You don't need to put 20KV through a tube to test it Most valve testers just check for simple things like broken filaments - 6V is quite enough for that.
On Wed, Dec 07, 2005 at 11:24:37AM -0500, graywolf wrote: > When they had tubes every Drug Store had a tube tester and a supply of > the common tubes. So much for that idea. > > On Pentax, I just remembered that they insisted on you giving them the > part number of the part you wanted. Which is understandable as it is too > easy to mix up verbal descriptions. But I never had a problem buying > parts from them if they still had the part in stock, but it has been a > couple of years and things have changed at Pentax USA. Since the move > and name change to Pentax Imaging. > > > graywolf > http://www.graywolfphoto.com > "Idiot Proof" <==> "Expert Proof" > ----------------------------------- > > > > mike wilson wrote: > > >>From: Bob Shell <[EMAIL PROTECTED]> > >>Date: 2005/12/07 Wed PM 01:10:03 GMT > >>To: [email protected] > >>Subject: Re: Sony's at it again. > >> > >> > >>On Dec 6, 2005, at 1:55 PM, Mark Roberts wrote: > >> > >> > >> > >>>>That's not a Sony thing. It's pretty standard for any electronics > >>>>company. Spares only to Authorized Service Centres. I certainly saw a > >>>>lot of that in my time as an Electronics Tech. > >>>> > >>>> > >>>Not unheard of but hardly standard. When I was an electronics tech we > >>>never had any trouble getting parts from companies whose products were > >>>not an authorized service center. We were authorized for Sony, > >>>though... > >>> > >>> > >>I was a camera repairman in the 70s and 80s. As I understood it at > >>the time, there was a law requiring manufacturers/distributors to > >>sell parts to independent repair shops. I could get parts for > >>anything so long as the manufacturer/distributor had them. I wonder > >>if that has changed. > >> > >> > > > >It probably made sense to limit supply to those who had an at least > >rudimentary knowledge of what they were doing when TVs and radios had > >tubes and you could create death very easily. Today, you would have to > >try very hard to hurt yourself with the electricity in household > >entertainment goods. A pacemaker might take exception. > > > >mike > > > > > >----------------------------------------- > >Email sent from www.ntlworld.com > >Virus-checked using McAfee(R) Software > >Visit www.ntlworld.com/security for more information > > > > > > > >
