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Old 05-13-2017, 10:37 PM
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bigaudioal bigaudioal is offline
Hello, I must be going
Join Date: Mar 2012
Location: Montgomery Village, MD
Posts: 601
Originally Posted by Electronic M View Post
If the replacement is physically the same size or bigger than the original then I'd be looking for a short or near sort on that B+ line.
I just did this testing. I disconnected red wire going to 80 lytic and looked for shorts to chassis ground. No shorts. I also tested to see if B- was shorted too. No shorts there either. Cannot find any shorts at all. No shorts in the audio output transformer either.

One thing I noticed in the schematics, on the selenium, the anode appears to be on the left and cathode on the right. I thought anode is usually associated with the + symbol and cathode with the - symbol. Both the RCA schematics and SAMS seems to have anode as - and cathode as +. Bit confusing.
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