23 Jan
2018
23 Jan
'18
7:54 a.m.
1) The EMI filter had gone open-circuit - it's one
of those metal can types
which is integrated with the IEC power input connector. Are these still
obtainable anywhere? It seems like equipment these days just has the
filtering directly on the PSU board, rather than as a separate module. I've
just bypassed it for testing, but I don't want to leave it like that.
You can still get these. The hard part is finding one which will fit
properly unless you are willing to bodge it together a bit. Just search
for "C14 EMI" on eBay and you'll find hundreds of them. Maybe you've
seen them already and were just surprised by how small they have become :)
You can also just remove it, and (safely) wire in a fixed power cord.
Aaron.