[QuadList] GRASS VALLEY GROUP 3240 proc amp manual needd andinfo on how ...

Mon Dec 12 17:29:03 CST 2011

Hi Don,

One of my procs, the 7510, was able to reinsert correct sync for the framestore TBC to "bite" into it. The TBC could not handle the mis-shapped sync from the consumer Betamax. It was still ugly but it worked

Best,
Park

C. Park Seward
Cell: 818-535-2747
Home: 541-476-6657
2" Quad and 1" "C" transfers
The Transfer Lab at Video Park
Visit us: http://www.videopark.com

On Dec 12, 2011, at 3:03 PM, Don Norwood wrote:

> Ed:
>  
> Chris can advise you on this for sure, but I don't believe there is any way that the 3240 will work with a 1/2" deck.  They were made for stable sources as far as timing is concerned. 
>  
> The proc amps that we talked about before were made specifically for helical machines and are different creatures.  Probably the most common were several models made by 3M (Mincom), the P-50 and the P-100.  The P-50 was the simpler of the two and was also later sold by Pesa.  The P-100 was modular and so could be configured as a Proc Amp, a DOC or both, with or without AGC and pulse outputs among other options.
>  
> Don Norwood
> Digitrak Communications, Inc.
> www.digitrakcom.com
> ----- Original Message -----
> From: COURYHOUSE at aol.com
> To: quadlist at quadvideotapegroup.com
> Sent: Monday, December 12, 2011 12:47 PM
> Subject: Re: [QuadList] GRASS VALLEY GROUP 3240 proc amp manual needd andinfo on how ...
> 
> I want my 1/2  video tape to look the  best...
> noted someone had talked about proc amps here before..
>  
> .
> In a message dated 12/12/2011 6:19:20 A.M. US Mountain Standard Time, Chill315 at aol.com writes:
> Ed
>  
> The quick answer is that you have three different versions that were designed for three different types of installations.
>  
> I will get my books out and look for the exact information but here is the short answer.
>  
> The basic unit is used for any type of situation where a proc amp is used.
>  
> The one with the external reference is for use in a production / editing room on the output of a switcher to provide a constant sub-carrier to horizontal sync phase relationship.
>  
> The one with the linearity corrector is designed for use at a transmitter to correct any linearity errors in the transmitter. 
>  
> What is the application that you intend for the unit?
>  
> There were also several different types of frames.  So how about a picture of the back and the modules when you get down to deciding what you want to do.
>  
> Chris Hill
>  
> In a message dated 12/11/2011 11:46:58 P.M. Eastern Standard Time, COURYHOUSE at aol.com writes:
> OK Chris here is what it  is...   I was able to get to 3  of the rack units...
>  
> al thee quick glance  have color lock and synch gen input module and output module
>  
> ok one adds external references and something in the other power supply slot.
>  
> the  third has  a linearity corrector and agc plus i think most of the other  boards of the first one.
> ===========================================================================
> side issue -
>  
> then i have  some graham black burst racks  that have lot of little   cards in them  I assume  lots of little black burst generators.
>  
>  
>  
>  
> In a message dated 12/11/2011 9:15:58 P.M. US Mountain Standard Time, COURYHOUSE at aol.com writes:
> ok I will go inventory  the innards... I was amazed I could not  find  manuals online ....GV  has  some good  other  things online  in the way of euip manuals even all the stuff for our ldk  20
> thanks Chris  back inna few... I have  one that is  within reach and I suspect  several that are  still stashed.
>  
> ed
>  
>  
>  
>  
> In a message dated 12/11/2011 7:13:32 P.M. US Mountain Standard Time, Chill315 at aol.com writes:
> Ed
>  
> There are many variations on the theme.  The 3240 is modular system that had a number of options available.  Tell us what boards are in what slots.  I can fill you in on how to make it work.  I  was a GVG sales support engineer for a number of years and am familiar with the product.  I also used them in a number of post suites.  So which modules have you got, etc.
>  
> Chris Hill
>  
> In a message dated 12/11/2011 4:09:39 P.M. Eastern Standard Time, COURYHOUSE at aol.com writes:
> Please - GRASS VALLEY GROUP 3240 proc amp manual needed  and info on how to use for....?
>  
> Thanks,
> 
> Ed Sharpe, Archivist for SMECC 
> 
> See the Museum's Web Site at www.smecc.org 
> 
> 
> 
>  
> Thanks,
> 
> Ed Sharpe, Archivist for SMECC 
> 
> See the Museum's Web Site at www.smecc.org
> 
> We are always looking for items to add to the museum's display and ref. library - please advise if you have anything we can use.
> 
> Coury House / SMECC
> 5802 W. Palmaire Ave. Phone 623-435-1522
> Glendale Az 85301 USA
> 
> 
> 
> 
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