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15mins to acquire satellites

 
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Ched
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Joined: 29/04/2003 21:14:38
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Location: United Kingdom

PostPosted: Tue Jan 20, 2009 10:34 pm    Post subject: 15mins to acquire satellites Reply with quote

I have an iPaq running TomTom3 yes I know its old but up until recently it worked fine. I guess the TomTom gps receiver is about 5 or 6 years old, it was bought with TomTom2 !!!!!!
Anyway it is now taking upto 15mins to get a satellite fix, does anyone know a fix or is it finally time to get a new gps?

Cheers
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Darren
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Joined: 11/07/2002 14:36:40
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PostPosted: Tue Jan 20, 2009 11:08 pm    Post subject: Reply with quote

Is it the original TT MKI Bluetooth GPS, like this?



It's possible that the internal capacitor that retains the Almanac and Ephemeris data has expired resulting in what is effectively a Cold Start Fix every time you use it.

If it is the MKI unit then the best advice is to junk it and replace with a newer unit.
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Ched
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PostPosted: Tue Jan 20, 2009 11:13 pm    Post subject: Reply with quote

Its a very early square shaped wired receiver. I have just opened it up and found a 3v Lithium battery. So I think as you say that may be the problem. Now all I have to do is find a new battery and install it!!!!!

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Darren
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PostPosted: Tue Jan 20, 2009 11:18 pm    Post subject: Reply with quote

Ah that'll be this fella or the earlier black model:



Made by Leadtek. The 3V battery retains the Almanac and Ephemeris data so replacing should resolve your issue. On the BT models it's a capacitor and not user replaceable.
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Ched
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PostPosted: Tue Jan 20, 2009 11:36 pm    Post subject: Reply with quote

Cheers, it looks exactly like the silver one. I have found out the battery is a MS614. So now I just have to find one.
Cheers for the help.
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Ched
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PostPosted: Mon Feb 09, 2009 12:16 am    Post subject: Reply with quote

Finally got hold of a battery for 5.50 delivered so not too bad. Soldered it in yesterday, very small surface mount solder pads but managed it with out any damage.
It seems to be working as it used to do Very Happy so all is well. I can stick to my trusty pda and TomTom for a while longer. Very Happy
Thanks Darren.
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Darren
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PostPosted: Mon Feb 09, 2009 8:57 am    Post subject: Reply with quote

Excellent news, thanks for reporting back.
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Kibik
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PostPosted: Sat Apr 11, 2009 10:35 am    Post subject: Reply with quote

Ched wrote:
Finally got hold of a battery for 5.50 delivered so not too bad. Soldered it in yesterday, very small surface mount solder pads but managed it with out any damage.
It seems to be working as it used to do Very Happy so all is well. I can stick to my trusty pda and TomTom for a while longer. Very Happy
Thanks Darren.

Where did you get the battery from?
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