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01-13-2006, 05:06 PM
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#1
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Registered User
Join Date: Jan 2006
Posts: 2
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RS-TX20 DVD can't play DVD-ROM but can burn/play DVD-R/RW
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!!!
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01-13-2006, 06:17 PM
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#2
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Elvis needs boats
Join Date: Jan 2003
Location: St. Pete, FL
Posts: 8,097
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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.
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01-14-2006, 08:33 PM
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#3
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Registered User
Join Date: Jan 2006
Posts: 2
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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"?
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01-14-2006, 08:43 PM
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#4
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Elvis needs boats
Join Date: Jan 2003
Location: St. Pete, FL
Posts: 8,097
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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?
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648~Series3, 1561hrs (1TB Expander)
230~Series2, 136hrs (upgraded)
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01-19-2006, 01:06 AM
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#5
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Hardcore TiVo Geek
Join Date: Mar 2002
Location: .worcester.ma.us
Posts: 3,269
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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.
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01-19-2006, 02:44 PM
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#6
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Elvis needs boats
Join Date: Jan 2003
Location: St. Pete, FL
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Quote:
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Originally Posted by megazone
All DVDs - DVD-ROM, R/RW, etc - use exactly the same laser and read/write head. So that isn't it.
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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. 
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01-19-2006, 02:52 PM
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#7
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Hardcore TiVo Geek
Join Date: Mar 2002
Location: .worcester.ma.us
Posts: 3,269
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Quote:
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Originally Posted by windracer
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.
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Nope, that's why I said 'same laser'. 650nm wavelength for all DVDs.
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