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Toshiba A20 - No Audio when playing HDDVD

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Old 12-31-2009, 10:45 AM   #1
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Default Toshiba A20 - No Audio when playing HDDVD

I am experiencing no audio when playing HDDVD's only. I do get sound from DVD's and Cd's. I have tried:
1. 3 HDMI cables (including reversing ends)
2. Converted to Component Cables and Fiber Audio
3. Attempted all setting within A20 for Audio (AUTO, PCM, Downmix PCM)
4. Powered OFF unit for 24 hours (flushing the permant storage)
5. Reformated Permanent Storage

I recently upgrade the firmware from 3.0 to 4.0. I believe the issue is related to 4.0. However I cannot specificially find a method to down grade to 3.0 or pervious. I do understand that I would have to modify to header of the update to be higher than 4.0 (ie. made 3003 believe it is 4001 or higher)... but I can seem to do this correctly using the hexeditor.

Can anyone help me?
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Old 12-31-2009, 11:21 AM   #2
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Quote:
Originally Posted by pinchaser View Post
I am experiencing no audio when playing HDDVD's only. I do get sound from DVD's and Cd's. I have tried:
1. 3 HDMI cables (including reversing ends)
2. Converted to Component Cables and Fiber Audio
3. Attempted all setting within A20 for Audio (AUTO, PCM, Downmix PCM)
4. Powered OFF unit for 24 hours (flushing the permant storage)
5. Reformated Permanent Storage

I recently upgrade the firmware from 3.0 to 4.0. I believe the issue is related to 4.0. However I cannot specificially find a method to down grade to 3.0 or pervious. I do understand that I would have to modify to header of the update to be higher than 4.0 (ie. made 3003 believe it is 4001 or higher)... but I can seem to do this correctly using the hexeditor.

Can anyone help me?
It looks like you have tried everything so I am at a loss. I have an A20 with 4.0 and it has worked like a charm and still does. You can try unplugging it for a couple hours and trying it again.
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Old 12-31-2009, 11:37 AM   #3
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It has been unplugged since last night (about 12 hours now). I was intending to reconnect the hdmi cable and retry the firmware downgrade.

BTW... I called Toshiba and they said that my only recourse was to pay $115 for a replacement and that would take ~15 days. I looked on ebay and can pick one up for about 1/2 that with additional movies.

I dont believe this is broken... as it has been handled delicately, used little and was working prior to the 4.0 upgrade (through my Pioneer Elite amp).
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Old 12-31-2009, 12:55 PM   #4
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I am sorry to hear this as well, I hope you get er going again and also I find it very interesting that Toshiba has a replacement available, thats good to know.
My A20 works as it should , maybe you should consider a back up player depending on the amount of HD DVD you own, could be a wise investment.
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Old 12-31-2009, 03:32 PM   #5
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Quote:
Originally Posted by pinchaser View Post
I am experiencing no audio when playing HDDVD's only. I do get sound from DVD's and Cd's. I have tried:
1. 3 HDMI cables (including reversing ends)
2. Converted to Component Cables and Fiber Audio
3. Attempted all setting within A20 for Audio (AUTO, PCM, Downmix PCM)
4. Powered OFF unit for 24 hours (flushing the permant storage)
5. Reformated Permanent Storage

I recently upgrade the firmware from 3.0 to 4.0. I believe the issue is related to 4.0. However I cannot specificially find a method to down grade to 3.0 or pervious. I do understand that I would have to modify to header of the update to be higher than 4.0 (ie. made 3003 believe it is 4001 or higher)... but I can seem to do this correctly using the hexeditor.

Can anyone help me?
I have an HD-A20 and 4.0 didn't create that issue for me and I have never heard of a firmware update going haywire and causing one problem, no audio with one format while everything else works. If it was a problem inherrent with 4.0, not just your update, then we surely would have heard of the issue previously. I can't see how the problem has anything to do with firmware but I can't tell you what is causing the problem. Have you tried the stereo red and white analog output?

Chris
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Old 12-31-2009, 10:37 PM   #6
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Well.. I dont believe it...but after leaving it unplugged for nearly 24 hours... it is working????? THis is crazy. But all is working now. I did nothing.
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Old 01-01-2010, 01:34 AM   #7
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Well.. I dont believe it...but after leaving it unplugged for nearly 24 hours... it is working????? THis is crazy. But all is working now. I did nothing.
I can't believe that actually worked, but I am glad that it did.
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Old 01-02-2010, 12:12 PM   #8
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It is amazing how often simply unplugging a electronic device for a long enough period (usually only an hour is needed for it to discharge the stored current) can solve problems. I probably have to use this once or twice per year on my inventory of gadgets.

It would have been my suggestion as the first thing to do but Goofnut beat me to it.
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Old 02-05-2010, 02:48 PM   #9
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I had the same thing happen to me... but one step more bizarre. Mine could play DVD's audio but no HD-DVD audio. I fixed it by changing the optical input to the receiver.. and it worked. Very strange as the original input worked fine with my cablebox.
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Old 07-16-2013, 12:59 AM   #10
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Default HD-A20 has no sound when playing HD-DVD's

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Originally Posted by ITALIAN926 View Post
I had the same thing happen to me... but one step more bizarre. Mine could play DVD's audio but no HD-DVD audio. I fixed it by changing the optical input to the receiver.. and it worked. Very strange as the original input worked fine with my cablebox.
I have the same problem, and have tried everything under the sun to get my HD-A20 to play HD-DVD sound. No luck. Anybody have any other suggestions for me? Thank you.
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Old 07-16-2013, 01:02 AM   #11
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Quote:
Originally Posted by pinchaser View Post
I am experiencing no audio when playing HDDVD's only. I do get sound from DVD's and Cd's. I have tried:
1. 3 HDMI cables (including reversing ends)
2. Converted to Component Cables and Fiber Audio
3. Attempted all setting within A20 for Audio (AUTO, PCM, Downmix PCM)
4. Powered OFF unit for 24 hours (flushing the permant storage)
5. Reformated Permanent Storage

I recently upgrade the firmware from 3.0 to 4.0. I believe the issue is related to 4.0. However I cannot specificially find a method to down grade to 3.0 or pervious. I do understand that I would have to modify to header of the update to be higher than 4.0 (ie. made 3003 believe it is 4001 or higher)... but I can seem to do this correctly using the hexeditor.

Can anyone help me?
[/I]

I have the exact same problem with my HD-A20. How do you "reformat permanent storage"???? Maybe that's my problem?
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Old 07-16-2013, 01:05 AM   #12
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Originally Posted by Chris Gerhard View Post
I have an HD-A20 and 4.0 didn't create that issue for me and I have never heard of a firmware update going haywire and causing one problem, no audio with one format while everything else works. If it was a problem inherrent with 4.0, not just your update, then we surely would have heard of the issue previously. I can't see how the problem has anything to do with firmware but I can't tell you what is causing the problem. Have you tried the stereo red and white analog output?

Chris
Chris, I have the same problem. Left it unplugged for 24 hours, but still no luck. How do you reformat permanent storage????
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