[rescue] Contents of rescue Digest, Vol 163, Issue 14

Sun Jun 12 20:55:59 CDT 2016

 From: Gary Sloane <gksloane at hotmail.com>
To: The Rescue List <rescue at sunhelp.org>
Subject: Re: [rescue] SunCD Repair

See http://www.pimpworks.org/sun/suncds.html for a description of Sun
compatible OEM CD drives.

> From: rescue-request at sunhelp.org
> Subject: rescue Digest, Vol 163, Issue 14
> To: rescue at sunhelp.org
> Date: Sun, 12 Jun 2016 12:00:01 -0500
>
> Send rescue mailing list submissions to
> 	rescue at sunhelp.org
>
> To subscribe or unsubscribe via the World Wide Web, visit
> 	http://www.sunhelp.org/mailman/listinfo/rescue
> or, via email, send a message with subject or body 'help' to
> 	rescue-request at sunhelp.org
>
> You can reach the person managing the list at
> 	rescue-owner at sunhelp.org
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of rescue digest..."
>
>
> Today's Topics:
>
>    1. Re: SunCD Repair (Eddie Cottongim)
>    2. Re: SunCD Repair (Eddie Cottongim)
>    3. Re: SunCD Repair (r.stricklin)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 11 Jun 2016 22:22:22 -0400
> From: Eddie Cottongim <jcotton at intergate.net>
> To: The Rescue List <rescue at sunhelp.org>
> Subject: Re: [rescue] SunCD Repair
> Message-ID: <575CC75E.8010903 at intergate.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> A few updates and remarks which might be helpful to others given recent
> discussion.
>
> On the CD:
>
> No obvious problems with capacitors. Its hard to test them in circuit.
> These are the surface mount, short metal can version which are difficult
> (for me) to replace.
> Good idea on the insufficient spindle friction. I tried making it a
> little more sticky, but no luck.
> It actually attempts to spin up three times before it stops.
>
> On using a DVD with SparcStation 10:
>
> I ordered a SCSI DVD, an HP A5220-67003. On the SS10, it seems to be
> able to boot CDs and at least access DVDs (but possibly not boot - I
> didn't have a known-good one to try) DVDs. Other note:
>
> NetBSD installed and seemed to work. From the CD, its pretty bare bones,
> but perhaps a good starting point.
>
> Debian Etch at first appeared to have trouble mounting the CD, but this
> turned out to be due to running with 32 megs of RAM. With more RAM (160
> meg), it installed with no problems. It takes a lot of disk space, and I
> had to go with no desktop to get it on a 1 gig drive. Once running, it
> printed an esp driver message for every hard disk access - no relation
> to the DVD, but it got very tiring, so I moved on. I think that can be
> fixed. I may come back to this later.
>
> Various Solarii would boot, but fail in the installer with disc access
> related messages either when starting OpenWindows or suninstall. My best
> guess is a compatibility issue with the drive. On an installed system, I
> would play with the scsi_options, but it would seem to require building
> a new install CD. Haven't tried yet.
>
> Hope this helps someone.
> Eddie
>
>
>
>
>
> Steve Sandau wrote:
> >>> Are there any service manuals, repair ideas etc available for the Sony
> >> CDU-8012? I've got one that responds to probe-scsi, but "test cdrom"
> >> gives
> >> back a "-1" failure (not much help), and is dead otherwise. It spins
> >> the CD
> >> briefly, then stops. No obvious internal problems after partial
> >> disassembly.
> >>
> >> The "obvious problem" with all these drives is failed electrolytics.
> >> One of
> >> the ones that's come across my bench also had a dusty optical path.
> >> Chances
> >> are good your drive is eminently repairable.
> >
> > The other problem I used to run across was the spindle not having
> > enough friction to spin the cdrom fast enough. ISTR the symptom as
> > spin, not get up to speed and stop trying. Cleaning the "gripping"
> > surface on the spindle was sometimes enough to get some use out of it.
> >
> > Steve
> > _______________________________________________
> > rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
> >
>
>
>
> --
> This message has been scanned for viruses and
> dangerous content by MailScanner, and is
> believed to be clean.
>
>
> ------------------------------
>
> Message: 2
> Date: Sat, 11 Jun 2016 23:47:21 -0400
> From: Eddie Cottongim <jcotton at intergate.net>
> To: The Rescue List <rescue at sunhelp.org>
> Subject: Re: [rescue] SunCD Repair
> Message-ID: <575CDB49.4000107 at intergate.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Another note about using a DVD (or any replacement CDROM) with a
> 411-style case: The SCSI connector was upside down on my new drive, and
> there's not a lot of cable slack inside the case, so everything doesn't
> quite pack in. Can be used with the cover off and parts laying loose.
>
> Eddie Cottongim wrote:
> > A few updates and remarks which might be helpful to others given
> > recent discussion.
> >
> > On the CD:
> >
> > No obvious problems with capacitors. Its hard to test them in circuit.
> > These are the surface mount, short metal can version which are
> > difficult (for me) to replace.
> > Good idea on the insufficient spindle friction. I tried making it a
> > little more sticky, but no luck.
> > It actually attempts to spin up three times before it stops.
> >
> > On using a DVD with SparcStation 10:
> >
> > I ordered a SCSI DVD, an HP A5220-67003. On the SS10, it seems to be
> > able to boot CDs and at least access DVDs (but possibly not boot - I
> > didn't have a known-good one to try) DVDs. Other note:
> >
> > NetBSD installed and seemed to work. From the CD, its pretty bare
> > bones, but perhaps a good starting point.
> >
> > Debian Etch at first appeared to have trouble mounting the CD, but
> > this turned out to be due to running with 32 megs of RAM. With more
> > RAM (160 meg), it installed with no problems. It takes a lot of disk
> > space, and I had to go with no desktop to get it on a 1 gig drive.
> > Once running, it printed an esp driver message for every hard disk
> > access - no relation to the DVD, but it got very tiring, so I moved
> > on. I think that can be fixed. I may come back to this later.
> >
> > Various Solarii would boot, but fail in the installer with disc access
> > related messages either when starting OpenWindows or suninstall. My
> > best guess is a compatibility issue with the drive. On an installed
> > system, I would play with the scsi_options, but it would seem to
> > require building a new install CD. Haven't tried yet.
> >
> > Hope this helps someone.
> > Eddie
> >
> >
> >
> >
> >
> > Steve Sandau wrote:
> >>>> Are there any service manuals, repair ideas etc available for the Sony
> >>> CDU-8012? I've got one that responds to probe-scsi, but "test cdrom"
> >>> gives
> >>> back a "-1" failure (not much help), and is dead otherwise. It spins
> >>> the CD
> >>> briefly, then stops. No obvious internal problems after partial
> >>> disassembly.
> >>>
> >>> The "obvious problem" with all these drives is failed electrolytics.
> >>> One of
> >>> the ones that's come across my bench also had a dusty optical path.
> >>> Chances
> >>> are good your drive is eminently repairable.
> >>
> >> The other problem I used to run across was the spindle not having
> >> enough friction to spin the cdrom fast enough. ISTR the symptom as
> >> spin, not get up to speed and stop trying. Cleaning the "gripping"
> >> surface on the spindle was sometimes enough to get some use out of it.
> >>
> >> Steve
> >> _______________________________________________
> >> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
> >>
> >
> >
> >
>
>
> --
> This message has been scanned for viruses and
> dangerous content by MailScanner, and is
> believed to be clean.
>
>
> ------------------------------
>
> Message: 3
> Date: Sat, 11 Jun 2016 21:11:58 -0700
> From: "r.stricklin" <bear at typewritten.org>
> To: The Rescue List <rescue at sunhelp.org>
> Subject: Re: [rescue] SunCD Repair
> Message-ID: <485C4920-1724-42EA-B93F-E148FDD06BA2 at typewritten.org>
> Content-Type: text/plain; charset=us-ascii
>
> On Jun 11, 2016, at 7:22 PM, Eddie Cottongim wrote:
>
> > No obvious problems with capacitors. Its hard to test them in circuit.
These
> are the surface mount, short metal can version which are difficult (for me)
to
> replace.
>
> These are exactly the ones which have almost certainly failed.
>
> ok
> bear.
>
> --
> until further notice
>
>
> ------------------------------
>
> Subject: Digest Footer
>
> _______________________________________________
> rescue maillist  -  rescue at sunhelp.org
> http://www.sunhelp.org/mailman/listinfo/rescue
>
>
> ------------------------------
>
> End of rescue Digest, Vol 163, Issue 14
> ***************************************