

Tray Lock Operations

Instructions for setting and clearing the tray lock feature.

About Lead Free Solder (PbF)

General Specifications

TV and DVD System Specifications

Details technical specifications for TV and DVD components and functions.

On-Screen Display Features

Lists available menus and settings controllable via the on-screen display.

Remote Control and Accessories

Details specifications for the remote control and included accessories.

Disassembly Instructions

Removal of Mechanical Parts and P.C. Boards

Step-by-step guide for disassembling the unit's mechanical and electronic components.

Removal of Anode Cap

Procedure for safely removing the CRT anode cap, including discharge steps.

Flat Package IC Removal and Installation

Detailed instructions for removing and installing surface-mount ICs.

Service Mode List

Confirmation of Hours Used

Explains how to check the total operating hours of the unit.

When Replacing EEPROM (Memory) IC

Electrical Adjustments

Basic Adjustments

Covers essential calibration procedures like Constant Voltage, Focus, and Cut Off.

White Balance and Color Adjustments

Details steps for adjusting white balance, color, and tint for picture quality.

Purity and Convergence Adjustments

Procedures for correcting color purity and alignment on the CRT display.

Electrical Adjustment Parts Location Guide

Identifies locations of components relevant to electrical adjustments.

Block Diagrams

DVD Block Diagram

Illustrates the functional blocks and interconnections within the DVD section.

TV Block Diagram

Illustrates the functional blocks and interconnections within the TV section.

Power Block Diagram

Shows the power supply circuit blocks and their relationships.

Printed Circuit Boards

DVD PCB Layout

Shows the component placement and routing on the DVD printed circuit board.

AV/CRT PCB Layouts

Shows component placement and routing for AV and CRT sections.

Loading Motor/SW PCB Layout

Shows component layout for the loading motor and switch PCBs.

Schematic Diagrams

MPEG/MICON/DSP Schematic

Detailed circuit diagram for the MPEG, MICON, and DSP sections.

CRT Schematic Diagram

Detailed circuit diagram for the CRT display section.

Power Schematic Diagram

Detailed circuit diagram for the power supply unit.

Waveforms

Waveforms for MPEG, Memory, and Tuner

Displays typical waveforms for signal analysis in MPEG, Memory, and Tuner circuits.

Waveforms for Audio/Video and VIF/SIF/Chroma

Displays typical waveforms for signal analysis in Audio/Video and VIF/SIF/Chroma circuits.

Waveforms for Sound, Stereo, and In/Out

Displays typical waveforms for signal analysis in Sound, Stereo, and In/Out circuits.

Waveforms for Deflection, CRT, and Power

Displays typical waveforms for signal analysis in Deflection, CRT, and Power circuits.

Mechanical Exploded Views

CRT and Front Panel Assembly View

Exploded diagram showing parts of the CRT and front panel assembly.

DVD Deck and PCB Assemblies View

Exploded diagram showing parts of the DVD deck and PCB assemblies.

Packing Diagram View

Diagram illustrating how the unit is packed for shipping.

DVD Deck Exploded View

Replacement Parts Lists

Mechanical Replacement Parts List

Lists mechanical components with their location, TSB P/N, and reference numbers.

DVD Deck Mechanical Parts List

Lists mechanical components specific to the DVD deck.

Electrical Replacement Parts List

Lists electrical components with their location, TSB P/N, and reference numbers.

Related product manuals