Give your TV enough time to respond to the off command after each button press. Some TVs take more time to react to off commands than others.
Press the TV button to save the c... V functionality, try a different code for your TV manufacturer or scan for another code.
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<code>
... 0248
LG 0050
Loewe 0063
Logik 0008
Luxman 0005, 0062
LXI 0664, 0041, 0043, 0062, 0063,