Ir codes, How to connect, Remote control ir codes – LG 50PJ350 User Manual

Page 113: Appendix, Configuration of frame, Lead code, Repeat code, Output waveform

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APPENDIX

112

APPENDIX

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Configuration of frame

1st frame

Repeat frame

Lead code

Repeat code

B

Biitt d

deessccrriip

pttiio

on

n

FFrraam

mee iin

ntteerrvvaall:: T

Tff

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

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

Lead code

Low custom code

High custom code

Data code

Data code

Repeat code

Tf

4.5 ms

9 ms

2.25 ms

9 ms

0.55 ms

0.56 ms

1.12 ms

0.56 ms

2.24 ms

Tf

Tf

Tf=108ms @455KHz

Bit ”0”

Bit ”1”

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

T1

Tc

Carrier frequency

FCAR = 1/TC = fOSC/12

Duty ratio = T1/TC = 1/3

IR CODES

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