XDR-F1HD PSU Modification
Suitable components:
IC1	TS2567CZ550CO	RS # 398-477
IC2	LM1117MPX-ADJ	RS # 535-8663
C1,4,5	22µF 25V low ESR	RS # 519-4295	(50V)
C2,3	220µF 25V low ESR	RS # 519-4166	(35V)
D2	Schottky 3A 30V
eg	SR303	
	1N5821		RS # 447-1557	MOQ 10
	SB330
	1N5822		RS # 654-7139	MOQ 10
	(MBRB745)
	(MBRB1045)
	MBRD340	RS # 650-3404	MOQ 5
			RS # 464-287	MOQ 10	
L2	100-330µH 1A min	
eg
*	330µH 1A		Farnell # 1644781	EPCOS - B82623G0001A008 - CHOKE, RING CORE, 0.33MH, 1A 
	330  1A		Farnell # 3877711	EPCOS - B82479A1334M - INDUCTOR, 330UH, 1000MA
	330  1A		Farnell # 1644653	EPCOS - B82477P4334M000 - INDUCTOR, POWER, 330UH, 1.02A
	330  2.6A		Farnell # 1644826	EPCOS - B82730U3262A020 - CHOKE, U CORE, 
330UH 2.8A 		CPC # PW00041	Murata 1433428 	1+  £2.76  (£3.17)  
0.33MH, 2.6A
	220µH 1.2A	Farnell # 3877700	EPCOS - B82479A1224M - INDUCTOR, 220UH, 1200MA 
	220  1.16A		Farnell # 7430450	EPCOS - B82477G4224M - INDUCTOR, POWER, 220UH 
	220  1.2A		Farnell # 1644650	EPCOS - B82477P4224M000 - INDUCTOR, POWER, 220UH, 1.24A

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memory battery		RS # 228-6379	£3.20