[vcf-midatlantic] Repair Workshop

Jason Perkins perkins.jason at gmail.com
Fri Aug 2 13:16:31 EDT 2019


I have a Portable 1 I could bring along too, if we need another machine to
compare notes with.

-J

On Thu, Aug 1, 2019 at 9:54 PM Evan Koblentz via vcf-midatlantic <
vcf-midatlantic at lists.vcfed.org> wrote:

> >> think VCF may have one also
>
> Yes. We also have soldering/desoldering equipment for members to borrow.
>
> Bring snacks, too! Although we always do lunch/dinner trips and there are
> plenty of places nearby to get food/drink.
>
> If you're planning to stay overnight then bring bedding. There is a bunk
> area here where some of us stay, but you get a bare mattress.
>
> >> When is the best time show up?
>
> We start around 10am Saturday and end Sunday afternoon.
>
> Me (evan at vcfed.org / 646-546-9999) and Jeff Brace (jeffrey at vcfed.org) are
> the contacts for when you get here and need to find the workshop location
> on campus or anything else.
>
> On Thu, Aug 1, 2019, 9:14 PM David Gesswein via vcf-midatlantic <
> vcf-midatlantic at lists.vcfed.org> wrote:
>
> > On Thu, Aug 01, 2019 at 01:14:12PM -0400, Douglas Perry via
> > vcf-midatlantic wrote:
> > > Now that I'm signed up for this months workshop I was hoping to get
> some
> > > tips on how to properly prepare (supplies needed, ect..)
> > >
> >
> > Best to bring what you think you will need. Others will bring stuff also
> > which you normally can borrow if you find you need something you didn't
> > bring but can't count on it being around.
> >
> > I propably over do it and try to bring half my basement but I'm 3.5 hours
> > away so not practical to go home and get something I didn't bring.
> >
> > The other would be what you think you may need that you don't have. If
> > you know you need something you don't have if you ask ahead of time
> people
> > frequently can bring it.
> >
> > The other would be if you will need assistance. Asking ahead you can know
> > if people with experiance think they will have time to help. Some people
> > spend a significant amount of time helping others and some mostly work on
> > what they bring.
> >
> >
> > > I testing I've done so far is to simply plug it in and turn it on
> (after
> > > giving it a week in a temp/humidity controlled room). The PSU and fan
> > came
> > > to life nicely, the CRT is making a familiar hum but I get nothing on
> the
> > > screen not even a blinking cursor. I'm not sure if I should expect an
> > error
> > > with no disk? I also don't hear any drive noise.(I have no disks)
> > >
> >
> > I have a compaq plus. I had to recap the power supply and had problems
> with
> > a pot on the CRT board. Tapping pots can sometimes show the ones that are
> > flaky. The power supply caps were obviously bad by looking at them.
> >
> > > >From my research I'm going to go ahead and assume the capacative pads
> > for
> > > for the keyboard are bad and just order a new set.
> > >
> >
> > I had to replace mine.
> >
> > > I've searched fairly well and have not found a reputable place to buy a
> > > 5.25 floppy pre-loaded with MS-DOS 3.3 (which sounds like the best
> > option).
> > >
> > I'm not sure where to buy it. I and a number others could make a disk
> > useable
> > to boot your machine. My machine has a mismash dos version so may not be
> > ideal.
> >
> > > So after that ramble here are my questions.
> > > Is there anything else you all would recommend me bringing?
> > >
> >
> > I like a scope. I always start with checking power supply voltage and
> > ripple
> > before trying to do more. Normally a couple people bring scopes so you
> may
> > be able to borrow one for a while. I think VCF may have one also. If you
> > have spare parts they are good to bring.  My cap stock isn't the best so
> > I have gotten them from others when I didn't have correct one.
> >
> > I would also dig up any available schematics.
> >
> > Tools needed to disassemble your machine.
> >
> > > When is the best time show up?
> > >
> >
> > I never make it right at the start so others can answer this.
> >
> > >It is the Compaq Portable 1.
> >
> > > Single vertically mounted 5.25 with unused bay and no HDD.
> >
> >
> > The fun of swapping disks a number of times when you wanted to make a
> > backup
> > copy.
> >
> > If I make it I can bring my plus which works to use if needed to compare/
> > verify what the problem is.
> >
> >
>


-- 
Jason Perkins
313 355 0085


More information about the vcf-midatlantic mailing list