Thread: Meck XB-702 restoration
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  #128  
Old 02-15-2022, 10:36 AM
Kevin Kuehn's Avatar
Kevin Kuehn Kevin Kuehn is offline
Workin' Late Again
  
Join Date: Jan 2011
Location: WI
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That one choke in the power supply could induce hum, more so if it has shorted turns. As well as that 12vpp ripple on B++ is worth investigating. Just seems excessive.
Last edited by Kevin Kuehn; 02-15-2022 at 10:52 AM.
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