Cryptic crossword No 3,184

Across

1. Turned up before opening of breakfast bar (3)
2. Philosophy favouring 16, or terrible scam bringing Depression (the greatest)? (10)
3. It could be "Let It Be" or "Let It Go" or "Let It Loose" (5)
4. Beer number ten and previous monarch could be a great one! (9)
5. Last of battalion remains, with struggle to hold lines in country's main city (9)
6. Some provide nutrients, in turn brought into resonance (5)
7. This name might ring one - his invention often did! (4)
8. "The Help", heart-melting production, one which 10 20 13 got 1 down for on 10/3/1876 (9)
9. A "yes" from Russia, and mainstream media is to help sources such as 5 15 author (4,5)
10. Direct from start to silly finish (4)
11. Sleepy Australian, finally back to Australia, will siesta (5)
12. Reversed deterioration with food being processed a second time, with no carbon, iron or copper typically (9)
13. 19s using poles mimicking lead in characteristics (9)
14. Basically, box outside offering 14 across handset? (5)
15. Getting stabbed with dagger unexpectedly, spilled claret, becoming messy (10)
16. Uncle with origins in soliciting American minors? (3)

Down

1. Major streak running on Nasdaq and NYSE? (7)
2. Second one trying to interpret concentrated less (7)
3. Overlooked Double Bay opening, surrounded by frolicking nudes (7)
4. Author sounding green in 2013 extracts from "Green Eggs And Ham" (6)
5. Inspire with a puzzle (5)
6. Known as a loved feature of Hooters (5)
7. Obvious place for sound gear at outdoor gig? (6)
8. In place of bathing, she starts to bathe, and she catches David's eye (9)
9. Herb fixed liver after check (7)
10. Noble to pursue source of principle as something to be treasured (5)
11. Rejecting all kings and head of church threw earl, tho factions embraced new textbook for 3 across? (3,6,2,7)
12. See 5d
13. Apple moved to imprison troublesome union leaders, and surged (5,2)
14. Gently holds student, terribly scared outside (7)
15. Travelling Andes in car (5)
16. Spotting flighty types starting to take wing, having urge within (9)