[Jukebox-list] Re: AMI Continental problem
David Breneman
david_breneman at yahoo.com
Sun Oct 21 13:30:34 PDT 2007
--- Ron Rich <ronnnrich at yahoo.com> wrote:
> Refresh my memory, if you can--the "H", and "I" have another,
> open blade type switch, back in that area, that I have seen--but
> most are jumpered closed. Can you remember what it was designed to
> do?
I found this in a previous thread in my "save for future
refrence" file:
>>The Jukebox Junkyard <jukeboxjunkyard at cox.net> wrote:
>>
>>> Ron, these 'flakey' switches are identified as 'interrupter'
>>> switches. I cannot for the life of me why they were used.
>>> The later mechanisms do not have them. They are the primary
>>> rouble of the gripper motor jamming when it gets to
>>>play position and the selected pin does not reset. It is
>>>a simple matter to jump these troublesome items. Wes
>>
> From: "Ron Rich" <ronnnrich at yahoo.com>
>>
>> Wes,
>> It is too cold for me to dig out a schematic right now, but
>> going from memory, didn't those switches "interrupt" (or
>> "time") the pulse going to the pin cancel coil? If so, I
>> assume that they are an added "safety" to prevent those
>> coils from "cooking" if the pin cancel coil switches got
>> stuck. I sort of have a memory of seeing the wires terminated
>> at the area where those switches should be--but I can not
>> recall what type of terminal was used in the later models,
>> nor exactly what model this was done too. Also, I seem to
>> recall a "service bulletin" stating that they should be
>> jumpered-- Ron Rich
The Jukebox Junkyard <jukeboxjunkyard at cox.net> wrote:
>
> Ron, these switches do not generate a one shot pulse that
> would protect the reset coils. All they do is to make the
> coil to oscillate very fast until the pin resets and the
> circuit opens up. Think 'buzzer' . Wes
David Breneman david_breneman at yahoo.com
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