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  #11  
Old 08-04-2020, 10:34 AM
Electronic M's Avatar
Electronic M Electronic M is offline
M is for Memory
 
Join Date: Jan 2011
Location: Pewaukee/Delafield Wi
Posts: 15,413
Quote:
Originally Posted by Yamamaya42 View Post
ooops!
I missed a couple

I thought they were Mica :/

I plugged it in tonight and it went FOOM! :O

https://imgur.com/5O76o0O
https://imgur.com/N9UhRBD
one of the 2 input caps went up in smoke, and took the input plug with it, unwelded it from the back.

https://i.imgur.com/xaPGUjl.jpg
so I had to feed a line direct in and add new caps

https://imgur.com/8XubId2

back running again
My policy on anything pre 1960 is to look up all domino caps on the schematic and replace all rated at 1000pF higher. 1000pF is the threshold where dominos go from usually mica dielectric to usually paper dielectric. The paper dominos also usually have a white dot on them...If there's not a 9 in the capacitance and the capacitance is close to the paper cap range I also consider changing caps.
I've seen blown micamold paper line bypass caps that blew before my ownership before... always a mess.

Watching Card Captor Sakura I see.
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