What to do if my LG S78S1-S remote control is not working?
If the remote control for your LG Speaker System isn't working properly, make sure you're within about 7 meters of the unit. Also, check for any obstacles between the remote and the unit and remove them. If it still doesn't work, the batteries in the remote might be dead, so try replacing them with new ones.
Why is there no woofer sound on my LG Speaker System?
If you are not getting any sound from the woofer of your LG Speaker System, ensure that the subwoofer's power cord is securely plugged into the wall outlet. If it is, the pairing between the unit and the subwoofer may have been disconnected. In this case, you should connect the unit and the subwoofer. (Page 18)
Why is there no sound coming from my LG S78S1-S?
If your LG Speaker System isn't producing any sound, there could be a few reasons. First, ensure that you've selected the correct input source. If the input source is correct, the mute function may be activated. Press the (Mute) button or adjust the volume to cancel it. If you're connected to an external device like a set-top box or Bluetooth device, also check and adjust the volume level on that device.
How to troubleshoot no power on my LG S78S1-S Speaker System?
If your LG Speaker System isn't powering on, begin by checking the power cord to ensure it's securely plugged into the outlet. If it is, verify that there isn't a power outage by testing other electronic devices.
Why is the AUTO POWER function not working on my LG S78S1-S?
If the AUTO POWER function on your LG Speaker System isn't working, begin by checking the connection of the external device, such as a TV, DVD/Blu-Ray player, or Bluetooth device. If the connection is correct, check the SIMPLINK settings on your LG TV and turn off SIMPLINK. Depending on the connected device, this function may not operate.
What to do if my LG S78S1-S does not work properly?
If your LG Speaker System isn't working correctly, try turning off the power to both the unit and any connected external devices like your TV, woofer, DVD player, or amplifier, and then turn them back on. If that doesn't work, disconnect the power cord of the unit and the connected external devices, and then reconnect them. Also, previous settings may not be saved when device power is shut off.
General| Brand | LG |
|---|---|
| Model | S78S1-S |
| Type | Speaker System |
| Subwoofer Power | 300W |
| Frequency Response | 40Hz-20kHz |
| Color | Black |
| Impedance | 4 Ohms |
Initial setup, connecting to TV, smartphone via Bluetooth, and LG Sound Bar app.
Steps for connecting the sound bar to wireless subwoofer and rear speakers.
How to set up and use surround sound features.
Details on buttons, display, and ports on the front of the sound bar.
Identifies and explains the input/output ports on the back of the sound bar.
Operation of the remote control, sound modes, tuning, and general operations.
Details on product settings, TV remote integration, Auto Power, Night Time, Display, and Quick Start.
Connecting the sound bar to a TV via optical, HDMI, LG Sound Sync, and SIMPLINK.
Connecting external devices and using Bluetooth, app, or USB for audio.
Information on components and steps for wall-mounting the sound bar.
Essential safety warnings, precautions, and guidelines for power/battery use.
Solutions for product not working, no sound, connection problems, and demo mode.
Technical details including dimensions, power, and audio output.
Information on trademarks, licenses, open source, and product handling.
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