RS-TX20 DVD can't play DVD-ROM but can burn/play DVD-R/RW

Discussion in 'DVD TiVo Units (Archive)' started by jameslee, Jan 13, 2006.

  1. jameslee

    jameslee New Member

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    Jan 13, 2006
    My Toshiba RS-TX20 can't play any DVD-ROM movie disk(Bought from store or borrowed from blockbuster),no matter DVD-5(single layer) or DVD-9(double-layer) disk. But it really can play any DVD-R/RW or DVD+R/RW movie,also it can burn DVD-R/RW without any problem.I really don't know why???
    Anyone got same issue ? any suggestion/idea?
    Thank for your time!!!
     
  2. windracer

    windracer joined the 10k club

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    You might have a bad DVD drive in there ... how old is it? Can you possibly return it and get a new one? Or maybe a disc cleaner to clean the lens?

    I've only had one problem when my Toshiba didn't recognize a disc and it was because the "Fantastic Four" DVD from Blockbuster was filthy. Once I cleaned it up, the TX20 played it just fine.
     
  3. jameslee

    jameslee New Member

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    Jan 13, 2006
    Thanks for your reply,so far I can't return it, today I tried a laser lens clean disk,no luck:-(

    I am really wonder:how come all the DVD-R/RW backup disk can be play but
    nomal DVD-ROM always display "invalid disk or unsopport format"?
     
  4. windracer

    windracer joined the 10k club

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    I'm by no means a DVD expert, but I want to say a different laser type/wavelength is used to read commercial DVDs vs. DVD-R/RW discs. So maybe your unit is having problems with the laser used for the commercial discs.

    Again, I'm way out on a limb here.

    Have you tried calling TiVo or Toshiba support?
     
  5. megazone

    megazone Hardcore TiVo Geek

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    All DVDs - DVD-ROM, R/RW, etc - use exactly the same laser and read/write head. So that isn't it.
     
  6. windracer

    windracer joined the 10k club

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    I didn't mean to imply there were different physical heads ... I was just wondering if it had something to do with the frequency used.

    But again, I'm not the expert, so I'll just be quiet before I look more ridiculous. :)
     
  7. megazone

    megazone Hardcore TiVo Geek

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    Nope, that's why I said 'same laser'. 650nm wavelength for all DVDs.
     

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