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Experimental Training Equipments-> Televison Trainers Dynamic Demonstrators

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BLACK AND WHITE TV DYNAMIC DEMONSTRATOR

Introduction:

Black and White TV Dynamic Demonstrator is a comprehensive trainer. In this trainer all importance has been given to understand the practical aspects of television receiver. All these circuits are mounted on a single PCB. Hence all wiring mistakes are totally eliminated. Therefore the performance of the trainer will be greatly enhanced. However performance of our TV trainer may vary in operation compared to commercial TV Receivers. You must make your own arrangement for erecting antenna at your place. Our Manual is very descriptive giving details to conduct experiments, like trouble shooting, identifying faulty sections by simulating faults through SPDT switches etc.,

Technical Specifications:

CCIR Standards:
Lines :	625
Picture IF :	38.90 MHz
Sound IF :	33.40 MHz
Video Band Width :	6 MHz
Inter carrier sound IF :	5.5 MHz
Channels :	100
Band III :	5 to 12
Aspect Ratio :	4:3

Types of Modulation

Picture :	Amplitude Modulated
Sound :	Frequency Modulated
Name of Section :	Tuner, Horizantal, vertical, vision, sound & EHT
Power Supply :	SMPS
EHT unit :	BD 115 and BU 205
Video output :	BD 114.transistor
Vertical output :	IC 2130
Horizontal oscillator :	IC CA 920
Vision IF :	IC CA 3068
Tuner :	Electronic Tuning
Sound IF and Audio :	IC 1190

Test points and controls are available at the respective points in the stage-wise and circuit Diagrams of each section are printed on the PCB.

Housing:	It is housed is an elegant metal cabinet
Dimension:	134cms x 37.5cms x 48.5cms (This is subject to charge without notice)
Weight:	(Approx.) 35KGS
Power:	230VAC - Mains operated

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COLOUR TV DYNAMIC DEMONSTRATOR SPECIFICATION

Introduction:

LAB Colour TV Dynamic Demonstrator is a comprehensive trainer. In this trainer all importance has been given to practical study of various parameters. All these circuits are mounted on a single PCB. Hence all wiring mistakes are totally eliminated. Therefore the performance of all trainer will be greatly enhanced.

NOTE: However performance of our TV trainer may vary in operation compared to commercial TV Receivers. You must make your own arrangements for erecting antenna at your college.

INSTRUCTION MANUAL: Our Manual is very descriptive giving details to conduct experiments, like trouble shooting, identifying faulty sections by introducing faults.

Housing:	It is housed is an elegant cabinet
Dimension:	139cms x 52cms x 48.5cms
Weight:	(Approx.) 50 KGS
Power:	230VAC - Mains operated

SPECIFICATION OF COLOUR TV RECEIVER

1.	Receiving System :	CCIR B/G
2.	Colour Receiving System :	PAL & NTSC-PLAY BACK
3.	Receiving Channels:	VHF-Low : Ch 2-4 VHF-High : Ch 5-12 VHF : Ch 21-69 Tuner : Hyperband
4.	Picture Tube :	36 cm, 90 degree Deflection
5.	Antenna Input Impedance :	75 OHMS, Unbalanced
6.	Speaker :	3" 5", 16 Ohms, 2 pcs
7.	Sound Output :	30W PMPO
8.	Audio/Video/Input/Output Terminals :	Audio input/output. Level 500m Vrms Impedance 30 KOhms Video Input/Output level 1.0V p-p, 75 Ohms Unbalanced (Composite Video Signal, Sync-negative)
9.	Power Requirement :	AC 220V, 50Hz (Regulation Range 160V to 270 AC)
10.	Power Consumption :	80W (Max)
11.	Remote Control :	Volume, channel selection, MENU (Volume, Brightness, Contrast, Colour)
12.	Controls :	TV/AV ASAM (Auto search, Auto Memory) MENU (Brightness, Contrast, Colour) VOLUME PROGRAMME (Channel select)

DIMENSION :	110 x 51 x 57 cms
WEIGHT :	50KGS

(These specifications are subject to change without notice)

SALIENT FEATURES:

Block diagram of T.V. is screen printed on the front panel in multi colour.
Necessary Jacks to measure voltages and waveforms are provided on the surface of the PCB.
15 Faults can be simulated.
No Desoldering/Soldering required to simulate defect
Works as normal T.V. when the controls are normal.
Picture Tube is fixed in the cabinet.
Detailed circuit diagram given in the Instruction Manual which explains in details section wise/Alignment.
Dust Cover is provided.

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