OT transport buttons no longer very responsive - DIY fixes?

[sezare56]

Open and talk gently to the button guys…

Broken button< help>

Just wrote lengthy reply. Then deleted it by mistake. If you are confident with this sort of thing, it is quite easy fix. If you are still under warranty send it in. The ballbearing sits on the contacts. The spring pushes the ball down. It matters which way round the switch is aligned. I used a tiny bit of superglue to keep the spring inside the plunger (tiny amount) - try it without the glue for a bit, it will annoy you, then you will know what to do and why. When you realise what you need …

There are 2 types of contact sprays. Not sure, it may depends on switch type.