[R-390] T603 transformer

[Don Heywood]

Hello Kevin, over the years I have replaced many of these output transformers, especially in the line audio circuit. Most of us use the local audio for our speaker and the line audio is usually open. With the volume of the line audio up there is no load on that output transformer. To combat this, I put a 600 ohm resistor across the line output on the back of the radio. This gives the line audio a load and saves the transformer.  (The resistor is actually 560 ohms 2W)

Hope this helps, happy new year!
Don WC4G

Sent from my iPhone

> On Dec 28, 2024, at 11:13, Kevin Schuchmann via R-390 <r-390 at mailman.qth.net> wrote:
> 
> Hi All, me again
> 
> PTO worked fine this morning so I'm thinking it was those caps.
> 
> I looked some more into my line level issue and T603 is indeed open on the primary.
> 
> Would anyone have a parted out audio module that they would be willing to pull the transformer and sell it to me?
> 
> Thanks
> Kevin
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