[Jukebox-list] (no subject)

[Karl]

David
Sorry but the telephone analogy doesn't help.....hehehe. Your explanation 
does though. Between you, Ron, Wes, and the book, my thick skull is 
beginning to absorb it. Thanks


Karl
Columbus Coin-Op Shop
Columbus, GA 31903
(706) 507-2963
2061 S. Lumpkin Rd.





Columbus, GA 31903
(706) 507-2963
----- Original Message ----- 
From: "David Breneman" <david_breneman at yahoo.com>
To: "Jukebox mailing list" <jukebox-list at lists.netlojix.com>
Sent: Tuesday, January 09, 2007 5:51 PM
Subject: Re: [Jukebox-list] (no subject)


>
> --- Karl <karlh44 at knology.net> wrote:
>
>> I have the manual but I am having a hard time understanding
>> the "Pulse" concept. It sounds like it allows the converter to
>> rotate longer or shorter depending on the letter/number chosen??? I
>> admit this is probably fairly elementary to those who know these
>> older jukeboxes, but I don't.
>
> So if I was to analogize it as a two-dimentional Strowger
> telephone switch, that wouldn't help?  :-)
>
> The selector sends a series of pulses. Just square-wave
> AC pulses.  I assume the H is the same as the G.  So A
> is one pulse, B is two pulses, etc. The selection
> receiver rotates a rotary switch via a ratchet/pawl
> mechanism, one notch for each pulse.  Then there's a
> pause between pulses, so the receiver now switches to a
> second ratcheting rotary switch.  Which does the same
> thing for the number part of the selection.  5 is five
> pulses, 8 is eight pulses, etc.  When the pulses stop,
> each of the two rotary switches is aligned over a set
> of contacts unique to that selection.  Now the selection
> arm starts to rotate over the pinbank.  It also has two
> rotary switches connected to it.  When those switches
> receive voltage from the first two switches, it means
> that the selection arm is over the pin corresponding
> to the selection made.  The pin is pushed, the first
> set of rotary switches is released, and the machine is
> ready to accept another selection.
>
>
> David Breneman         david_breneman at yahoo.com
>
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