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Toshiba MW27FP1 User Manual

Toshiba MW27FP1
105 pages
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SERVICE MANUAL
COLOR TELEVISION/
VIDEO CASSETTE RECORDER/
DVD VIDEO PLAYER
MW27FP1
FILE NO. 140-200413
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Toshiba MW27FP1 Specifications

General IconGeneral
BrandToshiba
ModelMW27FP1
CategoryDVD VCR Combo
LanguageEnglish

Summary

Caution and Servicing Preparation

Location of Required Marking

Identifies the location of the rating sheet and safety caution on the unit.

Preparation for Servicing

Details measures for static electricity protection before servicing.

Servicing Notices and Safety Checks

Key Servicing Precautions

Covers notices on handling, parts usage, and CRT tube safety during servicing.

Safety Checks After Servicing

Procedure for insulation resistance check after repairs.

Important Safeguards

General Safety Instructions

Comprehensive list of safety and operating instructions for user protection.

Specific Safeguards (Continued)

Further safety guidelines including servicing, laser beam, and disc handling.

Special Procedures

Tape Removal Method at No Power Supply

Step-by-step guide for removing tape without power.

Disc Removal Method at No Power Supply

Steps to remove a disc without power.

Parental Control and Tray Lock Functions

4-Digit Password Cancellation

Procedure to cancel the stored 4-digit password in Rating Level.

Tray Lock Operation

Instructions for locking and unlocking the tray.

General Specifications Overview

TV, VCR, and DVD System Specifications

Details on TV, VCR, and DVD system parameters.

Tuning System Specifications

Parameters for the tuning system, including broadcasting and intermediate frequency.

General Specifications Details

Signal, Power, and Regulation Details

Specifications for signal levels, power sources, and regulatory compliance.

Environmental Conditions

Details on operating and storage temperature and humidity.

General Specifications: On-Screen Display and Features

On-Screen Display (TV/VCR) Features

Details on menu types, system setup, and control level options.

On-Screen Display (DVD) Features

Details on DVD on-screen menu, picture, sound, and parental controls.

General Specifications: Unit Details

Clock, Timer, and Remote Control Specifications

Specifications for clock, timer functions, and remote control unit.

Unit Features and Accessories

Lists key features of the unit and included accessories.

Interface, Size, and Weight

Details on interface connectors, unit dimensions, and weight.

General Specifications: Packaging and Material

Packaging and Material Specifications

Details on carton, material, and environmental compliance.

Disassembly Instructions: Mechanical and PCB Removal

Back Cabinet and CRT PCB Removal

Instructions for removing the back cabinet and CRT PCB.

TV/DVD/VCR Block and VCR Deck Removal

Steps for removing the main TV/DVD/VCR block and VCR deck.

Disassembly Instructions: VCR Deck Components

Top Bracket and Cassette Holder Assembly Removal

Steps for removing the top bracket and cassette holder assembly.

Cassette Side L/R and Link Unit Removal

Instructions for removing cassette side parts and the link unit.

Disassembly Instructions: VCR Mechanism Parts

Loading Motor and Tension Assembly Removal

Steps for removing the loading motor, worm, and tension assembly.

Disassembly Instructions: VCR Tape Path Components

T Brake Arm and Reel/Idler Gear Removal

Instructions for removing brake arm, reel, and idler gear components.

Disassembly Instructions: VCR Cassette Mechanism

Cassette Opener, A/C Head, and Cylinder Unit Removal

Steps for removing cassette opener, A/C head, FE head, and cylinder unit.

Disassembly Instructions: VCR Drive Components

Capstan DD Unit and Main Cam Removal

Instructions for removing capstan DD unit, main cam, and loading gear.

Disassembly Instructions: VCR Clutch and Guide Post

Clutch Assembly and Cassette Guide Post Removal

Steps for removing clutch assembly, ring spring, and cassette guide post.

Disassembly Instructions: DVD Deck Components

DVD Deck Tray and Main Chassis Assembly Removal

Instructions for removing DVD tray and main chassis assembly.

DVD Deck Gear and Clamper Assembly Removal

Steps for removing DVD deck gears and clamper assembly.

Disassembly Instructions: DVD Deck Sub-Assemblies

Traverse Holder, Switch PCB, and Rack Feed Assembly Removal

Instructions for removing traverse holder, switch PCB, and rack feed assembly.

Disassembly Instructions: DVD Deck Gear and Motor Components

Relay PCB, Gear, and Idler Arm Removal

Steps for removing relay PCB, gears, and idler arm.

Disassembly Instructions: DVD Deck Motor

Feed Motor Removal

Instructions for removing the feed motor and motor gear.

Anode Cap Removal and Installation

Anode Cap Removal Procedure

Steps for safely discharging and removing the anode cap.

Anode Cap Installation Procedure

Steps for cleaning and securely installing the anode cap.

Flat Package IC Removal and Installation

Flat Package IC Removal

Procedure for removing flat package ICs using desoldering tools.

Flat Package IC Installation

Flat Package IC Installation

Steps for installing new flat package ICs and ensuring proper soldering.

Key to Abbreviations

Service Mode List

Preventive Checks and Service Intervals

Confirmation of Hours Used

Procedure to check the unit's total power-on and play/rec hours.

Preventive Checks and Service Intervals (Continued)

Cleaning Procedures for Key Components

Instructions for cleaning audio control head, tape system, and cylinder.

Replacing the EEPROM (Memory) IC

Servicing Tools and Preparation

Servicing Fixtures and Tools

List of specialized tools required for servicing.

Preparation for Servicing

Initial steps to prepare the unit for servicing checks.

Mechanical Adjustments: Core Procedures

Reel Disk Height and Tension Post Position Confirmation/Adjustment

Adjusting reel disk height and tension post position.

Playback Torque Confirmation

Confirming playback torque and back tension torque.

Mechanical Adjustments: Tape Path and Drive

VSR and Reel Brake Torque Confirmation

Confirming VSR torque and reel brake torque.

Tape Running Mechanism and Guide Roller Adjustments

Adjusting tape running mechanism and guide roller.

Mechanical Adjustments: Audio and Tape Tracking

Audio/Control Head and Tape Running Adjustment

Confirming and adjusting audio/control head and tape running.

Mechanical Adjustments: Part Location Guide

Mechanism Adjustment Parts Location Guide

Diagram showing locations of parts for mechanical adjustments.

Electrical Adjustments: Overview and VCR Section

Pre-Adjustment Procedures and On-Screen Display Adjustment

Steps before electrical adjustments and OSD adjustment.

VCR Section: PG Shifter Adjustment

Procedure for adjusting the PG shifter in the VCR section.

Electrical Adjustments: TV Section Adjustments

Constant Voltage, Cut Off, and White Balance Adjustments

Adjustments for constant voltage, cut off, and white balance.

Focus and Horizontal Position Adjustments

Adjustments for focus and horizontal position.

Electrical Adjustments: TV Section (Continued)

Horizontal Size, Vertical Adjustments, and Trapezium

Adjustments for horizontal size, vertical position/size, and trapezium.

Parabola and Corner Correction Adjustments

Adjustments for parabola and corner correction (top/bottom).

Electrical Adjustments: TV Section (Final)

Bright Center, Color Center, and Contrast Adjustments

Adjustments for bright center, color center, and contrast.

Fixed Value Confirmation

Confirmation of fixed values for various electrical adjustments.

Electrical Adjustments: Purity and Convergence

Purity and Convergence Adjustments

Procedures for static and dynamic purity and convergence adjustments.

Electrical Adjustment Parts Location Guide

Wiring Connection Guide

Diagram showing wiring connections for electrical adjustments.

Block Diagrams: System Overview

DVD Block Diagram

Block diagram of the DVD section.

Y/C/Audio/Head Amp Block Diagram

Block diagram of the Y/C, Audio, and Head Amp circuits.

MICON Block Diagram

Block diagram of the MICON (microcomputer) system.

Block Diagrams: Signal Paths

IN/OUT Block Diagram

Block diagram illustrating input and output signal paths.

CHROMA/IF Block Diagram

Block diagram of the Chroma and IF signal processing.

SOUND AMP/SURROUND Block Diagram

Block diagram of the sound amplifier and surround circuits.

HI-FI/DEMODULATOR Block Diagram

Block diagram of the Hi-Fi audio and demodulator circuits.

Block Diagrams: Specific Functions

DIGITAL COMB FILTER Block Diagram

Block diagram of the digital comb filter.

DVD IN/OUT Block Diagram

Block diagram of DVD input and output signal paths.

REGULATOR Block Diagram

Block diagram of the power supply regulator circuits.

TV Block Diagram

Block diagram of the TV section.

Printed Circuit Board Layouts

DVD PCB Layouts (Top and Bottom)

Visual layout of the DVD printed circuit board, top and bottom.

VCR PCB Layouts (Inserted and Chip Parts)

Visual layout of the VCR printed circuit board, solder side.

Printed Circuit Board Layouts (Continued)

CRT/VM Coil and Relay PCB Layouts

Visual layout of CRT/VM coil, relay, and switch PCBs.

Deflection/Operation PCB Layout

Visual layout of the deflection and operation PCBs.

Schematic Diagrams: DVD Section

MPEG/MICON Schematic Diagram

Circuit diagram for the MPEG/MICON IC in the DVD section.

Memory Schematic Diagram

Circuit diagram for the memory components.

RF AMP/DSP Schematic Diagram

Circuit diagram for the RF amplifier and DSP.

Audio/Video Schematic Diagram

Circuit diagram for the audio and video processing.

Schematic Diagrams: VCR Section

Y/C/Audio/Head Amp Schematic Diagram

Circuit diagram for Y/C, Audio, and Head Amp circuits.

MICON Schematic Diagram

Circuit diagram for the MICON control system.

IN/OUT Schematic Diagram

Circuit diagram for input and output signal routing.

CHROMA/IF Schematic Diagram

Circuit diagram for Chroma and IF signal processing.

Schematic Diagrams: Audio and Signal Processing

SOUND AMP/SURROUND Schematic Diagram

Circuit diagram for sound amplification and surround effects.

HI-FI/DEMODULATOR Schematic Diagram

Circuit diagram for Hi-Fi audio and demodulation.

DIGITAL COMB FILTER Schematic Diagram

Circuit diagram for the digital comb filter.

DVD IN/OUT Schematic Diagram

Circuit diagram for DVD input and output signals.

Schematic Diagrams: Power and Control

REGULATOR1 Schematic Diagram

Circuit diagram for the primary regulator.

TV POWER Schematic Diagram

Circuit diagram for the TV power supply section.

DEFLECTION Schematic Diagram

Circuit diagram for the CRT deflection system.

OPERATION Schematic Diagram

Circuit diagram for the unit's operation control.

Schematic Diagrams: CRT and Switching

CRT/SVM Schematic Diagram

Circuit diagram for CRT and SVM signal processing.

RELAY/SW/FG Schematic Diagram

Circuit diagram for relays, switches, and FG.

Interconnection Diagram

Waveforms: Signal Analysis

MPEG/MICON and MEMORY Waveforms

Waveforms for MPEG/MICON and Memory circuits.

RF AMP/DSP and AUDIO/VIDEO Waveforms

Waveforms for RF AMP/DSP and Audio/Video circuits.

Y/C/Audio/Head Amp Waveforms

Waveforms for Y/C, Audio, and Head Amp circuits.

Waveforms: System Signals

MICON and DEFLECTION Waveforms

Waveforms for MICON and Deflection circuits.

SOUND AMP/SURROUND and DVD IN/OUT Waveforms

Waveforms for Sound Amp/Surround and DVD IN/OUT.

Waveforms: Signal Processing

DIGITAL COMB FILTER Waveforms

Waveforms for the digital comb filter.

CHROMA/IF and CRT/SVM Waveforms

Waveforms for Chroma/IF and CRT/SVM signals.

Mechanical Exploded Views: Unit Components

CRT Section Exploded View

Exploded view of the CRT unit and associated parts.

Mechanical Exploded Views: Sub-Assemblies

VCR and Operation PCB Exploded Views

Exploded views of VCR and Operation PCBs.

Deflection PCB Exploded View

Exploded view of the Deflection PCB.

Mechanical Exploded View: Packing Diagram

Chassis Exploded Views

Chassis Exploded View (Top View)

Detailed exploded view of the chassis from the top.

Chassis Exploded View (Bottom View)

Detailed exploded view of the chassis from the bottom.

DVD Deck Exploded View

Mechanical Replacement Parts List

Chassis Replacement Parts List

DVD Deck Replacement Parts List

Electrical Replacement Parts List: Components

Resistors, Capacitors, and Diodes

List of replacement resistors, capacitors, and diodes.

Diodes (Continued)

List of replacement diodes.

Transistors

List of replacement transistors.

Electrical Replacement Parts List: Continued

Coils, Transformers, Switches, and Variable Resistors

List of replacement coils, transformers, switches, and variable resistors.

PC Board Assemblies and Miscellaneous Parts

List of replacement PCB assemblies and miscellaneous items.

Electrical Replacement Parts List: Miscellaneous

Miscellaneous Parts (Continued)

List of miscellaneous replacement parts.

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