Troubleshooting: HDMI & video
Real buyer questions on troubleshooting: hdmi & video, answered in plain terms.
Normal, not a fault. When audio routes through the TV, each app is on its own, and three things must cooperate per app before surround reaches your AVR.
Troubleshooting: HDMI & videoLip-sync error is a processing mismatch, not a fault. TVs take longer to process video (scaling, motion smoothing, HDR mapping) than AVRs take to decode audio, so the voice arrives a few tens of milliseconds before the lips move. Once set, it rarely needs touching again.
Troubleshooting: HDMI & videoNearly always the connections, not the electronics. A momentary dropout every few minutes is a link renegotiating, not an amplifier failing.
Troubleshooting: HDMI & videoIsolate by swapping. No tools, no multimeter, and in three steps you will know whether it is the speaker, the wire or the AVR channel.
Troubleshooting: HDMI & videoThat is an HDMI handshake failure: the copy-protection (HDCP) and format negotiation between source, AVR and TV is not completing, so the picture blinks, drops or never arrives. Common, fixable, and almost never a sign that anything is broken.
Troubleshooting: HDMI & videoWork the chain from the AVR outwards. In our experience this finds the fault in ten minutes, and it is almost never a dead amplifier.
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