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Sony DVD Recorder - Disc Errors

RDR-GX7
July 25, 2008 at 10:23:55
Specs: Windows XP, Q6600

This was one of the first DVD recorders to hit the shelves and I purchased this to backup home movies from Beta and 8mm tapes.

I ended up with 42 discs from that summer in 2004 and if my memory serves me correctly, they were all working just fine.

Recently I just tried to watch a few of them and noticed that I can't get any of them to work in the Sony RDR-GX7 that they were recorded in.

I can, however, get the first disc to work in most other players, but not the remaining discs. I inspected the burn pattern on the back and noticed that the first one (that works) has the data starting about 2mm closer to the begining of the write area in comparison to the others. This is odd because they were all created and recorded in the same way.


Right now I can't get any of the dics to work except the first one. Is there any way I can force read the data and skip over that initial empty portion causing the error?

I am curious why they would have worked back 4 years ago and now just the first one works.

If anyone has any ideas it would be greatly appreaciated!


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#1
July 25, 2008 at 13:45:42

My only idea would be to try a file recovery program.

http://www.google.com/search?hl=en&...


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#2
July 25, 2008 at 17:57:07

Disk have gotten better over the last couple of years, but 4 or 5 years ago.... YUK!

The claim was that the shelf life of these disks were "100 years", but in actual fact, the cheaper ones started failing after 3 or 4 years.

There is a dye layer that is sandwiched between the 2 layers of plastic and it is this dye layer that gets burned and stores the data. After a certain amount of time, the dye layers begins to break down. (Cheap disks break down MUCH faster!) As the break down progresses fewer and fewer machines will be able to read it until finally they ALL fail to read.

The moral of this story... DON'T USE CHEAP DVD DISKS FOR ARCHIVING.

If you do want to put something on a disk and have it last a while then the best ones are either Tayo, or Verbatim. With all others.... you take your chances.


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#3
July 25, 2008 at 21:36:06

UPDATE:

I stopped by the sony store with a couple of the disks.. One that works and one that doesn't.

After testing out the disks in various players we got both to work on a brand new RDR-HX750 (mine was the RDR-GX7). BUT the Chapter menu only showed up on the one that works in normal DVD players.

Here is what's going on: The Sony recorder's are flawed in the fact that when you record onto them from a source and create chapters as you go, it goes and goes and goes and when the disk is filled, you have the option to finalize it. When you finalize the disks it attempts but doesn't leave enough room to put in the menus and titles at the begining of the disk because there are more than it compensated for and you end up with a finalized disk with no menus and it will only work in the sony style recorders that it was burned on.

Moral of the story: Sony needs to straighten it's s--- up and cut down the "full disk" meter so it says it's full sooner and still has enough room to write the file menus to.


I hope anyone else that has this problem can read this. And the bad part with the RDR-GX7 that I have is that it is so unreliable and just stops reading ANY disk after a couple years which then prevents you from using any of the movies you've made in the past on dvd.

F#$% you Sony.


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