Hardware mod for starting GTA02v5 without battery?

Wed May 20 03:04:13 CEST 2009

On Sun, May 10, 2009 at 08:51:39PM +0200, Rask Ingemann Lambertsen wrote:
> On Sat, May 09, 2009 at 10:36:19PM -0400, Paul Buede wrote:
>> It's a hardware mod. It's capacitor C1767, page four of the schematics[1]
> at the bottom. There's a (rather poor) picture of a reworked A5 here:
>> http://lists.openmoko.org/pipermail/openmoko-kernel/2008-July/003963.html

 Much better picture here (from thread mentioned below):
http://lists.openmoko.org/pipermail/openmoko-kernel/attachments/20080205/7246629a/attachment.jpg
> Electrically, the rework is simple enough: Just connect a larger
> capacitor in parallel to the existing one. But it sits under the main can,
> so making it fit isn't easy. The picture of the reworked device isn't very
> good, but it looks like a capacitor has been connected to the VB_SYS side of
> R1768 and to the GND side of C1722.

 See also this thread on the kernel list:
http://lists.openmoko.org/pipermail/openmoko-kernel/2008-February/000852.html
 Alternative A5 rework here:
http://lists.openmoko.org/pipermail/openmoko-kernel/2008-February/000883.html
-- 
Rask Ingemann Lambertsen
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