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AV Receiver diagnostics

Test what the browser can see. Know when it cannot.

Use source audio and network tests to narrow input and routing symptoms while speaker calibration, HDMI handshakes and amplifier protection remain receiver-specific.

Run these first

Relevant live checks

Left Right Speaker TestPlay left and right channel tones separately.
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Left Right Channel Balance TestPlay the same reference tone separately through left and right channels so you can compare perceived level.
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Browser Online Status TestCheck the browser online state, available connection hints, and a short round trip to DeviceOK.
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Browser Network Timing Variation CheckRun repeated HTTP round trips to DeviceOK and show timing variation between samples.
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First diagnostic sequence

Do the high-signal checks before risky changes

  1. 1

    Verify the selected receiver input and source output format

  2. 2

    Test a simple stereo source before surround formats

  3. 3

    Follow the manufacturer protection and error instructions

What DeviceOK/browser can help check
  • Generate known stereo signals
  • Check the control-device network path
What this browser page cannot prove
  • Inspect amplifier channels or protection circuits
  • Read HDMI or eARC state generically
  • Replace room-calibration microphones or software