? ? 一、Product Overview

The LCD TV training device is suitable for teaching and training courses such as "Principles and Maintenance of LCD Color TV" and "Maintenance Training of LCD Color TV" in processing and manufacturing electronic and electrical appliance application and maintenance majors of higher and secondary vocational and technical colleges, as well as information technology electronic technology application majors. The 32 inch LCD TV training device is also suitable for internships in the "LCD Color TV Maintenance" course for electronic majors in technical schools. It can also be used as a training and assessment equipment for vocational skill appraisal departments and vocational training institutions' intermediate and advanced classes in home appliance maintenance.

二、Technical Parameter

1. Technical parameters of LCD TV:

1) Display size: 32; 2) Contrast: 600: l 3) Resolution: 1366 × 768; 4) Reaction time:<16ms; 5) Screen brightness: 1000cd/m2; 6) Perspective:>160 degrees; 7) Screen aspect ratio: 16:9; 8) Format: NTSC/PAL/SECAM; 9) Input: YpbPr; YcbCr; 10) Audio: SRSWOW 3D spatial surround sound effect; 11) Working power supply: AVll0-240V 50/60Hz; 12) Color count: 16.77 million; 13) Pixel: 16.77 million.

2. Power configuration of the training platform:

1) Fixed AC power supply: rated voltage 220V; Rated current 6A;

2) Adjustable AC power supply: voltage range 0~250V, rated current 1A;

3) DC power output: 0-30V, 0-2A (continuously adjustable);

4) AC power supply: One set of two plug isolated power sockets, and one set of two plug conventional power sockets;

5) I/O communication board: setting fault points;

6) Set fault points: Set equipment faults;

7) Insulation resistance: ≥ 10M Ω;

8) Dielectric strength: 1500V/60s;

9) Leakage protection action current: ≤ 30mA, ≤ 0.1 s.

3. Overall parameters of the training table:

1) Input power supply: AC 220V ± 10% 50Hz;

2) External dimensions: length (mm) x width (mi) x height (mm)=1500 × seven hundred × 780;

3) Training platform material: The main board is melamine board;

4) Working temperature: 0-35 ℃;

5) Working humidity: 20%~80%。

三、Practical training projects

1) The basic structure and working principle of the main components in LCD TV

2) Understand the composition of the main unit circuits of LCD televisions and understand their basic working principles

3) Measurement and Analysis of Electronic Tuners

4) Measurement and analysis of remote control and local keyboard control

5) Measurement and Analysis of Video Signal Processing Process

6) Measurement and analysis of audio signal processing process

7) Measurement and analysis of AD analog-to-digital conversion control

8) Measurement and Analysis of Switching Voltage Stabilizer Circuit

9) Measurement and Analysis of Inverter Backlight Drive Circuit

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