Backup battery discharged -> GTA01 and GTA02 dead

Rod Whitby rod at
Mon Jul 21 14:48:27 CEST 2008

Andy Green wrote:
> Somebody in the thread at some point said:
> | I'm happy to keep probing here to find the problem, but I don't have SMT
> | rework equipment to fix anything serious.  If it's a missing cap that
> | could be scavenged from a GTA01 (I have two of those that don't work
> | either) then I'm up to trying to solder that on (I have a temp
> | controlled station with a 1mm tip and a steady hand).
> |
> | Which shield do I start lifting ;-)
> Carefully pop the biggest can and look for a "flying cap" as seen in the
> attached pic.
> If it ain't there (or maybe fell off?) you need to add one.

Can is off, and it looks like the VB_SYS cap is there.  It's a medium 
size cap, which looks like it's been soldered on top of the placed 
smaller caps.  Which end of it should I check for VB_SYS?  Left or right 
in your picture?

I'll take a photo in the sunlight tomorrow and send to confirm.

-- Rod

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