JBL MBB2020 Troubleshooting Manual
Also see for MBB2020: Operation manual
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JBL MBB2020 Troubleshooting GuideProspec ElectronicsNote: Please click on highlighted words for links to this page and our website.1 Wiring2 Compatible Accessories3 List of common issues3.1. No power3.2. Intermittent Power3.3. Buttons/controls not responding/erratic controls3.4. USB issues3.5. Poor reception or no reception3.6. No audio, speaker audio is unevenly distributed or some speakers not working3.7. Low audio3.8. Fluctuating Audio3.9 Audio Shoots up when Bluetooth is on3.10 Moisture in Display3.11 Bluetooth Won’t Work4 External Amplifier Issues/Subwoofer Operation5 Reset Procedure |
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