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I'm still enjoying my Garmin (old but good) 100AVD. Factory tech
support will not help me replace the memory battery, unit is no longer
supported. Anyone know how to open the case? Thanks. Steve
tneg50@yahoo.com wrote:
I've never opened one of those, that is a dash mounted aviation unit
right?
That is a 15 year old unit with a memory backup battery that was
intended to last three to five years. It is not much help or worth much
with the dead battery, I would start removing screws until I either got
the covers off or got the main circuit board out of the case.
Then I'd look for a socketed coin type battery (if you are lucky) or
maybe one of the older style batteries that is soldered onto the PCB.
If you can find a replacement battery, the old one will have to be
un-soldered and the new one soldered in. Worst case, you can look up
the voltage specs and get another memory back up battery of the right
voltage, a holder, and mount that inside the case and solder the leads
to the PCB.
None of that is not rocket science, a good aviation electronics tech
should be able to do that for you if you're not capable.
If there is a FAA rule against it, ignore everything I said. :>)
Jack
--
Jack Erbes in Ellsworth, Maine, USA (jackerbes at adelphia dot net)
(also receiving email at jacker at midmaine dot com)
Jack Erbes wrote:
> That is a 15 year old unit with a memory backup battery that was
> intended to last three to five years. It is not much help or worth much
> with the dead battery, I would start removing screws until I either got
> the covers off or got the main circuit board out of the case.
> Then I'd look for a socketed coin type battery (if you are lucky) or
> maybe one of the older style batteries that is soldered onto the PCB.
> If you can find a replacement battery, the old one will have to be
> un-soldered and the new one soldered in. Worst case, you can look up
> the voltage specs and get another memory back up battery of the right
> voltage, a holder, and mount that inside the case and solder the leads
> to the PCB.
> None of that is not rocket science, a good aviation electronics tech
> should be able to do that for you if you're not capable.
> If there is a FAA rule against it, ignore everything I said. :>)
> Jack
> Jack Erbes in Ellsworth, Maine, USA (jackerbes at adelphia dot net)
> intended to last three to five years. It is not much help or worth much
> with the dead battery, I would start removing screws until I either got
> the covers off or got the main circuit board out of the case.
> Then I'd look for a socketed coin type battery (if you are lucky) or
> maybe one of the older style batteries that is soldered onto the PCB.
> If you can find a replacement battery, the old one will have to be
> un-soldered and the new one soldered in. Worst case, you can look up
> the voltage specs and get another memory back up battery of the right
> voltage, a holder, and mount that inside the case and solder the leads
> to the PCB.
> None of that is not rocket science, a good aviation electronics tech
> should be able to do that for you if you're not capable.
> If there is a FAA rule against it, ignore everything I said. :>)
> Jack
> Jack Erbes in Ellsworth, Maine, USA (jackerbes at adelphia dot net)
Jack, I bought the unit new and have been using it for 16 years.
Opening the case is the mystery, not the procedure to replace the
battery.
I had the factory replace the battery for me twice. They won't do it
any more. I just need the case opened up. Opening the case is not as
obvious as simply removing the screws, that's why I am seeking advice
from someone who has done it before.
tneg50@yahoo.com wrote:
<snip>
> Jack, I bought the unit new and have been using it for 16 years.
> Opening the case is the mystery, not the procedure to replace the
> battery.
> I had the factory replace the battery for me twice. They won't do it
> any more. I just need the case opened up. Opening the case is not as
> obvious as simply removing the screws, that's why I am seeking advice
> from someone who has done it before.
> Jack, I bought the unit new and have been using it for 16 years.
> Opening the case is the mystery, not the procedure to replace the
> battery.
> I had the factory replace the battery for me twice. They won't do it
> any more. I just need the case opened up. Opening the case is not as
> obvious as simply removing the screws, that's why I am seeking advice
> from someone who has done it before.
Ah. Okay, sorry if I was no help. Good luck with that.
Jack
--
Jack Erbes in Ellsworth, Maine, USA (jackerbes at adelphia dot net)
(also receiving email at jacker at midmaine dot com)
tneg50@yahoo.com wrote:
> I'm still enjoying my Garmin (old but good) 100AVD. Factory tech
> support will not help me replace the memory battery, unit is no longer
> supported. Anyone know how to open the case? Thanks. Steve
> support will not help me replace the memory battery, unit is no longer
> supported. Anyone know how to open the case? Thanks. Steve
take out the 2 small screws on the back, then remove the nut on the 7
pin (black) connector, then remove the nut on the BNC(antenna)
connector. You can then slide the case open.
the battery is in a removable socket(like a PC battery). the battery
is a 3V CR2430.
I have not removed the battery, but if you do, how long do you have to
re-install a new battery before the database is lost??!! That I don't
know.
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> support will not help me replace the memory battery, unit is no longer
> supported. Anyone know how to open the case? Thanks. Steve
>