Hola, pues te pongo algunas partes de opiniones que he leido:
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I have all my devices passing through the receiver via HDMI for picture and sound. A couple times a month when watching from my Cable DVR or my WD Live streaming device, the picture will go blank for 2-3 seconds, but I won't lose audio. I swapped out the receiver once with another new one, but this one does it too. I tried all new high quality HDMI cables, tried differed HDMI ports on the TV and Receiver, and that didn't help either. It's not the TV or Cable DVR, used those without the receiver for a few years with no issues.
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Update 12/8/14
Well, the new receiver (the 3rd new RX-V677 unit I have tried) has started doing the same thing where it will intermittently lose picture for 2-3 seconds, but not lose audio. My wife saw it happen once last week, and we both saw it happen yesterday. Both times were when watching the Cox Motorola DVR. Both times we rewound the video and verified it wasn't the show causing it.
So, either some hardware (TVs, Cable boxes, etc.) isn't compatible with this Yamaha receiver, or there is an issue with several of these units. (But what are the odds I got 3 bad ones?)
Either way, I can't recommend this receiver if you want to use HDMI pass-through. Its a shame, because it sounds great. I will be bypassing the HDMI pass-through and using optical and digital coax on my devices like I used to with my old receiver, as I don't have any issues with the Yamaha receiver with that setup, but I hate losing the on-screen menus.
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The receiver works great when it works. I've been using this for a few week now. I'm putting connecting dish DVR to my LCD tv via HDMI through this receiver. I see it occasionally starts acting as if it loses sync between DVR and TV. There are occasional audio/video glitch every few min. Audio and video are literary interrupted, and it's very annoying while watching. I first thought it's due to DVR, but further troubleshooting points the receiver. I'm still monitoring the frequency of this occurring. I might need to return this box once I got too much irritated with the glitch...
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Replacing my 3 year old Yamaha RX 867 for the newest RX-V677
As of now I can only give this receiver 2 STARS (maybe less?}
With my older Yamaha RX-867 I was able to get any HDMI I wanted
With the newest and greatest RX-V677 (Not so Great} whatever HDMI I put into this receiver
it will NOT show a picture for a few seconds(using satellite tv}but will hear audio but no video..
With the other HDMIs I will not get any Video(I did get video on the 2nd HDMI for a few seconds}
As of now I will keep this receiver just for the WIFI and internet radio (Vtuner}
If I did not get it as cheap as the $399 that I paid I think I would send it back,,,,Many people have the same problem and
Yamaha seems to careless about the problem.(don't think a firmware update will solve the problem}
As I can tell the Wireless Internet works good
and the Internet radio works good.
But I feel if you are hooking a few video devices (Dvd players,Satellite,Cable}you will
be annoyed.
hay muchas más en amazon.com