Today's Message Index:
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1. 07:15 AM - Re: Garmin GNS430 goes into setup mode - screen with colored boxes (Tim Andres)
2. 08:18 AM - Re: Overactive Power Supply (Robert L. Nuckolls, III)
3. 08:28 AM - Re: Overactive Power Supply (Robert L. Nuckolls, III)
4. 10:06 AM - Re: Overactive Power Supply (Dave Saylor)
5. 02:24 PM - Re: Overactive Power Supply (Robert L. Nuckolls, III)
6. 02:28 PM - icom i200 squelch (bob noffs)
Message 1
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Subject: | Re: Garmin GNS430 goes into setup mode - screen with |
colored boxes
Thank you!
Tim
Sent from my iPad
On May 9, 2013, at 11:33 PM, "Sacha" <uuccio@gmail.com> wrote:
>
> Hi Tim,
> Sure. I changed one of the wires on the 4001 connector on my GNS430 and
> when I put everything back and powered up the GNS430, I got a strange
> startup screen with lots of concentric colored boxes. The unit appeared to
> be in SETUP mode because when I turn the right dial I got the other setup
> screens. But no matter how many times I tied it would not startup normally.
> After posting to the list, I also emailed Garmin support. Within hours, I
> got the following reply from them: " What you are seeing is Test mode. Try
> first removing the data cards and see if this will clear it it. If not you
> may have Pin 75 OF plug 4001 grounded. If this is not the case then you
> have a unit problem and it will need to be repaired."
> Getting the unit fixed would probably have been a four figure expense
> including shipping, so I'm quite happy that its still working!
> Rgds
> sacha
>
>
>
>
>
>
Message 2
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Subject: | Re: Overactive Power Supply |
At 07:38 PM 5/9/2013, you wrote:
>I think we'll just give up on using it to
>charge. =C2 I'll disable the charge mode and just use it as a power supply.
>
>I've seen what's inside. =C2 I'll send you a
>couple pictures. =C2 It weighs a ton. =C2 Well, 46 lbs according to the web
page.
>
>Dave Saylor
>831-750-0284 CL
Okay, I think that's a wise move. How are
you fixed for righteous chargers?
Bob . . .
Message 3
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Subject: | Re: Overactive Power Supply |
At 06:52 PM 5/9/2013, you wrote:
>Bob,
>
>If you're looking at something that plugs into a USB port, look and
>the Raspberry Pi computer and include it in the charger.
I've seen that. There's a whole family of cheap DIY
project modules that run Linux and emulates a PC.
I've got some designs that exploit the USB
engine on the PIC uControllers as modern
incarnations of the rudimentary communications
line. This stuff is advancing so rapidly that
one is a little intimidated about carving a
new idea into hardware . . . the damned thing
is in danger of being obsolete before you
get to build anything!
Fortunately, just as a hammer will still drive
a nail, ingredients that went into past recipes
for success in the electronic arts still function
as well today as they used to . . . and there's
no shame in being skilled at driving nails.
I had an uncle who was 6'4", weighed
about 230 and hated finish work. He liked
to frame houses. Drove nails with a rigging
axe . . . one tap to start, two taps to set.
His left thumb and forefinger looked like
victims of the inquisition. I've often wondered
how he would prefer to assemble lumber if he
were alive today . . .
Bob . . .
Message 4
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Subject: | Re: Overactive Power Supply |
Here's a peek under the hood. The gold resistors are the dropping kit.
They go in parallel with the big blue capacitor you can just see in the
picture. In this picture it's just sitting there, not connected.
Here's the dropping kit in action:
https://www.youtube.com/watch?feature=player_embedded&v=05lRvTY6rXA
For now we're using this: http://www.geniuschargers.com/G7200/specs
Dave Saylor
831-750-0284 CL
On Fri, May 10, 2013 at 8:17 AM, Robert L. Nuckolls, III <
nuckolls.bob@aeroelectric.com> wrote:
> At 07:38 PM 5/9/2013, you wrote:
>
> I think we'll just give up on using it to charge. =C3=82 I'll disable the
> charge mode and just use it as a power supply.
>
> I've seen what's inside. =C3=82 I'll send you a couple pictures. =C3=82 I
t weighs a
> ton. =C3=82 Well, 46 lbs according to the web page.
>
> Dave Saylor
> 831-750-0284 CL**
>
>
> Okay, I think that's a wise move. How are
> you fixed for righteous chargers?
>
>
> **
>
> ** Bob . . .
>
> *
>
===========
===========
===========
===========
> *
>
>
Message 5
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Subject: | Re: Overactive Power Supply |
At 12:04 PM 5/10/2013, you wrote:
Here's a peek under the hood. The gold
resistors are the dropping kit. They go in
parallel with the big blue capacitor you can just
see in the picture. In this picture it's just sitting there, not connected.
Yeah, the transformer with a big and little
windings is the giveaway. REALLY neat
technology for improving line and load
regulation of substantial loads (100 to
a couple thousand watts). Use to have
one in my darkroom to stabilize the enlarger
lamps. But not nearly accurate enough to
maintain optimal SVLA charging levels.
See: http://tinyurl.com/ckforvu
Here's the dropping kit in action:
https://www.youtube.com/watch?feature=player_embedded&v=05lRvTY6rXA
That's unfortunate.
"Chargers" that run that hot haven't been seen for lots
of years. Used to have oen that featured 1000w of lamps
to set the charging current (about 10A) for a 6v battery
out of my '41 Pontiac.
For now we're using this: http://www.geniuschargers.com/G7200/specs
Those should be just fine
Bob . . .
Message 6
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Subject: | icom i200 squelch |
here's the update on my noise problem. i pulled the radio and got at the
circuit board adj. for squelch. turned the plastic screw from 12 oclock to
9 oclock. that totally eliminated the awos broadcast unless i pulled the
volume knob to cancel squelch. turned the screw bach to 11 oclock and that
seemed to fix my problem. no more noise at higher rpm.
thanks for the help.
bob noffs
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