Thu Feb 28, 2019 8:30 am
Thu Feb 28, 2019 12:09 pm
Thu Feb 28, 2019 12:52 pm
Thu Feb 28, 2019 6:49 pm
Fri Mar 01, 2019 3:52 pm
Fri Mar 01, 2019 4:26 pm
Fri Mar 01, 2019 4:40 pm
Paul_C wrote:I have a feeling the problem is most likely to be a 10uf polarised cap put in the wrong way round (for some reason the layout isn't very clear which way up it should be so I took a guess).
Fri Mar 01, 2019 4:49 pm
Jero wrote:Paul_C wrote:I have a feeling the problem is most likely to be a 10uf polarised cap put in the wrong way round (for some reason the layout isn't very clear which way up it should be so I took a guess).
The negative should go to the same row as the input
Sat Mar 02, 2019 10:56 am
Sat Mar 02, 2019 2:10 pm
Sat Mar 02, 2019 7:01 pm
Mon Mar 04, 2019 8:25 am
Paul_C wrote:I've still not decided on finishes for them, but I've done a little bit of decorating so I know which is which in the meantime.
Mon Mar 04, 2019 2:39 pm
Mon Mar 04, 2019 7:39 pm
Tue Mar 05, 2019 7:50 am
Paul_C wrote:More checking this evening and nothing obvious found, so I decided that as I've got lots of parts I'd make another board, as the practice would do me good.
The only thing I changed was a 2N2222 for the 2N2907 (more out of curiosity than anything else) but to save time I wired it up to the existing off-board wiring.
Nothing.
So based on that I'm going to redo all the off-board stuff and see if that's where the problem is (as seems likely), sit tight for the update where I confess which foolish mistake I made