So I use this slim line lovely as a phono stage. Some of the switches are a little bit fuzzy when turned (when I use it in pre amp stage obviously). So I got me Servisol Super 10, but I can't see an obvious place to spray it. Hopefully these pics will help someone explain to me. Ta.

IMG_20180131_232810397 by Mike Van, on Flickr
IMG_20180131_232731429 by Mike Van, on Flickr
IMG_20180131_232652947 by Mike Van, on Flickr