APPENDIX

IR CODES

1.How to Connect

■Connect your wired remote control to the Remote Control port on the TV.

2.Remote Control IR Codes

■Output waveform

Single pulse, modulated with 37.917KHz signal at 455KHz

Tc

T1

Carrier frequency

FCAR = 1/TC = fOSC/12 Duty ratio = T1/TC = 1/3

APPENDIX

■Configuration of frame

1st frame

Lead code

Low custom code

High custom code

Data code

Data code

C0 C1 C2 C3 C4 C5 C6 C7 C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7

Repeat frame

Repeat code

Tf

■Lead code

9 ms

4.5 ms

■Repeat code

0.55 ms

9 ms

2.25 ms

 

■Bit description

Bit ”0”

Bit ”1”

0.56ms

1.12ms

■Frame interval: Tf

The waveform is transmitted as long as a key is depressed.

0.56 ms

2.24 ms

Tf

Tf

Tf=108ms @455KHz

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LG Electronics 32LF20FR, 42LF20FR, 37LH30FR, 37LH20R Remote Control IR Codes, 1st frame, Repeat frame, Bit description
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47LH30FR, 37LH20R, 55LH50YR, 42LF20FR, 32LH30FR specifications

LG Electronics has consistently been a pioneer in the television industry, and their models 55LH50YR, 32LH30FR, 47LH50YR, 42LH30FR, and 37LH20R showcase their commitment to quality, innovation, and versatile technology.

The 55LH50YR is a standout model with a stunning 55-inch screen, delivering Full HD 1080p resolution. This large screen allows for an immersive viewing experience, whether you're watching movies or playing video games. One of its significant features is the LG Intelligent Sensor technology, which optimizes the picture quality based on the lighting conditions in your room. This means users can enjoy vibrant, true-to-life colors regardless of the environment.

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The 47LH50YR, similar to the 55LH50YR but in a slightly smaller size, also boasts Full HD resolution. Its design is sleek and modern, making it an attractive addition to any living room. It features a built-in digital tuner, allowing viewers to access high-definition channels without the need for additional equipment. Integrated speakers produce exceptional sound quality, adding depth to the overall viewing experience.

The 42LH30FR model strikes a balance between size and technology with its 42-inch screen. With features like USB 2.0 connectivity, users can easily play videos, music, and photos directly from external drives. The inclusion of DivX HD support adds versatility, enabling more formats for playback, thus catering to diverse user preferences.

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Each model reflects LG’s unwavering commitment to providing cutting-edge technologies and a superior viewing experience. With various screen sizes and feature sets, these televisions cater to a wide range of consumer needs while maintaining the company's standard of excellence.
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