Is this the style of Moxi remote that you have?
If so try these steps to find your TV
1. Turn on the power to your TV.
2. Press and hold down the MOXI and OK buttons.at the same time until the LED at the top blinks twice.
3. Press the numbers 9910 on the remote and the led should blink twice again.
Press the mute button. If the TV mutes then press OK to lock in the
code. If the TV does not mute press the up arrow once then press mute
and continue to press the up arrow once then press mute until the TV
mutes once the TV mutes press the OK button to lock in the code.
*** Note this may take a couple minutes of trying to cycle through the code list to find which one will work with your TV *****