[Kenwood] New to Kenwood

[Erik Iddings]

East Coast Transistor shows it as discontinued.  I think I may have 
found one somewhere else though.  I need a very clear schematic of the 
final unit.  The one I downloaded was fuzzy and I could not make all the 
components out.  Do you know where I can get a schematic for the 520s?
Erik


Paul Pagel wrote:
> Eric, for the board you can try East Coast Transistor at 
> www.kenwoodparts.com <http://www.kenwoodparts.com>.
>  
> For repair work, contact Clif Hollander at AVVid at www.avvid.com 
> <http://www.avvid.com> or drop him a note from within this group.
>  
> 73,
>  
> Paul / N1FB
>
>
> --- On *Thu, 5/14/09, Erik Iddings /<erikwiddings at embarqmail.com>/* wrote:
>
>     From: Erik Iddings <erikwiddings at embarqmail.com>
>     Subject: Re: [Kenwood] New to Kenwood
>     To: "Kenwood List" <kenwood at mailman.qth.net>
>     Date: Thursday, May 14, 2009, 6:36 PM
>
>     The board is blackened some but may be ok.  I figured it might be easier 
>     to swap the board out versus me trying to replace the resistors.  I 
>     looked in the 520S service manual and it shows 7 resistors on the final 
>     board.  I have 8 for some reason.  I'm thinking this board might have 
>     had some work done previously.  I'm in the process of studying the 
>     schematic from the service manual to try to figure this out.
>
>     Erik
>
>
>     Fern wrote:
>     > Erik:
>     >      The burnt resistors are likely the resistors used in the cathode 
>     > of both final tubes so  you should not need to replace that whole pc 
>     > board or is the board itself burnt up?  Fern
>     >  
>     >  
>     > ----- Original Message -----
>     > From: "Erik Iddings" <erikwiddings at embarqmail.com 
>     > <mailto:erikwiddings at embarqmail.com>>
>     > To: "Kenwood List" <kenwood at mailman.qth.net 
>     > <mailto:kenwood at mailman.qth.net>>
>     > Sent: Thursday, May 14, 2009 3:38 PM
>     > Subject: [Kenwood] New to Kenwood
>     >
>     > > Hello all,
>     > > I have just obtained a TS520 rig that needs repair.  I was told that
>     it
>     > > wouldn't transmit so I dug into it when I got it home. I
>     immediately
>     > > discovered the Final Unit (X56-1220-00) PC board under the finals has
>     3
>     > > burnt resistors on it and that the 6146B tubes were bad on the tube
>     > > tester.  Where can I find a replacement PC board?
>     > >
>     > > Thanks and 73's
>     > >
>     > > Erik
>     > > KF4KRK
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