Query: HW-104 boards vs SB-104A boards + need rear-wall power plug

[Jim Larsen]

Greetings from Alaska,

I have a sick SB-104A and sick 1144 PS.  Both appear to be out of
service.  I am using an Astron SS-25 with a Heath power cord made up to
begin troubleshooting the SB-104A.  It failed the very first B board and
readout check.  :-(

Here is my question and my hope:

I have what appears to be a complete set of boards for an HW-104 or
104A.  The numbers do not match those in my SB-104A.  I notice that the
board colors are different.  The SB boards are a green color and the
other set a beige color.

My question:  Can someone tell me which, if any, of the HW boards will
work in the SB-104A?  Perhaps a cross-reference listing of board numbers
or by function name that are interchangeable?  I have the manuals for
the SB-104A but of course have none for the HW-104(A).  I can eyeball
the boards but that is no substitute for already existing knowledge.

My hope:  The power plug on the back of the SB-104A has the center pin
broken out.  Does anyone have a replacement 11 pin mail plug I can
install in the back wall of the radio?  The power cord has the female 11
pin.  Let me know cost and shipping if you have one you can spare.
Also, both of the fuse holder tops and fuse are missing from my 1144
PS.  Anyone have some old tops that will fit so I can put fuses back in?

Wish me luck.  My troubleshooting skills are NOT legendary.   :-)

Thank you.

73, Jim
--
Jim Larsen,  AL7FS,  Anchorage, Alaska
(BP51cc) - 61.101 North, 149.824 West
mailto:al7fs at arrl.net - http://www.qsl.net/al7fs/

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