Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA TV vtv1402b_tmx473a_vmx193a_oec0093a_ovd-6s
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SERVICE MANUAL
COLOR TELEVISION/
VIDEO CASSETTE RECORDER
VTV1402B
SERVICING NOTICES ON CHECKING
1. KEEP THE NOTICES 6. AVOID AN X-RAY
As for the places which need special attentions, Safety is secured against an X-ray by consider-
they are indicated with the labels or seals on the ing about the cathode-ray tube and the high
cabinet, chassis and parts. Make sure to keep the voltage peripheral circuit, etc.
indications and notices in the operation manual. Therefore, when repairing the high voltage pe-
ripheral circuit, use the designated parts and
2. AVOID AN ELECTRIC SHOCK
make sure not modify the circuit.
There is a high voltage part inside. Avoid an Repairing except indicates causes rising of high
electric shock while the electric current is voltage, and it emits an X-ray from the cathode-
flowing. ray tube.
3. USE THE DESIGNATED PARTS 7. PERFORM A SAFETY CHECK AFTER
The parts in this equipment have the specific SERVICING
characters of incombustibility and withstand
Confirm that the screws, parts and wiring which
voltage for safety. Therefore, the part which is
were removed in order to service are put in the
replaced should be used the part which has
original positions, or whether there are the
the same character.
portions which are deteriorated around the
Especially as to the important parts for safety
serviced places serviced or not. Check the
which is indicated in the circuit diagram or the
insulation between the antenna terminal or
table of parts as a mark, the designated
external metal and the AC cord plug blades.
parts must be used.
And be sure the safety of that.
4. PUT PARTS AND WIRES IN THE (INSULATION CHECK PROCEDURE)
ORIGINAL POSITION AFTER
1. Unplug the plug from the AC outlet.
ASSEMBLING OR WIRING 2. Remove the antenna terminal on TV and turn
There are parts which use the insulation on the TV.
material such as a tube or tape for safety, or 3. Insulation resistance between the cord plug
which are assembled in the condition that terminals and the eternal exposure metal
these do not contact with the printed board. [Note 2] should be more than 1M ohm by
The inside wiring is designed not to get closer using the 500V insulation resistance meter
to the pyrogenic parts and high voltage parts. [Note 1].
Therefore, put these parts in the original 4. If the insulation resistance is less than 1M
positions. ohm, the inspection repair should be
required.
5. TAKE CARE TO DEAL WITH THE
[Note 1]
CATHODE-RAY TUBE
If you have not the 500V insulation
In the condition that an explosion-proof cathode- resistance meter, use a Tester.
ray tube is set in this equipment, safety is
secured against implosion. However, when [Note 2]
removing it or serving from backward, it is External exposure metal: Antenna terminal
dangerous to give a shock. Take enough care to Earphone jack
deal with it.
HOW TO ORDER PARTS
Please include the following informations when you order parts. (Particularly the VERSION LETTER.)
1. MODEL NUMBER and VERSION LETTER
The MODEL NUMBER can be found on the back of each product and the VERSION LETTER can be
found at the end of the SERIAL NUMBER.
2. PART NO. and DESCRIPTION
You can find it in your SERVICE MANUAL.
GENERAL SPECIFICATIONS
G-1.Outline of the Product
14 inch(335.4mmV):Measured diagonally
Color CRT 90 degree deflection
2 -Speed 1/2" Video Cassette Recorder
VHS Recorder/Player
VHS-C Player
G-2.VCR Format
VHS Standard NTSC PAL SECAM PAL-M PAL-N
VHS Hi-Fi Audio System
G-3.Video Recording System :Rotary,slant azimuth two head helical scan system
Luminance Component :FM recording
Chrominance Component :Low frequency converted direct recording
G-4.Broadcasting System
U.K. System I
G-5.Color System NTSC PAL SECAM or Monochrome signal
G-6.NTSC Playback(PAL 60Hz) Yes No
G-7.MESECAM Yes No
G-8.Cassette Tape
VHS type video cassette tape Width 12.65mm (1/2 Inch)
VHS-C type video cassette tape Width 12.65mm (1/2 Inch)
G-9.Tape Speed
NTSC or PAL-M PAL or SECAM
SP 33.35 mm/sec SP 23.39 mm/sec
LP 16.67 mm/sec LP 11.69 mm/sec
SLP 11.12 mm/sec
G-10.Recording/Playback Time
NTSC or PAL-M(NTSC Playback Only)
at SP Mode Max. 210 min. (with T-210 cassette)
at LP Mode Max. 420 min. (with T-210 cassette)
at SLP Mode Max. 630 min. (with T-210 cassette)
PAL or SECAM
at SP Mode Max. 300 min. (with E-300 cassette)
at LP Mode Max. 600 min. (with E-300 cassette)
G-11. Deck
OVD-5 OVD-6 OVD-6S
G-12.Rewind/Fast Forward Time(Approx.)
FF: 1'48" / Rew 1'48" ( with T-120 cassette) with E-180 cassette)
G-13.Search Speed
SP 5 and 7 Times(PAL)
LP 7 and 13 Times(PAL)
SP 3 and 5 Times(NTSC)
G-14.Speed
SP Times
LP Times
SLP Times
G-15.Frame Advance
SP Times
LP Times
SLP Times
GENERAL SPECIFICATIONS
G-16.Antenna Input Impedance
VHF/UHF 75 ohm unbalanced
G-17.Tuner and Receiving channel 1Tuner Syatem 2Tuner System
Tuner : Contactless Electric tuner
Oscar(W/O HYPER) Oscar(W/ HYPER) France CATV) Others
Coverage channel
21~ 69
Tuning System
Frequency syn. Voltage syn. Others
G-18.Preset Channel
80 channels
G-19.Intermediate Frequency
Picture(FP) 39.5 MHz MHz MHz
Sound (FS) 33.5 MHz MHz MHz
FP-FS 6.0 MHz MHz MHz
G-20. Stereo/Dual TV Sound
Yes( NICAM GERMAN USA JAPAN) No
G-21.Video Signal
Input Level 1 Vp-p / 75 ohm
Output Level 1 Vp-p / 75 ohm
S/N Ratio 53 dB (Weighted)
Horizontal Resolution at SP Mode 240 Lines
G-22.Audio Signal
Input Level
Line -3.8 dB / 50 Kohm
RCA - dB / - Kohm
Output Level
Line -3.8 dB / 1 Kohm
RCA - dB / - Kohm
(0dB=0.775 V rms)
S/N Ratio at SP Mode 42 dB
Harmonic Distortion : 1.5 % (1KHz)
Frequency Response : at SP Mode 100 Hz ~ 10 KHz
at LP Mode 100 Hz ~ 5 KHz
at SLP Mode Hz ~ KHz
G-23.Heads
Video 2 Rotary Heads
FM Audio Rotary Heads
Audio / Control 1 Stationary Head ( Mono Stereo(L,R) )
Erase 1 Full Track Erase
G-24.Motor: 3 Motors
Tape/Cassette Loading
Cylinder (Direct Drive)
Capstan (Direct Drive)
G-25.Power Source
230~240 V AC 50Hz AC 60Hz
EXT DC Jack V
G-26.Power Consumption: 55 W at AC 230 V 50 Hz
- W at DC - V
(at TV and VCR ON)
Stand by: 6 W at AC 230 V 50 Hz
Per Year: - kWh / Year
GENERAL SPECIFICATIONS
G-27.Dimensions(Approx.) 362 mm(W) 369 mm(D) 382 mm(H)
G-28.Weight(Approx.) Net : 12.5 Kg ( - lbs)
Gross: 14.5 Kg ( - lbs)
G-29.Cabinet Material
Cabinet Front: PS 94HB DECABROM
ABS 94V2 NON-DECA
94V0
Cabinet Rear: PS 94HB DECABROM
ABS 94V2 NON-DECA
94V0
Jack Panel: PS 94HB DECABROM
ABS 94V2 NON-DECA
94V0
G-30.Cassette Loading System: Front Cassette Loading System
Top Loading System
G-31.Tape Counter: Linear Time Tape Counter
G-32.Protector: Power Fuse Dew Sensor
G-33.Regulation
Safety
UL CSA SAA SI CE BEAB
BS NF NEMKO FEMKO DEMKO IEC65
SEMKO NZ HOMOLO SABS CNS SISIR
NOM AS3159 DENTORI UNE GOST NONE
Radiation
FCC DOC FTZ PTT CE SEV
SABA SI NF NZ HOMOLO UNE
CNS CISPR13 DENTORI AS/NZS NONE
X-Radiation
PTB DHHS HWC DENTORI
G-34.Temperature
Operation 5
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