On 3 Oct 2011, at 16:22, Thomas Harte wrote:
> It looks like a previous owner of my current SAM has had occasion to
> replace resistor R55, or at least, to solder an additional copy of R55
> on top of the existing one. See http://postimage.org/image/1g4kbz490/
>
> Immediate follow-on questions, m
"Thomas Harte" wrote:
It looks like a previous owner of my current SAM has had occasion to
replace resistor R55, or at least, to solder an additional copy of R55
on top of the existing one. See http://postimage.org/image/1g4kbz490/
That's something I've seen on a lot of SAM motherboards by
If the original R55 has blown, i.e no current is able to pass through
it, then the piggy backed R55 will restore the circuit as intended.
If the piggy-backed one has blown as well I'd be concerned as to what
is causing this to happen!
My SAM has an intermittent fault involving the 'bright' palette bit
having no effect. In reality it seems to be so intermittent now that
I'm not sure I still have a problem but nevertheless I thought I'd
open the case and clean out any dust, etc, since even my very low
level of electrical competenc
