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Test Equipment Anonymous (TEA) group therapy thread
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med6753:
Finally got all the new caps installed on the 465B. I shot myself in the foot on this project. I got too over zealous in pulling the old cans and I damaged several pads on the circuit board. The result was several open circuits which I had to carefully trace and ohm out and repair. I believe I fixed them all. But before I install the trigger board I'm going to apply power and make sure all voltages are present.

I like Chris' idea of an auxiliary board to mount the new caps rather than the individual adapters. But you still have to unsolder and remove the old cans and that's where I did the damage. Oh well. This is the last of my 400 series scopes that needed a re-cap anyway.



Baby it's hot out there. Nice and cool in here. That 77 F is not accurate. That unit is by an outside wall and the radiant heat is affecting it's reading. Bench area and living room is 75 F. Bedroom is 72 F. Can't wait to see my electric bill.  :scared:



 
med6753:
And of course we tidy up afterwards.  :P :P :-DD


Cubdriver:

--- Quote from: med6753 on July 19, 2022, 04:49:24 pm ---Finally got all the new caps installed on the 465B. I shot myself in the foot on this project. I got too over zealous in pulling the old cans and I damaged several pads on the circuit board. The result was several open circuits which I had to carefully trace and ohm out and repair. I believe I fixed them all. But before I install the trigger board I'm going to apply power and make sure all voltages are present.

I like Chris' idea of an auxiliary board to mount the new caps rather than the individual adapters. But you still have to unsolder and remove the old cans and that's where I did the damage. Oh well. This is the last of my 400 series scopes that needed a re-cap anyway.



--- End quote ---

Nicely done - looks good!


--- Quote ---Baby it's hot out there. Nice and cool in here. That 77 F is not accurate. That unit is by an outside wall and the radiant heat is affecting it's reading. Bench area and living room is 75 F. Bedroom is 72 F. Can't wait to see my electric bill.  :scared:



--- End quote ---

Damn!!  The one on my front porch (in the shade) is at about 82.6° F currently.  You can keep that heat over there in NYS, thankyouveryplease...

And my mess would put you all to shame.   :P  (lack of a SWMBO is a mixed blessing...)

-Pat
bd139:
Caps look good to me. Getting those cans out is an absolute bastard even with a Metcal. Last time I had to resort to the Metcal and the duratool at the same time  :scared:

The adapter board I’m working on will be one PCB which sits on 10mm standoffs. You solder the caps on, then screw the standoffs onto the board. And drop it in and screw it down on top. I’m just plotting out where the circuits are jumped through the capacitor pins at the moment to work out the lowest number of standoffs.

It’s more expensive to do it this way but the gaps between the pins allow caps to be flush mounted to the boards and silicon’ed down.
Cubdriver:

--- Quote from: TERRA Operative on July 19, 2022, 04:05:51 pm ---When I turn around, this is what I see....

I am ashamed.  ;D

But I'm working through it, if only people would stop listing tasty gear on Yahoo Auctions....



[EDIT] Oooh, I just noticed an empty spot at the top of the cupboard.... I'll have to deal with that...  :-DD

--- End quote ---

If you move that, looks like a steering wheel (?) there at top left over a bit and stacked the helmet on top of it, you'd have more space there, too...  Just sayin'...

 >:D >:D >:D

-Pat

Edit to add - I like that spray can storage thing - is that what it's meant to be, or was it intended as a wine rack?  Regardless, I need to rig something like this up for my garage - standing upright they always get knocked over when trying to grab one, and it's a pain to find the one you want when you can't see the markings.
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