Cryptic Crossword No. 7 by Cincinnus

Across

1 I can't stir, I've become idle (8)
5/29 Station that's paid for by churchman, we hear (6,6)
9 Hanger-on is obstacle to clean base (8)
10/17 Powerful radios shatter goblets to smithereens (6,8)
12 Cash produced from stock ... (5-4)
13 ... cash required for pizza (5)
14/22 Revolutionary pinches hat from cricketer (4,6)
16 Try place for athletic contest (4-3)
19 Rock singer learning part of leitmotiv (7)
21 To boot a bit of leather (sic) (4)
24 Boy going round a large art exhibition (5)
25 Waterfront in one West Indian capital or another (9)
27 Draw out note that's not forbidden (6)
28 Measure introduced in parts of Burma to provide protection (8)
29 See 5
30 Some theologians were dogmatically refuted (8)

Down

1 Not acquired in the capital of Bolivia or the capital of Nicaragua (6)
2 A liberal in another country (6)
3 Obsequious character given plug in play (5)
4 Scoundrel dwelling at home (7)
6 Terribly dry, Noah - no good without water (9)
7 Bridge partners about to reverse strange quiet bid (2,6)
8 Teeny hop, dance for a beginner (8)
11 They're bestowed on visitors in some hospitable islands (4)
15 Lose piano that's been tuned for a dance (9)
17 See 10 Across
18 Burn in fire, possibly with more embellishment? (8)
20 Black in Bluegrass State (4)
21 Name given to a Swiss banker: Greenback? (7)
22 See 14 Across
23 One going to the Netherlands and getting away from the coast (6)
26 Cabinet minister providing material for Thatcher (5)