Tektronix 2235 knobs

anatech · 7th May 2006, 06:56 PM

Hi All,
Anyone know where to get a set of knobs for a Tektronix 2235 ? I need the volt / div shafts too. So far I've drawn a blank. Mine got damaged when I moved and I can't find any available. Otherwise the 'scope works fine. Those darn things get brittle as they age!

I don't want to have to buy a "working" 'scope off Eeeek Bay.

Some Tek. parts vendors and repair guys have told me they do not have stock. Tektronics has not replied - yet. They may have good news when they do. (I hope) I would think they can't help me or the repair shops would have simply said okay and ordered them for me.

-Chris

clem_o · 16th May 2006, 02:12 PM

Hi Chris,

You may have to just have those machined, since no one seems to have any!

Cheers,

Clem

anatech · 16th May 2006, 02:33 PM

Hi Clem,
Ouch!!!

I did get a reply from EC8010 and Stocker who both offered solutions.

A big thank you to both members!

As a matter of fact, EC8010 did send a set of knobs to me. Although they appeared to be correct, they do not all fit. The shaft and a couple knobs will be useful. Many thanks!

-Chris

clem_o · 16th May 2006, 03:01 PM

Hi Chris,

Yeah, I know what labor costs where you live are like!! Time to bring out the Dremel?!

Cheers

Clem

anatech · 16th May 2006, 03:05 PM

Hi Clem,
You're a sick, sick man. You know that don't you?

I have a drill press and a Dremel tool. This just might work!

-Chris

clem_o · 16th May 2006, 03:11 PM

Hi Chris,

Hehe! Good luck with that one!

Cheers

Clem

ps: don't forget epoxy - it always comes in handy!! :-)

anatech · 16th May 2006, 03:13 PM

Hi Clem,
The sad thing is, I have made a part from epoxy before. A broken nylon lever. A PITA to make.

-Chris

clem_o · 16th May 2006, 03:19 PM

Hi Chris,

Friend of mine made one for his car stereo using a bottle cap as the epoxy mold!

How do those knobs compare to the ones on Leader 'scopes? We have a number of dead units...

Cheers

Clem

anatech · 16th May 2006, 03:43 PM

Hi Clem,
Special shafts and knobs. It's their own thing.

What is wrong mostly with the Leader units? They are an okay 'scope (Hitachi), they had Y chip failures as I recall. One of mine died at the shop, but I did have it repaired.

Just out of warranty

Actually, the distributor was very good and went easy on me. I've known him for some time now and he is a really good guy.

-Chris

tomtt · 16th May 2006, 05:34 PM

http://www.sphere.bc.ca/test/tek-parts/tek-knobs.html

7th May 2006, 06:56 PM	#1
anatech diyAudio Moderator Join Date: Jun 2004 Location: Georgetown, On	Tektronix 2235 knobs Hi All, Anyone know where to get a set of knobs for a Tektronix 2235 ? I need the volt / div shafts too. So far I've drawn a blank. Mine got damaged when I moved and I can't find any available. Otherwise the 'scope works fine. Those darn things get brittle as they age! I don't want to have to buy a "working" 'scope off Eeeek Bay. Some Tek. parts vendors and repair guys have told me they do not have stock. Tektronics has not replied - yet. They may have good news when they do. (I hope) I would think they can't help me or the repair shops would have simply said okay and ordered them for me. -Chris

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16th May 2006, 02:12 PM	#2
clem_o diyAudio Member Join Date: Jun 2005 Location: Manila	Hi Chris, You may have to just have those machined, since no one seems to have any! Cheers, Clem

16th May 2006, 02:33 PM	#3
anatech diyAudio Moderator Join Date: Jun 2004 Location: Georgetown, On	Hi Clem, Ouch!!! I did get a reply from EC8010 and Stocker who both offered solutions. A big thank you to both members! As a matter of fact, EC8010 did send a set of knobs to me. Although they appeared to be correct, they do not all fit. The shaft and a couple knobs will be useful. Many thanks! -Chris

16th May 2006, 03:01 PM	#4
clem_o diyAudio Member Join Date: Jun 2005 Location: Manila	Hi Chris, Yeah, I know what labor costs where you live are like!! Time to bring out the Dremel?! Cheers Clem

16th May 2006, 03:05 PM	#5
anatech diyAudio Moderator Join Date: Jun 2004 Location: Georgetown, On	Hi Clem, You're a sick, sick man. You know that don't you? I have a drill press and a Dremel tool. This just might work! -Chris

16th May 2006, 03:11 PM	#6
clem_o diyAudio Member Join Date: Jun 2005 Location: Manila	Hi Chris, Hehe! Good luck with that one! Cheers Clem ps: don't forget epoxy - it always comes in handy!! :-)

16th May 2006, 03:13 PM	#7
anatech diyAudio Moderator Join Date: Jun 2004 Location: Georgetown, On	Hi Clem, The sad thing is, I have made a part from epoxy before. A broken nylon lever. A PITA to make. -Chris

16th May 2006, 03:19 PM	#8
clem_o diyAudio Member Join Date: Jun 2005 Location: Manila	Hi Chris, Friend of mine made one for his car stereo using a bottle cap as the epoxy mold! How do those knobs compare to the ones on Leader 'scopes? We have a number of dead units... Cheers Clem

16th May 2006, 03:43 PM	#9
anatech diyAudio Moderator Join Date: Jun 2004 Location: Georgetown, On	Hi Clem, Special shafts and knobs. It's their own thing. What is wrong mostly with the Leader units? They are an okay 'scope (Hitachi), they had Y chip failures as I recall. One of mine died at the shop, but I did have it repaired. Just out of warranty Actually, the distributor was very good and went easy on me. I've known him for some time now and he is a really good guy. -Chris

16th May 2006, 05:34 PM	#10
tomtt diyAudio Member Join Date: Aug 2002 Location: kansas city mo, and on occasion, around the world ... Blog Entries: 15	http://www.sphere.bc.ca/test/tek-parts/tek-knobs.html

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