[Premium-Rx] 3030 keypads

Mon Jun 30 13:36:45 EDT 2003

John
That sounds like a great idea.  I've done a bit of snooping and if I read it
right Cubic uses Grayhill 88JB2 which is available from Digi-Key for $27.74.
I wonder if anyone can confirm this number as I would like to have
bounceless keypads on my A model.
73
hank wd5jfr
----- Original Message -----
From: "refmon" <monitor at referencevideo.com>
To: "Carcia, Frank A. HS" <francis.carcia at hs.utc.com>; "'Herschel
McCullough'" <w5mc at austin.rr.com>; "Al Klase" <skywaves at bw.webex.net>
Cc: <premium-rx at ml.skirrow.org>
Sent: Monday, June 30, 2003 12:30 PM
Subject: Re: [Premium-Rx] 3030 keypads


> Hi Frank et al,
>
> As far as I can determine, all the keypad switch assy's are the
same...it's
> the overlay and firmware that varies by model & options.  I know you have
a
> few other models...I can't speak for them, but do any of the keys on 3512,
> etc bounce?
>
> I still find it highly suspect that all 3030A's so far have baggy overlays
> and bouncy switches....all 3030's have firm overlays and no bounce.
Before
> everyone runs out and buys new switches, let's figure out if all the
3030A's
> have bad keypads or if they're simply not debounced.  As a start, I will
> pour through my manuals .. failing an answer there, I'll check panel
> interfaces between 3030A and 3030, including PC board # and rev.  If
> everything there is the same, I'll swap a known-good keypad, which is a
ton
> of work, and see if that makes a difference.
>
> John Collins
> ________________________________________________
> ----- Original Message -----
> From: "Carcia, Frank A. HS" <francis.carcia at hs.utc.com>
> To: "'Herschel McCullough'" <w5mc at austin.rr.com>; "Al Klase"
> <skywaves at bw.webex.net>
> Cc: <premium-rx at ml.skirrow.org>
> Sent: Monday, June 30, 2003 06:13 AM
> Subject: RE: [Premium-Rx] 3030 keypads
>
>
> > I have found a number of different key pad covers going through the
Cubic
> > stash. I
> > have not found a perfect match for the 3030 yet but have some close
ones.
> > They appear
> > to just have a backing that peals off then the pad sticks on the front
of
> > the panel.
> > They appear to have no effect on bounce just a simple membrane. I will
> look
> > for switches
> > if someone can give me a part number or an idea of what they look like.
I
> > found a number of
> > push buttons but have not looked into the configuration.      fc
> >
> >
> > -----Original Message-----
> > From: Herschel McCullough [mailto:w5mc at austin.rr.com]
> > Sent: Saturday, June 28, 2003 11:09 AM
> > To: Al Klase
> > Cc: premium-rx at ml.skirrow.org
> > Subject: Re: [Premium-Rx] 3030 keypads
> >
> >
> > Al, John, etal. as I see my 2 key pads,  the front printed membrane has
> > become  " de-laminated "  my words.. away somewhat from the button
> surface,
> > and if I rub this face it will for a short time STICK back as it should,
> and
> > the button action seems good to fair in feel and proper responses during
> > this time..  but after a short time the membrane face comes away and
then
> > when you actuate a key / button it typically will take 2 efforts to get
> the
> > proper response..  a new key pad I think would make these false
conditions
> > go away.. I would as a personal preference prefer more response or
> positive
> > action when a keypad action is iniated. this is just a personal want..
> > albeit false, in my mind I am making a more positive command request and
> > report..  this might very well be available as a part of replacing these
> > pads with new ones that we might order..
> >
> > John compares the keypads between a 3030 and a 3030a  ..  and true to
his
> > findings, my unit is a 3030a and has the bubbly or mushy pad faces..  my
> > hour readings indicate on the left unit 4456 and the right unit 7104..
I
> > often think about disconnecting these meters , during quite times or low
> > volume, the constant  " Ticking " or pulse action of the meters annoys
me
> > somewhat..but I haven't done it yet..  All of my modules are sealed and
> > unbroken..  S/Ns between the same modules are not all that close.. not
> using
> > my sig generator, but using the same signal source and feeding both
units
> > thru my Stridsberg coupler, all readings are very similar, not a
> noticeable
> > or visible difference in meter or audio actions.. Back to the original
> > problem.. I hung [ Texanise ] suspended the front control panel from the
> > ceiling and overshifted the operating positions, the receivers both
> respond,
> > the audio board or pin and wiring is the area where my problem is.. I
> > overshifted the control panel both ways and the fault tracked with the
> right
> > control section.. I used  # 12  romex conductors to jumper power to the
> > respective receiver that I was testing..   so I never got into swapping
> > modules , as you know and I found out, the audio driver board is mounted
> on
> > the back of the front control panel.. When I re- assemble this .. I will
> > swap audio boards, that will pretty much be the final test to isolate
the
> > fault.. I have however looked very close at the brown @$%^ connectors
and
> > each units wiring seems in order..  but I got into the keypad area and
now
> > have 198 parts spewed around that will need re-assembly before I can
> resume
> > testing for the original problem..
> > I followed last weeks keypad discussion with keen interest, so it just
> > seemed like I was already in that area and partially apart , to just go
> > ahead and explore this keypad issue, and try and find a solution while I
> was
> > at it..
> >
> > All feedback or other 3030a issues will be greatly welcomed, but this
> pretty
> > much concludes my 3030A report till Monday sometime after talking with
> > someone at Grayhill about replacement keypads.. thanx for the bandwidth
> > 73  mac/mc  w5mc
> > ----- Original Message -----
> > From: "Al Klase" <skywaves at bw.webex.net>
> > To: "Herschel McCullough" <w5mc at austin.rr.com>
> > Cc: <premium-rx at ml.skirrow.org>
> > Sent: Saturday, June 28, 2003 5:53 AM
> > Subject: Re: [Premium-Rx] 3030 keypads
> >
> >
> > > Do we know for sure that it's the keypads causing the
> > > problem rather than lack of proper de-bouncing in the
> > > electronics?
> > >
> > > Al
> > >
> > > Herschel McCullough wrote:
> > > > The Grayhill web site still shows this style that is used with the
> 3030
> > > > ..  some others of you might check it out as well and see what I
might
> [
> > > > very likely ] be overlooking and lets discuss and decide how to go
> > > > forward..
> > > > and then we say goodbye to the " bubbly "  keypads..  one stroke
> actions
> > > > will come back to us 3030 drivers..  mac/mc
> > > >
> > > > Located 46 Miles due North of the Alamo
> > > > and 121 Miles due South of the Western White House
> > > >
> > > >
> > >
> > ------------------------------------------------------------------------
> > > >
> > > > _______________________________________________
> > > >
> > > > Premium-Rx Mailing List
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> > >
> > >
> > > --
> > > Al Klase - N3FRQ
> > > skywaves at bw.webex.net
> > > Flemington, NJ 08822
> > > Web Page:  http://www.webex.net/~skywaves/home.htm
> > >
> >
> >
> >
> > _______________________________________________
> >
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>
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