Question about Pioneer DVR-112D DVD RW Dual Layer Burner

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Dear Gurus, I replaced my internal DVD burner that shipped my Apple G4 dual 1 gig (MacOS 10.4.11) with a PIONEER DVD-RW  DVR-112D and at first worked well burning CDs and DVDs and reading all the CDs and DVDs I owned. Now I am having trouble reading some DVDs and CDs.....the actual DVD with drivers that came with it can't be read now, although, sometimes it will mysterioulsy read it or if  I shutdown with that DVD still in drive and boot back up....will appear on my desktop.
I used patch burn but have not rest the cuda/pmu chip....

Do I need to update the firmware? The current Firmware revision is 1.09.
The newest  Ihave seen is like 1.21 or something....but I only see updates for PCs, with .exe files, not for Mac OS....



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Re: PIONEER DVD-RW DVR-112D problem

I've just come across this notice from Pioneer. Sounds like you might be having the problem that they are describing in the faulty drives.

Posted on Jan 17, 2008

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Re: PIONEER DVD-RW DVR-112D problem

Have you tried cleaning the lens? i also had this experience with my dvd rom and what i did, was cleaned the lens.

tell us what happen after you clean it ok.

Posted on Jan 14, 2008

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updated firmware will not help. this is a known issue with Pioneer DVR-112D, drive needs to be replaced. Contact Pioneer for a free replacement, here is the url

The issue occurs only under limited environmental and use conditions that are not typical for most end users, so Pioneer anticipates that most users will not be affected. If you are not experiencing any issues currently, there is no need to take immediate action. The service issue does not pose any health or safety risk.
Pioneer is aware of a potential issue with the above drives’ CD (not DVD) read/write capability. Under certain environmental and heavy use conditions, the above drives may become unable to read or write to CDs. To address this issue, for any of the above model drives that become unable to read and/or write to CDs, Pioneer will provide a replacement unit (which may be a newer model number) at no extra charge, shipping prepaid, subject to the terms and conditions of Pioneer’s standard limited warranty(excluding duration).
Again, we anticipate that most drives will not be affected. However, if your DVR-1810, DVR-2810, DVR-X122, DVR-112D, DVR-112DBK, or DVR-112DSV drive becomes unable to read or write to CDs, please contact Pioneer Customer Service by one of the following methods:
Complete an online replacement request form and submit it online. Once your model and serial number are validated, you will print out the completed form to mail along with the affected drive.
This online form is for United States customers only. For Canadian residents, please contact Pioneer Electronics of Canada customer service directly at 877-283-5901.

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There would be a problem with cd reader lens
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