(Topic ID: 296167)

Weird fathom power board

By Nihonmasa

2 years ago



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  • 5 posts
  • 4 Pinsiders participating
  • Latest reply 2 years ago by Rikoshay
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#5 2 years ago

as mentioned that's the correct rec board, the only different bit is the 4 diodes on the board that rectify the 14.2VAC have been removed and replaced with a bridge rectifier mounted to side on the base plate.

you could try the test points for the voltages?

TP5 is for the 43VDC for your coils, if you don't have that, or near that voltage and the fuse hasn't gone open BR2 may have gone open failing to supply the necessary voltage.

You could also check the AC input to the bridge, it's labelled clearly on the board.

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