What to do if a function does not work when the button is pressed on my LG SH7B Speaker System?
- JJasmin HunterSep 12, 2025
If a function isn't working when you press the button, try disconnecting the power plug and connecting it again.

What to do if a function does not work when the button is pressed on my LG SH7B Speaker System?
If a function isn't working when you press the button, try disconnecting the power plug and connecting it again.
Why the media servers are not displayed on the device list of my LG SH7B Speaker System?
The issue might be due to the firewall or anti-virus software running on your media server. Try turning off the firewall or anti-virus software. Also, ensure that the speaker is connected to the same network as your media server.
| Audio decoders | DTS Digital Surround, Dolby Digital |
|---|---|
| RMS rated power | 360 W |
| Audio output channels | 4.1 channels |
| Audio Return Channel (ARC) | Yes |
| FM radio | - |
| Product color | Black |
| LED indicators | Status |
| Audio formats supported | AAC, AAC+, AIFF, ALAC, FLAC, LPCM, MP3, OGG, WAV, WMA |
| Subwoofer location | Separate |
| Subwoofer connectivity | Wireless |
| HDMI in | 1 |
| Bluetooth version | 4.0 |
| Connectivity technology | Wired & Wireless |
| AC input voltage | 100-240 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (standby) | 0.5 W |
| Power consumption (typical) | 22 W |
| Soundbar speaker RMS power | 160 W |
| Depth | 85 mm |
|---|---|
| Width | 1059 mm |
| Height | 53 mm |
| Soundbar weight | 2676 g |
| Subwoofer depth | 228 mm |
| Subwoofer width | 152 mm |
| Subwoofer height | 304 mm |
| Subwoofer weight | 4309 g |
Covers electric shock, fire hazards, water exposure, ventilation, and heat sources.
Advice on power cord safety, preventing damage and overload.
Detailed instructions on reading, following warnings, and safe usage practices.
Explains the function of each button on the remote control for playback and settings.
Detailed steps for wall mounting, including safety precautions and hardware notes.
Instructions and safety precautions for connecting the AC adapter.
Explains subwoofer LED status and initial/manual pairing procedures.
Steps for connecting the unit to a TV using an optical cable.
Instructions for setting up LG Sound Sync via optical cable or wirelessly.
Connects unit to TV via HDMI for Audio Return Channel (ARC).
Covers ARC function requirements, cable type, and automatic selection.
Covers compatibility issues, resolution changes, black screens, and noise.
Options for initial speaker connection via LAN or Wi-Fi.
Requirements for EZ Setup and step-by-step connection process.
Advice on re-setting routers, interference, and connection limitations.
Guides on selecting music from 'My Phone' and choosing albums/songs.
Explains sound modes (ASC, Standard, Cinema) and equalizer adjustments.
How to group multiple speakers for synchronized music playback.
How to add a sound bar and synchronize speakers for a home cinema setup.
How to switch the playing speaker seamlessly.
Options for renaming, LED control, IP info, sound settings, and system updates.
Adjusting the mesh network channel for improved playback speed.
Steps for pairing devices and playing music via Bluetooth.
Detailed steps for pairing and important notes on Bluetooth connection.
Details on automatic power on/off by input source and related notes.
Covers automatic volume, Treble/Bass/Subwoofer, and Night Mode.
Steps to reset the speaker, clearing network information.
Addresses issues like unit not working, power, functions, sound, remote, and LG Sound Sync.
Solutions for network connection errors and media server display issues.
Troubleshooting steps for Music Flow Player connectivity issues.
Solutions for Music Flow Player app and PC software problems.
Tips for wireless interference and Bluetooth device issues.
Comprehensive technical specifications including power, dimensions, ports, and output power.