In message <m1BC2pD-000JAXC@p850ug1> you wrote:
I've
replaced all the electrolytics on the LV side that I could see. I've
just noticed a 1uF 50V that I missed - I don't think I've got a 1uF 50V 1=
05
deg C in stock though.
I think any 1uF 50V (or higher) would do to prove the point :-).
I've just
swapped out the cap with a cheapo 85C 1uF and the PSU is working
again. Now I need to find some way of repairing the casing. Two of the
Right... I've actually had low-value caps go essentially open-circuit
before...
screw-posts seem to be OK, but the other two have
disintegrated. Only one of
the two remaining screw-posts seems to work - the screw keeps slipping out of
Can you cut off the screw posts and replace them with something else (say
a hard plastic rod, with suitable holes drilled and tapped in the ends).
the other.
So on the one hand I've got a working Acorn A4 power supply. On the other
hand, the casing is knackered :-/
Does it haveto br the original casing, or could you use some other box of
a suitable size. OK, it wouldn't be original, but...
-tony