I need to rebuild an HP-23

[Stu Lyon]

You can get 11-pin "octal-type" connectors from radiodaze.com at a good 
price. http://www.allelectronics.com/  has a good deal on 150uf/450V 
caps plus 1N4007 and 1N5408 diodes. They also have fuse holders and 
breakers. Use 'Goop' (from Home Depot) to glue in the 150uf caps.

As to the transformer --  good luck.

73, Stu W6CUX

Ed Lambert wrote:

>First, it's the raw 23, not one of the later models.
>
>And, it's been through the wringer with a previous owner....  or owners.
>
>I was helping another with his HP-23 problem and had to open the one I
>have here.  When I did, I saw a number of things that needed attention.
>
>Someone had removed the line cord with the glass fuses and substituted a
>three wire cord....  that's the only good thing.  In doing so, they put
>in a circuit breaker, unfortunately it's 7 Amp instead of the 3 or 4 that
>should be there.  Then the "octal" connector for output is really 8
>pin...  not the 11 as shown.
>
>So, as I start the disassembly process and get to removing the
>transformer, I find the number on it is 54-109 and the manual says
>54-143.
>
>Can anyone tell me from what the 109 comes?  I'm going to have a lot of
>work to make this reasonable again
>
>Ed
>K1ZOK
>
>  
>

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