[BC] RCA BTA 1R2

[Mike McCarthy]

Change those diode boards to Microsemi unified rectifier blocks and you'll 
be good to go for years to come.  We did that on our 1R2 and all it's power 
supply problems went away.

MM


At 06:06 PM 11/16/2005 -0500, WFIFeng at aol.com wrote
>In a message dated 11/16/2005 5:42:17 PM Eastern Standard Time,
>Towers at mre.com writes:
>
> > Is that the one which is Light/Dark Blue instead of the light/dark grey?
>
>You've got the color scheme correct.
>
> >  IIRC there are only minor differences in the box.  Such as a different
> >  solid state rectifier.  I had one and I think I know where the manual is
> >  for that.  BUT if you have a 1R1 schematic, you are fairly close.
>
>The rectifier assembly is a set of 4 PC boards down at the bottom of the
>front compartment. Lots of little diodes, resistors & caps. Our old CCA had a
>different type of module, altogether. This almost looks like somehting an
>experienced Ham would build.
>
>Someone modified this beastie to have three tubes in the RF section. So there
>are five 4-400's on the "shelf". It has a *brand new* power transformer,
>which, surprisingly, is identical to the burned-up original. I'm surprised 
>that
>someone actually still makes the things with the same exact style and
>construction.
>
>Surprisingly, our RI Engineer has never had a set of prints for this thing.
>Knowing him, he probably has the circuit memorized. All I need is a Vulcan to
>do a mind meld and upload it to *my* brain. <ggg>
>
>Willie...
>
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