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

6

A	B	C	D	E	F	G	H	I
Option memory PWB circuit								1/3

6

[4] Circuit FO-3MK

(*1) : (1-3E)(1-3H)(2-2C)(2-2E) (2-2G)(2-4C)(2-4E)(2-4G)

D[15:0] (3-5B)(3-5F)

– 3 –

5

4

3

IC1

(2-6A)

A[19:0]

IC4

74HC244

LH28F800SUT

OCTAL BUFFERS

FLBK4

N.M. 8Mbit FLASH MEMORY

(3-5E)

/MWRH

2

1A1

1Y1

18

/OPMWE

4

(*1)

A20

(3-5E)

/MRD

4

1A2

1Y2

16

/OPMRD

(*1) CNOP-45

R100

DQ15

52

6

1A3

1Y3

14

D1 HRW0502A

A19

5

A19

DQ14

50

CNOP-26

MA19

8

1A4

1Y4

12

R129

91

A19

D2

A18

6

A18

DQ13

47

CNOP-27

MA18

11

2A1

2Y1

9

R128

91

A18

HRW0502A

A17

7

A17

DQ12

45

CNOP-28

MA17

13

2A2

2Y2

7

R127

91

A17

A16

8

A16

DQ11

41

MA16

15

5

R126

91

A16

DG DG

A15

10

A15

39

CNOP-29

2A3

2Y3

DQ10

CNOP-30

MA15

17

2A4

2Y4

3

R125

91

A15

+5V

A14

11

A14

DQ9

36

1

VCC

20

A13

12

A13

DQ8

34

1G

C113

A12

13

A12

DQ7

51

19

2G

GND

10

0.1

A11

17

A11

DQ6

49

IC2

DG

A10

18

A10

DQ5

46

DG

A9

19

A9

44

DQ4

74HC244 OCTAL BUFFERS

A8

20

A8

DQ3

40

CNOP-31

MA14

2

1A1

1Y1

18

R124

91

A14

A7

22

A7

DQ2

38

CNOP-32

MA13

4

1A2

1Y2

16

R123

91

A13

A6

23

A6

DQ1

35

CNOP-33

MA12

6

1A3

1Y3

14

R122

91

A12

A5

24

A5

DQ0

33

CNOP-34

MA11

8

1A4

1Y4

12

R121

91

A11

A4

25

A4

CNOP-35

MA10

11

2A1

2Y1

9

R120

91

A10

A3

26

A3

CE0

14

CNOP-36

MA9

13

2A2

2Y2

7

R119

91

A9

A2

27

A2

CNOP-37

MA8

15

2A3

2Y3

5

R118

91

A8

A1

28

A1

CE1

2

CNOP-38

MA7

17

2A4

2Y4

3

R117

91

A7

32

A0

/WE

55

1

VCC

20

+5V

/OE

54

1G

C110

/FLBSY

53

RY/BY

19

2G

GND

10

0.1

(1-3F)

31

56

+5V

BYTE

WP

IC3

(1-2B) TCS2

1

3/5

VPP

15

DG

DG

16

9

RP

VCC

74HC244 OCTUL BUFFERS

VCC

37

CNOP-39

MA6

2

1A1

1Y1

18

R116

91

A6

3

NC

VCC

43

CNOP-40

MA5

4

1A2

1Y2

16

R115

91

A5

29

NC

CNOP-41

MA4

6

1A3

1Y3

14

R114

91

A4

30

NC

GND

21

CNOP-42

MA3

8

1A4

1Y4

12

R113

91

A3

GND

42

CNOP-43

MA2

11

2A1

2Y1

9

R112

91

A2

GND

48

CNOP-44

MA1

13

2A2

2Y2

7

R111

91

A1

DG DG

	D15			CNOP-45
	D14
	D13
	D12
	D11
	D10
	D9
	D8
	D7
	D6
	D5
	D4
	D3
	D2
	D1		(*2) : (1-3C)(1-3F) +5V
	D0
				(2-1A)(2-1C)
		/FLS0		(2-1E)(2-4A)
			(1-2E)	(2-4D)(2-4F)
					R103
					4.7K
	/OPMWE		CNOP-8		/FLBSY
			(1-5C)	(*2)
	/OPMRD
			(1-5C)
R102					/FLBSY
				(*2)
	0
				+5V
						+5V
					+5V
		C101 C102			(1-2B) TCS2
	C118	0.1	0.1	C4
C116	0.1
				22/16
0.1

IC5

LH28F016SUT

D15

CNOP-10

16Mbit FLASH MEMORY

D14

CNOP-11

FLBK4

4

D13

A20

52

CNOP-12

DQ15

D15

D12

CNOP-13

A19

5

A19

DQ14

50

D14

D11

CNOP-14

A18

6

A18

DQ13

47

D13

D10

CNOP-15

A17

7

A17

DQ12

45

D12

D9

CNOP-16

A16

8

A16

DQ11

41

D11

D8

CNOP-17

A15

10

A15

DQ10

39

D10

D7

CNOP-18

A14

11

A14

DQ9

36

D9

D6

CNOP-19

A13

12

A13

DQ8

34

D8

D5

CNOP-20

A12

13

A12

DQ7

51

D7

D4

CNOP-21

A11

17

A11

DQ6

49

D6

D3

CNOP-22

A10

18

A10

DQ5

46

D5

D2

CNOP-23

A9

19

A9

DQ4

44

D4

D1

CNOP-24

A8

20

A8

DQ3

40

D3

D0

CNOP-25

A7

22

A7

DQ2

38

D2

A6

23

A6

DQ1

35

D1

A5

24

A5

DQ0

33

D0

A4

25

A4

A3

26

A3

CE0

14

/FLS1

(1-2E)

A2

27

A2

A1

28

A1

CE1

2

32

A0

/WE

55

/OPMWE

(1-5C)

53

/OE

54

/OPMRD

(1-5C)

RY/BY

R104

+5V

31

BYTE

WP

56

0

1

3/5

VPP

15

16

RP

VCC

9

+5V

3

VCC

37

C122 C103 C104

NC

VCC

43

C6

C120

0.1

0.1

0.1

29

NC

22/16

30

21

0.1

NC

GND

GND

42

GND

48

DG DG

5

4

3

15	2A3	2Y3	5		IC6
17	2A4	2Y4	3
				+5V	74HC138
		VCC	20
1					3-TO-8 LINE DECORDERS
	1G			C100

GND 0

Vcc 0

DG

GND 0

Vcc 0

DG

2

1

	19 2G	GND 10		0.1	CNOP-47	FLBK1	1	A	Y0	15
					CNOP-46	FLBK2	2	B	Y1	14
DG				DG	CNOP-49	FLBK3	3	C	Y2	13
									Y3	12
	TCS2									11
(3-5E) CNOP-2				TCS2 (1-3C)(1-3F)(2-1A)		+5V			Y4
			R101				6			10
				(2-1C)(2-1E)(2-4A)				G1	Y5
			4.7K	(2-4D)(2-4F)			4	G2A	Y6	9
						/FLOPT	5			7
		DG			CNOP-48			G2B	Y7
	+5V									16
CNOP-7		Vcc 0		+5V					VCC
CNOP-9
										8
	C10	C105	C9	C106					GND
	22/16
		0.1	22/16	0.1
	DG
CNOP-1
CNOP-3		GND 0		DG
CNOP-5

CNOP-50

/FLS0 (1-4E)

/FLS1 (1-4H)

/FLS2 (2-4C)

/FLS3 (2-4E)

/FLS4 (2-4G)

/FLS5 (2-2C)

/FLS6 (2-2E) /FLS7

(2-2G) +5V

C107 0.1

DG

2

1

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