Thanks Nino

I just got some slo blo fuse from jaycar, 1 amp and 1.5 amp, I also got a circuit breaker to trouble shoot the system, I read about using these on another post.
Lowest value circuit breaker I could get was 3 amp, is this going to be to high to trouble shoot the under playfield fuse??

I can't check the solonoids in diagnostics, as soon as I power up the machine the new fuse blows. I think the coil that resets the drop targets is at fault, it looks pretty crispy. Although it reads about 5 ohms with my multi meter, however I suspect my old multi meter is not reading true as it rates all the coils at approx 3 ohms which suggests they are all buggered, could be I suppose but hope not.
My new Fluke multi meter should be here in a few days so I can do some serious testing then.