Sharp FO-3MK, 00ZFO3MKCUSME service manual Option memory PWB circuit

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Option memory PWB circuit	3/3
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FO-3MK

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								CNOP
						1	DG	TCS2	2	TCS2	(1-2A)
						3	DG	TCS2	4	/MWRH	(1-2A)
	(1-6H)(2-6H)					3	DG	/MWRH	4	/MWRH	(1-5A)
						5	DG	/MWRH	6	/MRD	(1-5A)
						5	DG	/MRD	6	/MRD	(1-5A)
						7	DG	/MRD	8	/FLBSY	(1-5A)
						7	+5V	/FLBSY	8	/FLBSY	(1-3F)
		DG			+5V	9	+5V	/FLBSY	10		(1-3F)
					+5V	9	+5V	D15	10
						11	+5V	D15	12
						11	D14	D13	12
						13	D14	D13	14
						13	D12	D11	14
						15	D12	D11	16
						15	D10	D9	16
						17	D10	D9	18
	(1-3~5A)					17	D8	D7	18
						19	D8	D7	20
							D6	D5

						21			22
						21	D4	D3	22
						23	D4	D3	24
						23	D2	D1	24
						25	D2	D1	26
						25	D0	MA19	26
						27	D0	MA19	28
						27	MA18	MA17	28
						29	MA18	MA17	30
						29	MA16	MA15	30
						31	MA16	MA15	32
						31	MA14	MA13	32
						33	MA14	MA13	34
						33	MA12	MA11	34
						35	MA12	MA11	36
						35	MA10	MA9	36
						37	MA10	MA9	38
						37	MA8	MA7	38
						39	MA8	MA7	40
						39	MA6	MA5	40
						41	MA6	MA5	42
						41	MA4	MA3	42
						43	MA4	MA3	44
						43	MA2	MA1	44
	(1-5D)(1-5F)(2-3A)(2-3C)(2-3F) FLBK4 45						MA2	MA1	46	FLBK2
	(1-5D)(1-5F)(2-3A)(2-3C)(2-3F) FLBK4 45						FLBK4	FLBK2	46	FLBK2	(1-2D)
	(2-5A)(2-5D)(2-5F)				FLBK1	47	FLBK4	FLBK2	48	/FLOPT	(1-2D)
		(1-2D)			FLBK1	47	FLBK1	/FLOPT	48	/FLOPT	(1-1D)
		(1-2D)			FLBK3	49	FLBK1	/FLOPT	50		(1-1D)
		(1-2D)			FLBK3	49	FLBK3	DG	50
		(1-2D)					FLBK3	DG

DG

(1-6H)(2-6H)	5

(1-3~5A)

4

3

2

1

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Contents Facsimile Option Memory Upgrade PWB Installation procedure Pay attention to static electricity Diagnostic modeGeneral description VER.=FAB0A ROM/RAM Check ListVER.=FAB0X SUM =DE0E A MOption memory PWB circuit Circuit IC8 IC9 IC7IC10 IC11Option memory PWB circuit FO-3MK Copyright 1999 by Sharp Corporation