Thread: Got a lead on an early DuMont TV locally
View Single Post
  #23  
Old 05-13-2025, 10:32 AM
bandersen's Avatar
bandersen bandersen is offline
RCA 741PCS
  
Join Date: Mar 2009
Location: Chicago, IL
Posts: 8,808
A crude way is to pull the rectifier tubes and power it up. If the transformer gets hot after a few minutes (or less), it's bad.
__________________
Here are my Vintage Radio & TV YouTube Channel and Photo Gallery
Reply With Quote