I think I could probably turn it around for about £20. I've cleaned dust from my TZ35 sensor so no worries about tearing into a compact. Got a bid on a TZ4 for about £5 plus post.
This is the two part video I watched:
https://www.youtube.com/watch?v=frtQxryDTo8
https://www.youtube.com/watch?v=13hNNn_OMKU