Toshiba MV13K2R - User Manual

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Overview

Function Description
Important Technical Specifications
Usage Features
Maintenance Features

This document is a service manual for a Toshiba Color Television/Video Cassette Recorder, model MV13K2R.

Function Description

The MV13K2R is a combined color television and video cassette recorder. It is designed to receive and display television broadcasts, as well as record and playback video cassettes. The device supports both NTSC and PAL/MESECAM broadcasting systems, making it versatile for different regions. It includes a built-in tuner for receiving VHF/UHF signals and a VHS-C type video cassette recorder for recording and playback. The unit features a stereo sound system and offers various input/output terminals for external connections.

Important Technical Specifications

General:

Product Outline: 13-inch (335.4 mm) color television with a 90-degree deflection CRT.
Color CRT: 1/2" Video Cassette Recorder.
VCR Format: VHS Standard, VHS-C type video cassette tape.
Video Recording System: Rotary, slant azimuth two head helical scan system with FM recording.
Luminance Component: Low frequency converted direct recording.
Broadcasting System: NTSC, PAL, SECAM or Monochrome signal.
NTSC Playback: PAL (60Hz) capable.
MESECAM: Supported.
Cassette Tape: VHS type video cassette tape (width 12.65mm, 1/2 inch) and VHS-C type video cassette tape (width 12.65mm, 1/2 inch).
Tape Speed:
- NTSC or PAL-M: SP (33.35 mm/sec), LP (16.67 mm/sec), SLP/EP (11.12 mm/sec).
- PAL or SECAM: SP (23.39 mm/sec), LP (11.69 mm/sec).
Recording/Playback Time:
- NTSC or PAL-M: SP (210 min with T-210 cassette), LP (420 min with T-210 cassette), SLP/EP (630 min with T-210 cassette).
- PAL or SECAM: SP (300 min with E-300 cassette), LP (600 min with E-300 cassette).
Deck: 5-pin OVD-5, 6-pin OVD-6.
Rewind/Fast Forward Time: Approximately 145 seconds with T-120 cassette (or E-180 cassette).
Search Speed: 3 and 5 times (SP), 9 and 15 times (LP/EP).
Slow Speed: SP, LP, SLP/EP.
Frame Advance: SP, LP, SLP/EP.
Antenna Input Impedance: 75 ohm unbalanced for VHF/UHF.
Tuner and Receiving Channel: 1 Tuner System, 2 Tuner System, BS Tuner, Contact less Electric tuner, Oscar (W/O HYPER), Oscar (W/ HYPER), France CATV, Others.
Channel Coverage: 2~69, 4A~, A-5~, A-1, J=W, W+1~W+84.
Tuning System: Frequency syn., Voltage syn., Others.
Preset Channel: 2 channels.
Intermediate Frequency: Picture (45.75 MHz), Sound (41.25 MHz), V-P/S (4.50 MHz).
Stereo/Dual TV Sound: YES/NICAM, GERMAN, JAPAN, JAPAN BS, No.
Video Signal:
- Input Level: 1 Vp-p / 75 ohm.
- Output Level: 1 Vp-p / 75 ohm.
- S/N Ratio: 50 dB (Weighted).
- Horizontal Resolution at SP Mode: 220 Lines.
Audio Signal:
- Input Level: Line (- dB / - Kohm), RCA (- 8 dB / 50 Kohm).
- Output Level: Line (- dB / - Kohm), RCA (0dB=0.775 V HITS).
- S/N Ratio at SP Mode: 38 dB.
- Harmonic Distortion: 1.5 % (1KHz).
- Frequency Response: SP (100 Hz ~ 10 KHz), LP (100 Hz ~ 4 KHz), SLP/EP (100 Hz ~ 4 KHz).
Hi-Fi Model's Spes: NONE.
Heads: 2 Rotary Heads (Video), 1 Stationary Head (Audio/Control), 1 Full Track Erase (Audio/Control).
Motor: 3 Motors.
Tape/Cassette Loading: Cylinder (Direct Drive), Capstan (Direct Drive).
Power Source: 120 V AC 50Hz, 60Hz.
Power Consumption: 70 W at AC 120 V 60 Hz (Approx.), 5 W at AC 120 V 60 Hz (Approx.) (Stand by).
Dimensions: 362 mm(W) x 369 mm(D) x 382 mm(H).
Weight: Net 12.5 kg (27.6 lbs), Gross 14.5 kg (32.0 lbs).
Cabinet Material: PS, ABS.
Cabinet Front: 94HB, 94V0.
Cabinet Rear: 94HB, 94V0.
Jack Panel: 94HB, 94V0.
Cassette Loading System: Front Cassette Loading System, Top Loading System.
Tape Counter: Linear Time Tape Counter.
Protector: Power Fuse, Dew Sensor.
Regulation Safety: UL, CSA, SAA, SI, CE, SEV, BS, DEMKO, NEMKO, SEMKO, UNE, IEC65, NOM, NZ, DENTORI, SRAS, GOST, NONE, AS3159.
Radiation: FCC, DOC, SI, PTZ, CE, SEV, SABA, CISPR13, ONZ, HOMOLO, UNE, X-Radiation, DHHS, HWC, PTB, DENTORI, NONE.
Temperature: Operation (5 °C ~ 40 °C), Storage (-20 °C ~ 60 °C).
Humidity: Less than 80 %RH.
Clocking Timer: Calendar (1990/1/1 ~ 2089/12/31), Built-in (1 Month), 8 Events Programmable Timer.
One Touch Recording: Max Time (5 Hours).
Sleep Timer: Yes (Max 120 Min, 10 Min. Step), No.
On/Off Timer: Yes (1 Programs), No.
Wake Up Timer: Yes (1 Programs), No.
Auto Shut Off: 15 Minutes.
Terminals: VHF/UHF Antenna Input, Din Type, F-Type, France Type.
- Front Video Input-RCA (08.3), Front Audio Input-RCA (08.3).
- Rear Video Input-RCA (08.3), Rear Audio Input-RCA (08.3).
- Rear Video Output-RCA (08.3), Rear Audio Output-RCA (08.3).
- Ear Phone Jack (3.5).
- Head Phone Jack (Stereo & Mono, Ø3.5).
- DC Jack 12V (Center +).
- AC Inlet.
- Ext Speaker.
- Diversity.
- Ear Phone.
- 21 Pin (x_).
Indicator: Power (Red), Rec/OTR (Red), T-Rec (Red), On Timer, CS, NONE.
On Screen Display: Menu, Timer Rec Set, TV/CATV, Auto Ch Memory, Ch Set Up, Add/Delete, Guide Ch Set, TV Set Up, Chip Set, On/Off Timer, Picture, Audio, Auto Repeat On/Off, Sap On/Off, System Set Up, Clock Set, Calendar, 12H, 24H, Language, Auto Clock On/Off, Standard Time, Daylight Saving Time.
G-CODE (for SHOWVIEW or PLUSCODE): No Entry.
Clock/Date: Yes, CH/AV.
Tape Counter: Tape Speed, Tape In.
Control Level: Vol, Bright, Cont, Color, Tint, Sharpness.
Control Level (Vol, Bright, Cont, Color, Sharpness): Play/Stop/FF/Rew/Rec/OTR/T-Rec/Pause/Eject/Symbol Mark.
Auto Tracking/Manual Tracking: Option/Text 1/2, Repeat.
Index: Wide, Normal/Wide On/Off.
Add/Delete: Picture Position.
Tone 1/2: Stereo.
Muting: Supported.
OSD Language Setting: Eng, Ger, Fre, Spa, Ita, Por, Jan, Not Applicable.
Speaker: Front, Side, Bottom.
Size: 5 x 5 inches.
Output: 4 ohm x 2 pcs.
Max: 4 W.
10%: 1.0 W (Typical).
EXT Speaker: Yes, W, Imp, ohm, No.
Master Carton: Need, No Need.
Content: Set, Corrugated Carton.
Dimensions: mm(W) x mm(D) x mm(H).
Description of Origin: Yes, No.
Gift Box: Double/Brown Corrugated Carton (with Photo Label), Double/White Corrugated Carton (with Photo Label), Double Full Color Carton W/Photo.
Dimensions: 423 mm(W) x 447 mm(D) x 443 mm(H).
Design: As Per BUYER'S.
Description of Origin: Yes, No.
Drop Test: Natural Dropping A1 Corner / 3 Edges / 6 Surfaces.
Height: 76cm, 31cm, 46cm, 62cm, 80cm.
Container Stuffing: 700 Sets / 40' container.
Accessories: Channel Film, Dew/AHC Caution Sheet, Owner's Manual (W/Guarantee Card) [English], AC Plug Adaptor, Remote Control Unit, DIN Type (France Type), Rod Antenna, One Pole, Two Pole/DF-Type, Quick Set-up Sheet, Loop Antenna (DF-Type), DIN Type (France Type), Battery (UM-4 x 2), V Mixer, DC Cord (Center+), Guarantee Card (SAC Card), Warning Sheet, AV Cord (2Pin-1Pin), Circuit Diagram, Registration Card, Antenna Change Plug, PTB Sheet, Service Facility List, 300 ohm to 75 ohm Antenna Adaptor, Important Safeguard, Euro Warranty Information Sheet, ESP Card.
Other Features: Auto Head Cleaning, Index Search, Auto Tracking, Auto Search, Auto Clock, SHOWVIEW PLUS+ (SHOWVIEW, G-CODE), VHQ (VHS Standard High Quality), Auto Power On, Auto Play, Auto Rewind, Auto Eject, Soft Rewind / Reverse Picture Search, CATV, One Touch Playback, CM Skip (30sec x 6 times), Auto CH Memory, Energy Star, Closed Caption, TV Monitor, TV Auto Shut off Function, End Call, Chip (USA), CANADA, SAP.
Switch: Power, Channel Up, Volume Up, Play, Channel Down, Volume Down, Pause/Still, FWD/Rec, Rew/Rec, System Select, Stop/Eject, Rec/OTR, One Touch Playback, Main Power SW, Input Select, Color On/Off (MESECAM only), Degauss, AC/DC.
Magnetic Field: BV (+0.45G, +0.30G, +0.25G), BH (0.18G, 0.30G, 0.30G), BV (0.30G, 0.25G, 0.50G), BH (0.15G, 0.15G, 0.30G).
Remote Control Unit: RC-DA, Format (NEC), Custom Code (40-BF/44-BB), Glow in Dark Remocon, Power Source (DC 3 V), Battery (UM-4 x 2).
Total Keys: 41.
Remote Control Functions: 0-9, Power, Tracking Auto, Rec/OTR, Tracking Up/Set +, Fwd, Tracking Down/Set -, Play, Menu, Stop, Enter, Pause/Still, Cancel, Eject, Muting, Timer Rec, Volume Up, TV/Option/Text, Volume Down, Index, Set Up, Sleep Timer, Ch Down, Quick View, Count/Reset, Input Select, OTR/TV, CM Skip (Skip Search), Display, Call, Program (without V+), Audio Select (for Hi-Fi), VCR PLUS+/Program (with V+).

Usage Features

The MV13K2R offers a user-friendly experience with several convenience features:

On-Screen Display (OSD): Provides an intuitive interface for adjusting settings such as volume, brightness, contrast, color, tint, and sharpness. It also allows for setting up channels, timers, and other system preferences.
Programmable Timer: The built-in timer can be programmed for up to 8 events, allowing users to schedule recordings or turn the TV on/off at specific times. It also includes a sleep timer and a one-touch recording function.
Multi-System Compatibility: Supports NTSC, PAL, and MESECAM broadcasting systems, making it suitable for use in various regions.
Remote Control: A comprehensive remote control unit (RC-DA) is included, providing access to all major functions, including playback controls, channel selection, volume adjustment, and on-screen display navigation.
Auto Head Cleaning: The device features an automatic head cleaning mechanism to ensure optimal playback and recording quality.
Auto Tracking: Automatically adjusts tracking for optimal video playback.
Closed Captioning: Supports closed captioning for accessibility.
Energy Star Compliance: Designed to be energy efficient.
Multiple Input/Output Terminals: Includes VHF/UHF antenna input, RCA video and audio input/output, earphone jack, and external speaker output for versatile connectivity.

Maintenance Features

The service manual provides detailed instructions for maintenance and repair, including:

Disassembly Instructions: Step-by-step guides for removing mechanical parts, P.C. boards, and deck parts, complete with diagrams and warnings about high voltage.
Preventive Checks and Service Intervals: A schedule for routine maintenance tasks to ensure optimal performance and longevity of the device. This includes cleaning the audio control head, pinch roller, capstan belt, loading motor, tension band, capstan shaft, tape running guide post, and cylinder unit at specified intervals (500, 1,000, 1,500, 2,000, and 3,000 hours).
Cleaning Procedures: Specific instructions for cleaning the audio control head, tape running system, and cylinder using isopropyl alcohol and chamois.
Confirmation of Using Hours: Instructions on how to check the total power-on hours and play/rec total hours displayed on the screen, which is crucial for determining when preventive checks are due.
Note for Replacing Memory IC: Detailed steps for replacing the memory IC, including a table of initial data settings and instructions for setting the correct data after replacement.
Servicing Fixtures and Tools: A list of specialized tools required for servicing, such as alignment tape, back tension cassette gauge, torque cassette gauge, taper nut driver, VTR cleaning kit, VTR lubrication kit, grease, X value adjustment screwdriver, cable, and tentelometer.
Mechanical Adjustments: Instructions for adjusting reel disk height, VSR torque, brake torque, tape running, and audio/control head.
Electrical Adjustments: Procedures for adjusting various electrical parameters, including RF AGC, constant voltage, cut off, white balance, focus, RF AGC, horizontal, vertical, and OSD settings.
Purity and Convergence Adjustments: Detailed steps for adjusting purity and convergence, including static and dynamic convergence.
Circuit Diagrams: Comprehensive schematic diagrams for various sections of the television/VCR, including TV block diagram, Y/C/Audio/Head Amp, Micon/Operation/Deck, In/Out, Chroma/I/F, Sound Amp, TV Power, Deflection, CRT, Operation, Deck, and Interconnection diagrams.
Waveforms: Illustrations of expected waveforms at various test points in the circuit diagrams, aiding in troubleshooting.
Mechanical Exploded View: Diagrams showing the exploded views of the chassis and other mechanical components, along with part numbers and descriptions for easy identification and replacement.
Replacement Parts Lists: Detailed lists of mechanical and electrical replacement parts, including resistors, capacitors, diodes, ICs, transistors, coils & transformers, jacks, switches, variable resistors, PCB assemblies, and miscellaneous parts, with their respective part numbers and descriptions.

This manual is an essential resource for technicians and service personnel involved in the repair and maintenance of the Toshiba MV13K2R television/VCR.