Yamaha Rx-a2a Service Manual File
Ensure "HDMI Control" is off in the setup menu if you are experiencing intermittent signal drops or "No Sound" issues. Safety Precautions: Always unplug the unit for at least 30 seconds
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Many "bugs" can be fixed without a service manual by installing the latest Firmware Update (current version 1.77) Critical Maintenance Steps Ensure "HDMI Control" is off in the setup