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(Too_Many_Tools) wrote in
om:

Jim,

I appreciate your comments but a scope is either repairable or it is
not.

Product loyalty works both ways. When the user is held to the mercy of
when the manufacturer will decide whether or not it is convenient for
them to have parts on hand and schematics avaiable, then that user
should shop with price being the number one consideration. When a
product becomes a commodity item as scopes are becoming, brand name
means nothing if the product is to be purchased with a throwaway
mentality in mind. If I am forced to buy a scope that has an effective
lifetime of several years, then I will shop for price first and
performance second.

The time a company will carry parts is driven by the quantity of their
last time buy on components for that product. If they considered
reliability important (and customer loyalty), they would make
provisions for long time support through third party sources.

As for TDS power supplies, when the schematics themselves are not even
available then that tells you how little Tektronix cares about its
customer base. Something I will keep in mind when I plan for our
company's next bench upgrade.

IMO, TEK does not consider hobbyists to be part of their customer base.
(and I'm not arguing in support of TEK;IMO,they SHOULD include schematics
and circuit descriptions in their service manuals.)

Supplying custom parts,like any other industry,is a choice that they make
on their own,though.

--
Jim Yanik
jyanik-at-kua.net