Struggling this week..... still missing five. All help appreciated.
7 ac : "Burns found on sinks with electronic components (3,8)
Presumably "tap switches", but can't see the Burns reference.
7d: "Harry's organisation finds servant" (8) T-G-B-D
10d : "Arrange comfortable retirement for workers with generous cut" (4,2) T - - - -N
14ac : "Stroke fawn" (5) - - A - L
52d : "Cipher in which leading character initially changes to last character" (4) - E - O