[QuadList] VPR-80 QC switcher w/Tek 528 Octal plug--How totranslate function to Tek 1730?

[C. Park Seward]

Don

Didn't the 1200 have that same round plug Ted is talking about?

Best,
Park

Sent from my iPhone
818-535-2747 cell
(541) 476-6657 hm
2" and 1" video transfers

On Jan 17, 2011, at 5:07 PM, "Don Norwood" <dwnorwood at embarqmail.com> wrote:

> Hi Ted:
>  
> Ampex had an adapter cable to convert from the 528 to the 1730, and then a later version for the 1750 et al.
>  
> I can scan the diagram for you.  Also, a very helpful feature of the 1730 is the memory setups.  You can use them to recall the test setups very easily. 
>  
> I'll send the scan shortly....have to go pull the file.
>  
> Don Norwood
> Digitrak Communications, Inc.
> www.digitrakcom.com
>  
> ----- Original Message -----
> From: Ted Langdell
> To: Quad List ; Old Vtr
> Sent: Monday, January 17, 2011 7:20 PM
> Subject: [QuadList] VPR-80 QC switcher    w/Tek 528 Octal plug--How totranslate function to Tek 1730?
> 
> Howdy from California (again) after a dozen days in Berlin...
> 
> I'm updating the scopes in an Ampex VPR-80 sidecar package.  A Tek 1720/1730 pair are replacing the original Tek 528/1420 setup in the sidecar.
> 
> In connecting the wiring harness... we have a round 9-pin plug that went to the 528... (pictured) and no matching connector on the 1730.
> 
> <DSC_6415-Cropped.jpg>
> 
> 
> The VPR-80 manual harness diagram shows that one of the two wires between the QC switcher and the scope connector is a "Sync Ctl" line. 
> 
> The other has -15 Volts (from the scope?) and goes from SubD Plug 9/Pin6 on the switcher to pins 2, 6 and 9 of  9-pin plug called P370 on the scope.
> 
> It appears to change the scope's sync input when switching from video to Demod or AST Error modes.
> 
> So, my question is... what pins do we use on the 1730 to accomplish the desired functionality?
> 
> Please e-mail a reply that includes off-list to ted at flashscan8.us.  
> 
> I'll get it on my iPhone more quickly.  Am putting the package together now for delivery tomorrow. 
> 
> Thanks much in advance.
> 
> Will post pix with the results.
> 
> Ted
> 
> Ted Langdell
> Secretary
> Skype:  TedLangdell
> e-mail: ted at quadvideotapegroup.com
> 
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