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First post on this forum. Here's my situation: last weekend I replaced my antique Blu-ray player with a Panasonic DMP-BDT460. Nice machine. After installation and set-up, I tried it out with physical media. First disc: no complaints--beautiful picture, good sound. Second disc: no audio. Of course I checked for firmware updates and worked my way through the various menus and sub-menus. Everything checks out. Last night I exchanged the unit for another DMP-BDT460 with identical results.
One big qualifier: this happens when playing two discs in a row. If I do anything else between (e.g. cycle power or access Netflix), the problem doesn't occur. So the audio is always recoverable.
Any theories? I see this as little more than an inconvenience, but it does cause concern about the long-time health of the player. Your replies will be most welcome. Thanks!
Follow Ups:
I recently purchase a different model Panasonic Blu-ray player and it is about to go back. Initially it worked ok but after a few days it locked up. The only way to get it back was unplug. Since it's been doing it more frequently and last night I had to unplug it 3 times in order to get it to work.
This may just be a bad one but I'm hoping to switch to something else. The user interface on this thing is about the worst I've seen in a piece of consumer electronics.
use HDMI for the video (and turn down the TV volume) and use a coax cable for the audio. I thought that was the best way. I noticed that some Blu ray players do not have a coax out now...makes me hade HDMI and what it is doing to things even more.
When I first start my listening sessions, I'll occasionally lose either the video, or the audio, or both. Sometimes one or both will return after a second. Sometimes neither the video or audio return, and I have to change the pre-pro input via remote control and then go back to my original input to restore everything. This will sometimes last as long as 5 annoying minutes, and then everything settles down and there are no further interruptions. But I'm sometimes surprised that this set-up works at all, since my pathway is as follows:
- Music files on shared RAID drive, connected via Firewire to. . .
- iMac in another room, connected via wired ethernet to. . .
- Gigabit router, connected via wired ethernet to. . .
- MacMini in listening room, connected via HDMI to. . .
- Marantz pre-pro, connected to TV via HDMI. . . and connected via interconnect cables to. . .
- three different amplifiers, connected via outdoor lighting cable (!) to . . .
- the actual speakers in my surround system!
As I say, it's a wonder it works as reliably as it does! ;-)
So I've tried a couple of different ways to address this issue (and I've worked my way through all the menus and submenus to make sure there wasn't some tricky setting I had overlooked). I think it might be some sort of "handshake" issue between this particular Panasonic player and my receiver, because if I go to another input on the receiver and then go back to HDMI, the sound is restored. (And I don't think it's a receiver issue because I never encountered this problem with my older Panasonic player.)
FWIW, I exchanged the player for another identical unit with the same result.
So now I'm thinking of trying to use digital out (optical) instead of HDMI to deliver audio to the receiver. If that works, I might just stick with it. OR...since I'm still within the exchange period, would it be prudent to dump this Panasonic in favor of a comparable Samsung or Sony unit? Your thoughts?
BTW, I appreciate the responses posted below. Thanks for the suggestions!
You don't have HDMI CEC enabled in your AVR do you? If so, that's likely the problem. It rarely works as expected, especially when negotiating with three things of different brands, or even two HDMI devices of a different brand.
Also make sure you try setting the BDP for LPCM output (i.e. it does the decoding), as well as for bitstream output. Your AVR should automatically detect and use whatever format it gets. It may work one way and not the other so that could be a clue.
I think your prob is fixable, so stick with it. HDMI interface issues are still not at all uncommon, especially as to how the interface handshakes when a signal (usually audio) is temporarily interrupted, or even changes format.
You are much more limited with the audio formats you can use to their full extent with the optical interface.
I had a similar problem with my Marantz UD 7007 the first few times I used it, on Analog Line Out.
Turning it off and back on fixed it, and it's never happened again in about 4 years.
I know that's no help...
That is kind of strange. Cycling power reinitializes the player and I would guess switching from ethernet back to HDMI does the same. This sounds like it could be an HDMI protocol issue. I would first make sure the other device is up-to-date on firmware and try playing 2 disc again. If you are going through a receiver then try connecting directly to your TV and see if that works. If you are going directly to your TV then try going through a receiver (with HDMI) if possible. Try switching to the second HDMI output also. I would also try the optical output to see if audio works on 2 disc in a row.I'm curious, have you tried playing the same disc twice in a row to see if the audio works the second time?
Edits: 04/17/15
sometimes newer models "assume" too much. With certain media they automatically do "this", and with another type they do "this". Read the users manual thoroughly and you should figure it out...if not call the manufacturer...
Try re-seating the cables.
"Familiarity breeds contempt, and children."
-Mark Twain
way more inputs than I'll ever need.
----------------------
"E Burres Stigano?"
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