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  #11  
Old 07-22-2020, 09:25 PM
Kevin Kuehn's Avatar
Kevin Kuehn Kevin Kuehn is offline
Workin' Late Again
 
Join Date: Jan 2011
Location: WI
Posts: 3,976
Quote:
Originally Posted by BandDirector View Post
I have swapped the tubes a few times, will do it again later this evening to double check. I have made a list of the resistors and their capacities/wattages/variance level and will draw my own schematic that is more blown up than the one in my service manual. I did not purchase any of the needed resistors, instead I bought all the wrong values! But I'll keep them. PW500 is the vert/height board

This blow-up may be easier to read on my end!
Do you have any way to verify DC voltages on the pins of the vertical oscillator and vertical output tubes against what's shown on your schematic? Those would be measured with the set operational, so it may be a problem to reach those connections without a socket extender. Personally I would not risk measuring on the plate(pin 9) of the vertical output. If we knew those voltages it could provide us a clue as to where the problem is.

Last edited by Kevin Kuehn; 07-22-2020 at 09:29 PM.
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