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sdrichards
Occasional Visitor
Joined: Dec 03, 2006
Posts: 2
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 Posted: Tue Dec 05, 2006 12:14 am Post subject: TomTom ONE USB cable |
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I have mislaid my TomTom ONE USB cable and I have tried another USB-miniUSB cable as well as a USB-miniUSB adapter neither of which worked.
Does TomTom ONE use a "special" USB cable or is the USB connector on my ONE broken? |
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Andy_P
Pocket GPS Moderator
Joined: Jun 04, 2005
Posts: 19991
Location: West and Southwest London
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| Posted: Tue Dec 05, 2006 12:34 am Post subject: |
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I use the mini-USB cable that came with my Canon camera for my Go, so I don't think it is anything special.
There were reports of (I think) the x10 models needing a really good push to get the plug to go fully in (a sort of second click).
Have you tried all combinations of PC and TomTom power on and off when you connect? Can you try another PC? |
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sdrichards
Occasional Visitor
Joined: Dec 03, 2006
Posts: 2
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| Posted: Tue Dec 05, 2006 7:53 pm Post subject: |
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| OK - I removed and replaced the SD card and now the USB connection works again (with any USB-miniUSB cable). I don't know why this should be the case but I will certainly try this approach next time I have any sort of problem. |
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DennisN
Tired Old Man
Joined: Feb 27, 2006
Posts: 14893
Location: Keynsham
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| Posted: Wed Dec 06, 2006 9:40 am Post subject: |
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For mine, I use a different USB cable with a little fat thing on (sorry to use technical terms 8O ) otherwise I sometimes get failure.
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Dennis
If it tastes good - it's fattening.
Two of them are obesiting!! |
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TomDavison
Lifetime Member
Joined: Mar 02, 2006
Posts: 384
Location: Bedford, England
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| Posted: Wed Dec 06, 2006 9:48 am Post subject: |
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| Quite often, these cables contain a PFM circuit, without which they don't operate properly for specific devices. The PFM wiring is in the "fat bit" you describe. |
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davidbeaty
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Joined: Jan 15, 2006
Posts: 37
Location: Watford
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| Posted: Wed Dec 06, 2006 10:15 am Post subject: |
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If it's of any use, the mini-USB cable I have with my Motorola phone and Blackberry all work with my TomTom One V1.
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Sony K750i on Orange PAYG
pocket GPS camera POI + real voice warnings |
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Andy_P
Pocket GPS Moderator
Joined: Jun 04, 2005
Posts: 19991
Location: West and Southwest London
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| Posted: Wed Dec 06, 2006 1:59 pm Post subject: |
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| TomDavison wrote: | | Quite often, these cables contain a PFM circuit, without which they don't operate properly for specific devices. The PFM wiring is in the "fat bit" you describe. |
Don't know what a PFM circuit is (do tell please, Tom!), but usually the lump is just a ferrite inductor. The cable loops through it to reduce induced interference at RF frequencies. |
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DennisN
Tired Old Man
Joined: Feb 27, 2006
Posts: 14893
Location: Keynsham
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| Posted: Wed Dec 06, 2006 9:13 pm Post subject: |
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| Andy_P2002 wrote: | | TomDavison wrote: | | Quite often, these cables contain a PFM circuit, without which they don't operate properly for specific devices. The PFM wiring is in the "fat bit" you describe. |
Don't know what a PFM circuit is (do tell please, Tom!), but usually the lump is just a ferrite inductor. The cable loops through it to reduce induced interference at RF frequencies. |
No, Andy, it's a fat bit - see my previous post - I'm doing Technical now. 
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Dennis
If it tastes good - it's fattening.
Two of them are obesiting!! |
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TomDavison
Lifetime Member
Joined: Mar 02, 2006
Posts: 384
Location: Bedford, England
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| Posted: Wed Dec 06, 2006 9:57 pm Post subject: |
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| Andy_P2002 wrote: | | TomDavison wrote: | | Quite often, these cables contain a PFM circuit, without which they don't operate properly for specific devices. The PFM wiring is in the "fat bit" you describe. |
Don't know what a PFM circuit is (do tell please, Tom!), but usually the lump is just a ferrite inductor. The cable loops through it to reduce induced interference at RF frequencies. |
Pure F***ing Magic |
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Andy_P
Pocket GPS Moderator
Joined: Jun 04, 2005
Posts: 19991
Location: West and Southwest London
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| Posted: Thu Dec 07, 2006 1:24 am Post subject: |
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| Thanks Tom! |
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Skater
Lifetime Member
Joined: Jul 02, 2005
Posts: 32
Location: Breckland, Norfolk
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| Posted: Thu Dec 07, 2006 10:43 am Post subject: |
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| Quote: | | The cable loops through it to reduce induced interference at RF frequencies. |
I often wondered what the fat bit was, I got one on my camera USB cable  |
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