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Toshiba MV13M2 - User Manual

Toshiba MV13M2
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SERVICE MANUAL
COLOR TELEVISION/
VIDEO CASSETTE RECORDER
FILE NO. 140-200125
MV13M2
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Toshiba MV13M2 Specifications

General IconGeneral
BrandToshiba
ModelMV13M2
CategoryTV VCR Combo
Screen Size13 inches
Screen TypeCRT
TunerNTSC
Remote ControlYes
InputsComposite

Summary

Servicing Notices on Checking

Avoid Electric Shock

Warning about high voltage parts inside the equipment.

Use Designated Parts

Emphasizes using parts with specific safety characteristics for replacements.

Avoid X-Ray Emission

Guidance on repairing high voltage peripheral circuits to prevent X-ray emission.

Perform Safety Check After Servicing

Procedures for ensuring safety after repairs, including insulation checks.

Tape Removal Method at No Power Supply

Disassembly Instructions

CRT PCB Removal

Instructions for safely removing the CRT PCB, including discharge precautions.

Deck Chassis and Syscon PCB Removal

Steps for removing the deck chassis and the Syscon PCB.

Disassembly Instructions (Continued)

Removal of Deck Parts

Detailed steps for removing various deck parts like brackets, cassette holder, and link units.

Loading Motor;Worm and Tension Assy Removal

Procedures for removing the loading motor, worm, tension assembly, and related parts.

T Brake Arm;Band and Reel;Idler Assy Removal

Instructions for removing the T brake arm, band, S/T reels, and idler arm assembly.

Cassette Opener;Pinch Roller and A;C Head Removal

Steps for removing the cassette opener, pinch roller block, P5 arm, and A/C head.

Capstan DD Unit and Main Cam;Pinch Roller Cam Removal

Instructions for removing the capstan DD unit, main cam, and pinch roller cam.

Clutch Assy;Lever;Gear and Cassette Guide Post Removal

Procedures for removing the clutch assembly, levers, gears, and cassette guide post.

Anode Cap Removal and Installation

Detailed steps for safely removing and installing the anode cap, including discharge.

Flat Package IC Removal

Instructions for removing a flat package IC using desoldering equipment.

Flat Package IC Installation

Steps for correctly installing a flat package IC, including soldering and checks.

Service Mode List

Service Mode Functions

List of available service modes and their corresponding operations.

Preventive Checks and Service Intervals

When Replacing EEPROM (Memory) IC

EEPROM Data Setting Procedure

Steps to ensure correct data settings when replacing the EEPROM IC.

Mechanical Adjustments

Reel Disk Height and Tension Post Adjustment

Procedures for confirming and adjusting reel disk height and tension post position.

Playback and Back Tension Torque Confirmation

Steps to confirm playback and back tension torque using a torque tape.

Mechanical Adjustments (Continued)

VSR Torque and Reel Brake Torque Confirmation

Procedures for confirming VSR and reel brake torque for S and T reels.

Audio;Control Head Confirmation and Adjustment

Steps to confirm and adjust the audio/control head for optimal performance.

Electrical Adjustments

Basic Adjustments (VCR Section)

Adjustment procedures for the VCR section, including PG shifter and VCO freerunning.

Electrical Adjustments (Continued)

RF AGC, Constant Voltage, Cut Off, and White Balance Adjustments

Procedures for adjusting RF AGC, constant voltage, cut off, and white balance.

Focus, Horizontal Phase, Vertical Shift, Vertical Size, Sub Brightness, Sub Contrast

Adjustments for focus, horizontal phase, vertical parameters, brightness, and contrast.

Purity and Convergence Adjustments

Static Convergence (Rough Adjustment)

Initial steps for static convergence using magnets and deflection yoke.

Purity Adjustments

Procedures for adjusting purity magnets to center colors on the screen.

Static Convergence (Fine Adjustment)

Fine-tuning static convergence using pole magnets.

Dynamic Convergence Adjustments

Steps for performing dynamic convergence adjustments using wedges.

Mechanical Exploded View

Chassis Exploded View (Top View)

Chassis Exploded View (Bottom View)

TV Block Diagram

Y;C, Audio, CCD;Head Amp Block Diagram

MICON;AV;IN;OUT Block Diagram

In;Out Schematic Diagram (Syscon PCB)

AV Schematic Diagram (Syscon PCB)

Chroma;IF Schematic Diagram (Syscon PCB)

Sound Amp Schematic Diagram (Syscon PCB)

Power Schematic Diagram (Syscon PCB)

Deflection Schematic Diagram (Syscon PCB)

CRT Schematic Diagram (CRT PCB)

Interconnection Diagram

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