IR CODES

1. How to Connect

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

2.Remote Control IR Codes

AOutput waveform

Single pulse, modulated with 37.917KHz signal at 455KHz

 

Tc

 

 

 

Carrier frequency

 

 

 

 

 

 

 

 

 

 

 

 

FCAR = 1/TC = fOSC/12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T1

 

 

 

 

 

 

Duty ratio = T1/TC = 1/3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AConfiguration 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

ALead code

APPENDIX

9 ms

ARepeat code

9 ms

4.5 ms

0.55 ms

2.25 ms

A

Bit description

 

 

Bit ”0”

Bit ”1”

0.56 ms

1.12 ms

A 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 527***, 60PG7***, 60PG6***, 50PG7***, 477***, 476***, 42PG6*** How to Connect, Remote Control IR Codes, 105