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LF: Decca faulty transformer?

To: [email protected]
Subject: LF: Decca faulty transformer?
From: "Mike Dennison" <[email protected]>
Date: Mon, 04 Apr 2011 18:56:44 +0100
Reply-to: [email protected]
Sender: [email protected]
I have a fault on my Decca 5501 LF transmitter. It appears that the 
main output transformer / combiner is faulty. Each Tx module takes 
current when connected to the transformer, even when the output is 
disconnected. And there is no power out of the transformer.

I have some questions:

According to the the circuit diagram, the transformer's output 
winding has a 3.3nF capacitor across it. However, it seems to be 
invisible! Does anyone know where it is? Is it inside the pot core? 

Does anyone have a spare transformer for sale?

Has anyone had a similar fault?

Is it difficult to disassemble the transformer?

It is very difficult to test for shorted turns because the resistance 
is extremely low. 

Any ideas?

Mike, G3XDV
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