gta02 pcb layout

[mobi phil]

hi!

that was a lovely quick answer.. .found the schematics, but was not finding
the pcb layout.

it looks that I broke the one toward the gps unit, that is towards the
ground, which is normaly not used... or .. is it used on gta02?


On Wed, May 14, 2014 at 12:07 AM, joerg Reisenweber <joerg at openmoko.org>wrote:

> On Tue 13 May 2014 23:49:13 mobi phil wrote:
> > Hi,
> >
> > after years, was for "scientific" :) reasons wanted to give a new life to
> > the gta02 I own. Opened it, and the usb connector was enough fragile.
> Tried
> > to resolder it but the pcb couper line broke. Cannot see precisely to
> which
> > resistor that line connected. So need a very good magnified photo or the
> > pcb. Anybody can help?
>
> schematics
> <
> http://people.openmoko.org/joerg/schematics/GTA02/Schematics_Freerunner-GTA02_A5-A7cumulative_public_RC0.pdf
> >
> together with component placement
> http://people.openmoko.org/joerg/schematics/GTA02/lindi-searchable/
> should go a long way for this. Usually ti's just a question to find the
> right
> one of two ends of a 0402 resistor or capacitor. The other (wrong) end is
> usually connected to another similar 0402 component (or GND, or Vdd) so by
> testing for 4 conductance aka 0R connections from both ends of component A
> to
> both ends of component B you should be able to spot the "wrong end". The
> other
> one is the right end then, which you want to use to connect your bridging
> wire
> to.
>
> If you need more help, just holler.
> /j
> --
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-- 
rgrds,
mobi phil

being mobile, but including technology
http://mobiphil.com
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