SHM-165P6S/Sony DW-G120A unreliable CD-writer?

LiteOn / PLDS / Sony Writer Discuss, SHM-165P6S/Sony DW-G120A unreliable CD-writer? at CD and DVD Writers forum; Hi, I just coastered some TY CD-R (Verbatim Pastell discs). Written at 24x with Sony DW-G120A. The drive is connected via USB (Cypress based enclosure). Then I tried xflashing the drive to SHM-165P6S and experienced no improvement. The only media written quite good were those with Sony MID. Are these

Old Posted: 27-05-2006
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mciahel (Senior Moderator)
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Hi,

I just coastered some TY CD-R (Verbatim Pastell discs). Written at 24x with Sony DW-G120A. The drive is connected via USB (Cypress based enclosure). Then I tried xflashing the drive to SHM-165P6S and experienced no improvement. The only media written quite good were those with Sony MID. Are these drives generally bad or did I just get a bad one?

Thanks for heads up,
Michael
Attached Images
File Type: png TY_24x_CD1.png (32.1 KB, 166 views)
File Type: png sony_24x_CD1.png (32.5 KB, 165 views)
File Type: png BENQ____DCMC_24x_CD1.png (31.0 KB, 163 views)
File Type: png TY_24x_CD1_Liteon.png (32.6 KB, 165 views)
File Type: png yuden_24x.PNG (10.7 KB, 164 views)
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Old Posted: 27-05-2006
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mciahel (Senior Moderator)
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Went back to Sonys firmware and installed MYR3 - my drive came with OEM-fw MYS2. Results are better, but not very impressing:
Attached Images
File Type: png myr3-ty24x--BENQ____DVD_DD_DW1650_BCDC_27-May-2006_19_09.png (31.6 KB, 159 views)
File Type: png TY_24x_CD2 MYR3.png (32.6 KB, 159 views)
Old Posted: 27-05-2006
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bichi (CD Freaks Senior Member)
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165P6S - #1
MV96 - All ON
Verbatim CMCMAG 97m26s66f @ x48

- first CD burn/scan with this 165P6S
- MV96 is test firmware: see test FW description: http://club.cdfreaks.com/showthread.php?t=172018
- link to MV96 FW: http://zwind.myweb.hinet.net/firmware/MV96WIN.EXE
- have burned about 10 CDs so far, same MID as above, without issues
- maybe try test FW MV96?
- possible bad batch of TY's?
Attached Images
File Type: png 165P6S-1-MV96-VerbCDx48-Data-001.png (84.1 KB, 151 views)
File Type: png 165P6S-1-MV96-VerbCDx48-Qual-001.png (82.2 KB, 151 views)
File Type: png 165P6S-1-MV96-VerbCDx48-Bench-001.png (78.8 KB, 149 views)
Old Posted: 27-05-2006
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mciahel (Senior Moderator)
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Hi,
Quote:
Originally Posted by bichi
165P6S - #1
Verbatim CMCMAG 97m26s66f @ x48
Looks good, but Litey DVD-drives are not realiable CD-scanners. But even my TRT doesn't look good.
Quote:
- MV96 is test firmware:
I'll try that. My last action was FW MYR4 (brand new from Sony), but that seems to be worse than MYR3.
Quote:
- possible bad batch of TY's?
I don't think so, the discs work fine in my other drives.

Thanks for heads up!
Michael

But I am rather confused, because I get very different results if I scan the discs with my CD-R and Kprobe:
Attached Images
File Type: png TY_24x_CD2 MYR4.png (32.0 KB, 159 views)
File Type: png yuden_24x_MYR4.PNG (9.6 KB, 157 views)
Old Posted: 27-05-2006
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bichi (CD Freaks Senior Member)
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Quote:
Originally Posted by mciahel
Hi,
Looks good, but Litey DVD-drives are not realiable CD-scanners. But even my TRT doesn't look good.
Ahhh, ok..
- didn't realize LiteOn DVD don't scan CDs optimally
- the only other drive I have that's active is NEC 4550 (which does not read DVDs at higher speeds as well as LiteOn)
- bench and scan below are of CD burned with 165P6S, FW: MV96
- hope the test FW helps.....
Attached Images
File Type: png 165P6S-1-MV96-VerbCDx48-Qual-001-NEC4550.png (83.3 KB, 147 views)
File Type: png 165P6S-1-MV96-VerbCDx48-Bench-001-NEC4550.png (80.1 KB, 143 views)
Old Posted: 28-05-2006
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mciahel (Senior Moderator)
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Hi,
Quote:
Originally Posted by bichi
Ahhh, ok..
- didn't realize LiteOn DVD don't scan CDs optimally
Who knows, what drive gives reliable results? The only thing you can clearly identify, are coasters and degraded discs with lots of C2 errors.
Quote:
- hope the test FW helps.....
I tried it, but the results are not that, what I expect from premium discs
Attached Images
File Type: png TY_24x_CD3 MV96.png (31.8 KB, 161 views)
Old Posted: 28-05-2006
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mciahel (Senior Moderator)
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So I went back to Sony MYR3:
Yuden written @32x
CMC written @40x (max speed offered by Sony FW, unless pressed "overspeed" button)
Attached Images
File Type: png TY_32x-CD2 MYR3.png (31.8 KB, 145 views)
File Type: png CMC_40x-CD1_MYR3.png (33.6 KB, 141 views)
File Type: png CMC_40x-CD2_MYR3.png (31.4 KB, 139 views)
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