Understanding LCD Television

Understanding LCD Television
Scientech 2651B

Product Description

Scientech 2651B Understanding LCD Television is a comprehensive training platform to learn the operation of LCD Television receiver. It is demonstrator cum training system specifically designed for the comprehensive practical study on LCD TV engineering for the beginners with a basic knowledge of the various electronic building blocks and fundamentals of communication system.

This didactic product develops the sense of investigation within the student and familiarises him with repair/design techniques. One of the main features of this training system is fault simulation to educate on actual fault finding, by simulating faults on this platform. The complete block diagram of LCD TV system is printed on the mimic. Finally this equipment allows us to do experiments and to observe waveforms/signals/voltages of different sections, which are guided thoroughly by theory and product tutorials to gain in-depth knowledge of the system.

Scientech 2651B, Understanding LCD Television is an ideal platform to enhance education, vocational training, skills & development amongs our young minds.

Product Features

  • Superior quality 19-inch HD LCD Color Television/ PC Monitor
  • Manual and Remote control operation
  • PAL/ NTSC video formats
  • Composite video input/ VGA input
  • Complete block diagram of a LCD TV system on-board
  • The different circuit sections of LCD TV are exposed on a PCB
  • Easy identification of different parts and components of the system at a glance
  • Easy measurement of voltages and observation of waveforms on test points
  • Soldering free fault creation and troubleshooting
  • Online Product Tutorial

Scope of Learning

  • Study the specifications of HD LCD Television

  • Study the block diagram and operating principle of LCD TV

  • Study the functions of front panel controls/ keys of LCD TV

  • Study the functions of controls on Remote

  • Study of circuit description and functions of different sections

  • Study and observation of waveforms/signals of different sections

  • Study and measurement of voltages of different sections

  • Study of switch faults and troubleshooting in different sections

Technical Specification


Display Type
Screen Size
19 Inch 
Display Resolution
1280 (H) X 1024 (V) pixels resolution
Contrast Ratio
Dynamic Contrast Ratio (1000:1)
400 cd/m2 brightness
Viewing Angle
160(H) X 160(V)
Refresh Rate
60 Hz
Video Interface
Video Input/ VGA input
Audio Interface
Audio Output Power
5W X 2
Receiving System
Channel Coverage
VHF-2-12; UHF21-69; CATV (X~Z+2, S11S41)
Antenna Impedance
75Ω Unbalanced
Color Television/ PC Monitor


1 X USB 2.0 (MPEG, JPEG, MP3)
Yes (1 X HDMI)
Other Connectivity
 AV In, VGA In, VGA Audio In, AV Out
Composite A/V
Component Video
Analog Audio
Test Points
50 nos
Switched Faults
50 nos
Remote Battery
UM-4, “AAA” 1.5V (2 nos)
Mains Supply
110-260V AC ± 10%, 50/60Hz
Power Consumption
11 Kg (approximately)
W430 X D252 X H82
Product Tutorial
Online (on www.ScientechLearning.com)
Included Accessories
Remote, Mains cord , 34 Pin FRC cable, 15 Pin D type cable, 4 Pin High voltage cable each 1 no.

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