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The Daily Insight

Why is my Yamaha amp not working?

Author

David Jones

Published Feb 28, 2026

Why is my Yamaha amp not working?

First, power off the AV Receiver/Sound Bar and TV, disconnect all the HDMI cables, and unplug the power cables. After five minutes, reconnect HDMI cables and power cables. Please check the setting of the synchronized operations is “ON” and the TV is set to output audio from the external speakers.

How do I connect my Yamaha amp to my TV?

Just use the HDMI 1 port on the back of your TV. Connect the other end of the cable to your receiver. You’re looking for something labeled HDMI Out; it’s usually a different color. If necessary, connect a digital optical cable to the back of your TV (optical out), and the other end to your receiver (optical in).

How do I select HDMI ARC on my Yamaha receiver?

You can enable or disable the audio return channel (ARC) function within the setup menu of in receiver. Make sure that you have ARC turned on. Using the Yamaha remote, press ON SCREEN, go to Setup, and select HDMI. In the HDMI menu select ARC and turn it on.

What is decoder off Yamaha receiver?

The DECODER OFF message is purely an information message. It can mean one of two things – a two channel source is input or there is no input. In either case the receiver would not need to turn on a decoder to play sound. Just one bent or damaged cable or connector can cause a loss in picture and/or sound.

How do I connect my Android phone to my Yamaha receiver?

[RX-V385] How to pair with mobile (Bluetooth) device

  1. Press the BLUETOOTH button on the remote.
  2. Press and hold the MEMORY button on the remote for 3 seconds.
  3. Access the Bluetooth function on the mobile device (phone, tablet, etc.)
  4. Select the Yamaha receiver.

Is the Yamaha RX v677 a good AV receiver?

Yamaha’s AV Controller app provides clear and concise options for tweaking levels, selecting sound modes and changing inputs. It’s responsive and functional, and saves you having to use the overly complicated remote, too. Verdict. The Yamaha RX-V677 is a fun receiver with a keenness to please that’s endearing.

Why does my Yamaha RX v677 send an error message?

If the error message still occurs with all input and speaker wires disconnected then the message is accurate that the problem is internal to the amp. If the message goes away then connect the wires back one at a time until the message comes back. That will probably be a shorted speaker cable or bad speaker.

What kind of sound does a v677 Yamaha make?

The midrange is expressive and spacious, giving great texture and direction to dialogue, while the treble packs real zing into every crash of metal to push excitement levels up another notch. However, the V677’s bass can be a little reluctant to keep up with the rest of the mix, and sounds a little lazy in comparison.

What kind of arc does a Yamaha 677 have?

With ARC allocated to ‘Audio 4’, the HDMI control usually needs to be toggled on and off before Netflix kicks into life. This could as easily be the Panasonic but it generally works with other components. My only other criticism of the 677 is at the slightly awkward aesthetics.

What to do with Yamaha rx-v677 AV receiver?

Of course, the solution is completely straightforward; either give the volume a little twist upward or press the ‘Straight’ button and revert to stereo for late night/early morning stuff. The RX-V677 delivers convincing effects that make the soundtrack a believable accompaniment to the film and not an effects machine.

If the error message still occurs with all input and speaker wires disconnected then the message is accurate that the problem is internal to the amp. If the message goes away then connect the wires back one at a time until the message comes back. That will probably be a shorted speaker cable or bad speaker.

Are there any HDMI inputs on a Yamaha 677?

In connectivity terms, the 677 is usefully equipped. Six HDMI inputs and a single output are fitted and these are all able to pass a 4K signals and upscale to this resolution too. The HDMI inputs additionally support the expected audio formats bar Atmos and the 677 supports ARC.

With ARC allocated to ‘Audio 4’, the HDMI control usually needs to be toggled on and off before Netflix kicks into life. This could as easily be the Panasonic but it generally works with other components. My only other criticism of the 677 is at the slightly awkward aesthetics.