Ted, I received the kit in the mail today. I have removed the PCB from the keyboard and is getting ready now to start wiring. Question: How do I use this wire wrap wire? Do I wrap it on the post and then apply a tad bit of solder? Reggio --- On Mon, 10/27/08, Ted Summers <djtbs1@...> wrote: > From: Ted Summers <djtbs1@...> > Subject: Re: [emax] emax version 2 board SCSI upgrade in action... > To: emax@yahoogroups.com > Date: Monday, October 27, 2008, 4:54 PM > I think even with the solder sucker Radio shack iron (I have > used one > before, but dunno if I still have it), that breaking apart > the socket > with hobby knife or similar (careful not to cut any traces > below the > socket) is still a good idea. Parts of the socket can come > off without > having to successfully remove solder from all 24 pins. > > So I agree with previous post. > > Also- with that solder bulb iron. If you have some dead > board or > something from any dead electronics, use that for desolder > practice > first. > > > Just my .02 > > Regards, > Ted > > > > On Oct 27, 2008, at 2:03 PM, Jip Harrio wrote: > > That's is good to know. I will look for one in the > coming days. > > Reggio > > --- On Mon, 10/27/08, sm papke > <mothrecords@...> wrote: > > > From: sm papke <mothrecords@...> > > Subject: Re: [emax] emax version 2 board SCSI upgrade > in action... > > To: emax@yahoogroups.com > > Date: Monday, October 27, 2008, 12:49 PM > > Yes, the Radio Shack "Desoldering Iron" > part# > > 64-2060 works like a charm! I used one last night to > > de-solder some delicate voice chips, with very > minimal heat. > > It can be a bit awkward to use at first though.. > > Cheers > > > > > > --- On Mon, 10/27/08, Dave Sotnick > > <sotnickd@...> wrote: > > > > > From: Dave Sotnick <sotnickd@...> > > > Subject: Re: [emax] emax version 2 board SCSI > upgrade > > in action... > > > To: emax@yahoogroups.com > > > Date: Monday, October 27, 2008, 10:37 AM > > > Reggio, > > > > > > I seriously doubt Radio Shack would carry > something > > like > > > this: > > > > > > > > > http://www.sparkfun.com/commerce/product_info.php?products_id=609 > > > > > > They're quite expensive and typically used > by > > > technicians at service centers. > > > > > > It is possible to use "desoldering > braid" or > > > various kinds of > > > desoldering tools (that use suction and heat at > the > > same > > > time) to melt > > > and then suck the solder out of soldering > joints. I > > think > > > Radio Shack > > > used to sell a soldering iron with desoldering > bulb > > (for > > > suction) > > > attached. > > > > > > Another thing to watch out for is over-heating > > components > > > when > > > attempting to desolder components/sockets. Heat > > travels > > > very well > > > through the delicate traces on circuit boards, > and > > it's > > > possible to > > > damage some components if they get too hot. > > > > > > -Dave > > > > > > On Mon, Oct 27, 2008 at 9:38 AM, Jip Harrio > > > <harrioj@...> wrote: > > > > Julian, > > > > > > > > It's good to know that you in the > process of > > > actually doing this project. I > > > > am about to get started myself. > > > > > > > > Just curious what this "rework > station" > > is. > > > Is this something I could > > > > possibly find at Radio Shack? > > > > > > > > As I was reviewing step 2 in the > "Retro > > > Instructions" I opened up my Emax > > > > and discovered that the trace between 11 > and 12 > > > instead of 12-13 on IC2 has > > > > already been cut. > > > > > > > > Do you think that this will create a > problem for > > me? > > > And is there a > > > > recommended way to rejoin the trace? > > > > > > > > I too am planning to add the SCSI port from > the > > back > > > instead of adding a > > > > hard drive. > > > > > > > > I will be tracking your project in hopes > staying > > safe > > > with this project. I > > > > don't do this type of stuff often but I > > believe > > > that I can do this project > > > > will some good reference and guidance. > > > > > > > > Reggio > > > > > > > > --- On Mon, 10/27/08, Julian > > > <jujulilianan@...> wrote: > > > > > > > >> From: Julian > > <jujulilianan@...> > > > >> Subject: [emax] emax version 2 board > SCSI > > upgrade > > > in action... > > > >> To: emax@yahoogroups.com > > > >> Date: Monday, October 27, 2008, 12:00 > AM > > > > > > > >> well, seeing as we're tralking > about what > > > it's like > > > >> to upgrade a version > > > >> 2 emax, I started work on my version 2 > board > > at > > > home > > > >> yesterday > > > >> afternoon, (having skimmed the mod > sheet and > > seen > > > all the > > > >> drawings > > > >> thinking it was just a bunch of cut and > > rewires - > > > and > > > >> thinking "ooh! > > > >> simple!") > > > >> > > > >> then as I was going through I got to > the > > dreaded > > > U13.... > > > >> > > > >> So I took the board into work today and > just > > had > > > the socket > > > >> out in 2 > > > >> minutes with a rework station, but if I > > didn't > > > have one > > > >> of those > > > >> available to me, it would have been a > lot > > more > > > painful - > > > >> would require > > > >> cutting up the socket into pieces with > your > > craft > > > knife, > > > >> and > > > >> pulling/cleaning every pin hole > separately - > > a > > > good half > > > >> hour plus of > > > >> work, if you wanted to do a neat job. > > > >> > > > >> so tonight I'll hopefully have time > to > > put in > > > the new > > > >> socket (yes the > > > >> PCB has a footprint for a 28 pin part - > they > > just > > > only > > > >> placed a 24 pin > > > >> socket... bastards! all this hassle, > and > > future > > > upgrade > > > >> expense for > > > >> their customers, so they could save a > > fraction of > > > a cent > > > >> per build!) and > > > >> finish the rest of the cutting and > wiring. > > > >> > > > >> sometime later this week I'll > double > > check my > > > work, and > > > >> then put it > > > >> together and see how the upgrade went. > > > >> > > > >> > > > >> I'd estimate for anyone going to a > > halfway > > > decent tech > > > >> with a basic > > > >> desoldering gun, that there's about > 1.5 > > hours > > > work from > > > >> sealed case > > > >> without the SCSI mods to sealed case > with the > > SCSI > > > mods.... > > > >> at least for > > > >> the version 2 PCB in an emax rack - not > sure > > how > > > simple the > > > >> keyboard > > > >> comes apart and back together. > > > >> > > > >> > > > >> > > > >> I'm also very very interested in > taking a > > SCSI > > > port out > > > >> the back of my > > > >> emax.... half tempted to do a simple > remake > > of the > > > original > > > >> emax version > > > >> 2 SCSI adapter PCB. would be very > simple to > > route > > > and make. > > > >> might have > > > >> to spend an hour or two working out > what pins > > on > > > the 50 way > > > >> headers > > > >> route to the header that goes to the > D25.... > > will > > > >> research.... If I do > > > >> make a design up, I'll be getting a > bunch > > of > > > them > > > >> made.... is anyone > > > >> else interested in this? > > > >> > > > >> > > > >> > > > >> > > > >> > > > >> -- > > > >> http://bleepin.com > > > >> > > > >> -- > > > >> http://www.fastmail.fm - The way an > email > > service > > > should be > > > > > > > > > > > > > > > [Non-text portions of this message have been removed]
Message
Re: [emax] emax version 2 board SCSI upgrade in action...
2008-10-30 by Jip Harrio
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