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Old 24th Aug 2022, 9:34 pm   #29
3pinplug
Pentode
 
Join Date: Jun 2016
Location: Kent, UK.
Posts: 190
Default Re: Help needed with - Racal Dana 9081

My battle continues!
I started checking some of the +24v, 12v and -6v voltages shown on the overall block diagram for the 9081. Most were ok but the +24v on pin 16 on the FM loop board only read 21v. I have just noticed that R47 is burnt out so assuming the tant C32 (FM loop board)may be the cause, but visually this tant looks ok on this occasion.
So missed that one during my board checks but then there are a lot of components on both sides. So will order / replace those and see what that does, the frequency knob still does nothing when turned, want to try and look at that once I stop finding burnt out components but looking like it could be a while!
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