Home Theater Tutorials

Learn why a Marantz SR7015 subwoofer may stop working and how to diagnose settings, wiring, calibration, and hardware issues.

Learn why Marantz AV7706 surround sound stops working and how to troubleshoot settings, connections, sources, and firmware quickly.

Learn why Marantz receiver audio delay happens, how to diagnose lip-sync issues, and the best settings to restore accurate audio timing.

Learn why a Marantz receiver can block Xbox Series X 120Hz output and how to fix HDMI, TV, and settings issues fast.

Learn how to fix Marantz receiver HEOS not working with practical steps for network, app, firmware, and setup issues.

A practical guide to why Dolby Atmos stops working on the Marantz Cinema 50 and how to restore immersive surround sound.

Resolve Marantz AirPlay issues with practical network, firmware, and device-level fixes that restore reliable streaming.

Learn why a Marantz receiver may not decode DTS:X and how to fix format, firmware, speaker, and source settings fast.

Learn why Marantz receiver AirPlay stops working and how to fix network, firmware, and Apple device issues fast.

Learn how to diagnose and fix Marantz receiver audio delay with proven settings checks, HDMI troubleshooting, and lip sync adjustments.