L75ms Owners Manual | Rev1.0 20220201 | Part No. 620-0595-001 | JBL.com/Specialty-Audio/
Pg 13
Troubleshooting
HDMI-ARC has
No
output.
• Ensure that the connected source is set to 2ch
PCM
• Select the ARC input on the TV to re-establish
ARC connection.
• Select another source on the TV or L75ms and
then switch back to HDMI.
Restoring Factory Defaults
The L75ms can be reset to factory defaults should the need to arise. This will erase all settings for Network
and Bluetooth requiring that all connections be recongured.
SERVICE
BASS
CONTOUR
Press & Hold >3 sec until selection
indicators on top panel ash.
-3dB
RESET
Updating Firmware
Software updates for the L75ms are via OTA (Over the Air) updates through Google Home. This occurs
when you rst connect to the L75ms or when it is connected to for wireless streaming. Contact customer
support for updates on devices that have Wi-Fi or Bluetooth disabled.
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