If your tv has a headphone output simply connect your headphones to the port.
Connecting firestick to lg tv.
Set your tv s input mode to av1 or another that matches the port you re using.
The downsides of using the firestick with an older tv.
This wikihow teaches you how to pair a new remote to an amazon firestick.
On the firestick device you ll see two ports a micro usb and an hdmi.
You can easily pair a new amazon remote to an amazon firestick by pressing and holding the home button on the remote.
However most lg bluetooth headsets work with any tv that supports soundsync wireless.
Physically connecting the device.
Change the tv to the new hdmi input to see if the issue is resolved.
Plug in the power plugs on your tv and firestick.
The micro usb port is used for power supply.
For lg bluetooth headsets follow the sound setting instructions below except choose lg soundsync wireless as the sound out device.
Disconnect the hdmi cable from the tv and move it to an alternate port.
The firestick logo should appear on your tv.
First you should physically connect your firestick to the lg smart tv and the power source.
The no signal message indicates a problem with the cable connection or the external device.