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Old 27th Apr 2019, 3:56 pm   #148
ms660
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Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
Default Re: Ferguson 382U Firefly not playing ball

Quote:
Originally Posted by el gringo View Post
Looking at the circuit, it appears I could try swapping the cathodes of V4 b and V4 c ( only 2 wires? ) - Is it worth a go?
No, both cathodes are connected to chassis.

Be aware that the ratio detector diodes designated as V4a and V4b in the Trader sheet were manufactured with essentially the same characteristics, V4c, the AM detector, has different characteristics to those.

Lawrence.
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