[Hallicrafters] SX-17 question

[Joe Balestrini]

Hi Gerry,

I have an SX-17 manual that might be of some help.  I’ll look at it in the morning and advise.

Joe KG6IMI


> On Nov 16, 2015, at 6:30 PM, Joe Connor via Hallicrafters <hallicrafters at mailman.qth.net> wrote:
> 
> Gerry, as far as documentation of the changes is concerned, you might want to check Rider's, which shows an early SX-17, a late SX-17 and a 1939 model SX-17.
> By the way, they are very cool receivers and are a lot of fun to restore and use. 
> Joe Connor
> http://www.nostalgiaair.org/Resources/178/T0000178.htm
> 
> 
> 
>     On Monday, November 16, 2015 9:17 PM, Gerry Steffens <gsteffens at bevcomm.net> wrote:
> 
> 
> 
> I have a nice complete SX-17 which is about to become a current project.
> 
> I have two manuals, one original and a copy I picked up some time ago.  Both
> are identified as 03153817 on the front cover.  The first thing I did was to
> restore the original manual.
> 
> All text is identical in the two manuals.  However, I noticed that several
> resistors and capacitors are of different value between the two.  Further,
> the AVC switch is a SPST in one and a DPDT in the other.  Schematics show
> the differing switches accordingly.  The copy has a date on the schematic of
> 9-14-4? (no amount of magnification will make that smudge readable).  The
> original book has no date marking and shows the SPST AVC switch.  The copy
> has the date and the DPDT switch.
> 
> I have not yet completed the schematic comparison.  My guess is that the
> copy manual showing the DPDT switch is the later manual.
> 
> I don't yet know which version the radio is, as I have not yet grunted it
> out.
> 
> The question is, should I attempt to reconnect the radio to match the later
> manual if the radio is the earlier version?
> 
> Is there a documentation of the various changes for the SX-17, S-17 as I
> have for the SX-42?  For the 42, I have a large schematic with all updates
> through update G or H documented, including dates?
> 
> Thanks,
> 
> Gerry
> 
> 
> Gerald L Steffens P.E.
> Oronoco MN
> Radio Historian
> 
> Collecting & restoring McMurdo Silver, E.H. Scott,
> Hallicrafters, National, Heath, Zenith Transoceanic
> and any other interesting radios
> 
> Collection stands at about 300 radios and several classic Oldsmobiles
> 
> 
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