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'[EE] TEK 2215A Power supply info..'
2004\11\23@084959 by madscientist

picon face
I need to some help fixing a tek 2215A scope (not worth much, but if
it's simple a 60mhz scope can be handy).  "R907" is burnt so i can't
read the value, and i need the part number of the transistor on the heat
sink that connects with a 3 pin connector with wires attached (someone
tried to replace it with an nte part which was apparently wrong, may be
a fet).  "C490" also appears bad but i can easily read the writing (the
heat shrink marking label has pulled way down, which they do when they
get hot).  of course any other free info about the power supply
schematic or the whole scopes schematic would also be appreciated, if
someone has it in a pdf file or could mail it to me for postage and
copying + something reasonable for your time.  unfortunately it's not
worth buying a whole manual for being just a 60 mhz scope but if it's
easy and cheap i'd love to get it up, for one thing it would be handy
when my other scope acts up or if i need to monitor several signals.  thanks.
-- “Cowardice asks the question: is it safe? Expediency asks the question:
is it politic? Vanity asks the question: is it popular? But conscience
asks the question: is it right? And there comes a time when one must
take a position that is neither safe, nor politic, nor popular- but one
must take it simply because it is right.” : Martin Luther King Jr.
1929-1968 <http:207.44.245.159/article7333.htm>

___________________________________________

2004\11\23@100506 by Norris Smith

picon face
I have the Operator manual and the Service manual in PDF format.  They
are each about 40MB.  That is almost certainly to big to send to the
list.  Do you have a high speed connection that I could send them to.

Norris



the madscientist wrote:

{Quote hidden}

____________________________________________

2004\11\23@180701 by Pete VV

flavicon
face
Hello, I also have this scope. Could I talk you into sending me a copy
as well. I have a high speed connection and would be happy to make it
available.

Pete

My first post please forgive if I messed it up :)

{Original Message removed}

2004\11\23@201347 by Bob Blick

face picon face
Definitely someone should host it for a while - I'd be willing to host it
too, for a week or so.

Cheers,

Bob


> Hello, I also have this scope. Could I talk you into sending me a copy
> as well. I have a high speed connection and would be happy to make it
> available.
>
> Pete
>
> My first post please forgive if I messed it up :)
>
> {Original Message removed}

2004\11\24@001039 by Robert B.

flavicon
face
I also have this scope, and a schematic is always good to have.  I'd be
happy to post it online (if this is legal?) on my website.  I have about 30
gigs of download traffic left available this month, so it wouldn't be a
problem at all to leave it indefinitely.

--------------------------------------------
Robert B.
email:  spam_OUTrobertbTakeThisOuTspamnerdulator.net
http://www.christmascheese.com - Great holiday gifts!


----- Original Message -----
From: "Pete VV" <.....petehvacKILLspamspam@spam@optonline.net>
To: "Microcontroller discussion list - Public." <piclistspamKILLspammit.edu>
Sent: Tuesday, November 23, 2004 6:07 PM
Subject: RE: [EE] TEK 2215A Power supply info..


> Hello, I also have this scope. Could I talk you into sending me a copy
> as well. I have a high speed connection and would be happy to make it
> available.
>
> Pete
>
> My first post please forgive if I messed it up :)
>
> {Original Message removed}

2004\11\25@065832 by Norris Smith

picon face
I had not thought about the legal aspects.  I found these manuals on
pdf-manuals.com.  The Tek 2215a service/operator manuals are $9.95 total
with ftp delivery.  They are also available on CD and in printed
versions.  I apologize for offering what was not mine to offer.

Norris



Robert B. wrote:

{Quote hidden}

>>{Original Message removed}

2004\11\25@122354 by Bob Blick

face picon face
On 25 Nov 2004 at 4:58, Norris Smith wrote:

> I had not thought about the legal aspects.  I found these manuals on
> pdf-manuals.com.  The Tek 2215a service/operator manuals are $9.95 total
> with ftp delivery.  They are also available on CD and in printed
> versions.  I apologize for offering what was not mine to offer.

pdf-manuals.com? What would you bet they don't "own" them either?

-Bob
____________________________________________

2004\11\25@161149 by Christian A. Weagle

flavicon
face
>
> pdf-manuals.com? What would you bet they don't "own" them either?
>

I've wondered this for a while.  Tek released all the old manuals a
while back, they are freely copyable now.  I know that you are allowed
to charge a 'nominal fee' for copies (and, of course, whatever you want
for the original physical artifact), but I don't think that you can be
prevented from giving away copies of copies that you paid for.  Some
PDFs I've bought calim this, but I can't see a legal reason for this.
Anyone have more info on this?

I could use a 2215 manual... ;)

____________________________________________

2004\11\25@164129 by Wouter van Ooijen

face picon face
> I've wondered this for a while.  Tek released all the old manuals a
> while back, they are freely copyable now.  I know that you are allowed
> to charge a 'nominal fee' for copies (and, of course,
> whatever you want
> for the original physical artifact), but I don't think that you can be
> prevented from giving away copies of copies that you paid for.  Some
> PDFs I've bought calim this, but I can't see a legal reason for this.
> Anyone have more info on this?

The digitizing of the original paperwork could be considered a derived
work. They could claim copyright to that derivation. Whether this will
hold in court *might* depend on whether they did anything more than just
putting the sheets on a scanner.

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: http://www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: http://www.voti.nl/hvu


____________________________________________

2004\11\25@164634 by madscientist

picon face
that would seem to be the case, as i've found a number of such sites and
tek has some manuals on their web site, but apparently not the one i
need.  considering that it has been released, could i get a copy of that
pdf file, please?

"Christian A. Weagle" wrote:
{Quote hidden}

> _____________________________________________

2004\11\25@165920 by madscientist

picon face
very doubtful, and certainly not what the law was intended to mean.  now
if they had a legal team like that of many high tech companies, they
might get a supporting ruling, or more likely the usual agreement that
nothing was infringed and no one involved would infringe in the future,
and a large legal bill.  at least that seems to be the result most of
the time when large companies sue over alleged patent infringement. your' tax dollars at work keeping attorneys employed, along with judges
that don't understand the technical issues they are ruling on, not that
a judge with a Ph.D. in electrical engineering would be easy to find...

Wouter van Ooijen wrote:
{Quote hidden}

------

-- “Cowardice asks the question: is it safe? Expediency asks the question:
is it politic? Vanity asks the question: is it popular? But conscience
asks the question: is it right? And there comes a time when one must
take a position that is neither safe, nor politic, nor popular- but one
must take it simply because it is right.” : Martin Luther King Jr.
1929-1968 <http://www.guardian.co.uk/worldlatest/story/0,1280,-4614717,00.html>

___________________________________________

2004\11\25@170127 by madscientist

picon face
in any case, i have notified tektronics, though it probably is
essentially public domain, along with asking for said manual.  i also
found a schematic of the relevant part of the power supply in an article
on power supplies online which should do it.  most likely replacing the
cap etc. will fix it (previous repair attempt didn't replace the
obviously bad cap which could easily blow transistors and resistors involved).

Bob Blick wrote:
>
> On 25 Nov 2004 at 4:58, Norris Smith wrote:
>
> > I had not thought about the legal aspects.  I found these manuals on
> > pdf-manuals.com.  The Tek 2215a service/operator manuals are $9.95 total
> > with ftp delivery.  They are also available on CD and in printed
> > versions.  I apologize for offering what was not mine to offer.
>
> pdf-manuals.com? What would you bet they don't "own" them either?
-----
-- “Cowardice asks the question: is it safe? Expediency asks the question:
is it politic? Vanity asks the question: is it popular? But conscience
asks the question: is it right? And there comes a time when one must
take a position that is neither safe, nor politic, nor popular- but one
must take it simply because it is right.” : Martin Luther King Jr.
1929-1968 <http://www.guardian.co.uk/worldlatest/story/0,1280,-4614717,00.html>

___________________________________________

2004\11\25@173937 by Wouter van Ooijen

face picon face
> very doubtful, and certainly not what the law was intended to
> mean.  
(snip)
> at least that seems to be the result most of
> the time when large companies sue over alleged patent infringement.

You seem to confuse patent and copyright. If that is true I would not
trust your opinion if I were you! A derived work which consitutes a
reasonable amount of (added) work is certainly protected by copyright
law.

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: http://www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: http://www.voti.nl/hvu



____________________________________________

2004\11\25@183921 by madscientist

picon face
no, i don't confuse them at all, although they are both forms of IP
protection, just as C and basic are both programing languages and some
principles are common to both (though not many in that case).  there
certainly are similarities in patent, trademark, and copyright law, as
well as differences.  obviously a "derived work" which represents
considerable work is copyrightable and protectable, as is an
"improvement patent" which builds on prior patents.  on the other hand,
changing the data format by scanning physical documents into a computer,
particularly if ocr isn't done would not be considered a reasonable
amount of work by most people, or most courts i would hope.

Wouter van Ooijen wrote:
{Quote hidden}

-----

-- “Cowardice asks the question: is it safe? Expediency asks the question:
is it politic? Vanity asks the question: is it popular? But conscience
asks the question: is it right? And there comes a time when one must
take a position that is neither safe, nor politic, nor popular- but one
must take it simply because it is right.” : Martin Luther King Jr.
1929-1968 <http://www.guardian.co.uk/worldlatest/story/0,1280,-4614717,00.html>

___________________________________________

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