Sharp AR-M350U/M450U, AR-M350N/M450N service manual #!$

Page 34

A

B

C

=?%+4%7+6&+#)4#/HO[SDRAM]

!"#!$

5

2

MWE

2

2

MCS0

2

MRASA

2

2

MCASA

2

3_MD[63:0]

2

2

SDQMA[7:0]

2

MAA[12:0]

2

BSEL0A

2

BSEL1A

IC4

IC6

MAA0

3_MD0

MAA0

3_MD32

23

A0

QD0

2

23

A0

QD0

2

MAA1

24

4

3_MD1

MAA1

24

4

3_MD33

A1

QD1

A1

QD1

MAA2

25

5

3_MD2

MAA2

25

5

3_MD34

A2

QD2

A2

QD2

MAA3

26

7

3_MD3

MAA3

26

7

3_MD35

A3

QD3

A3

QD3

MAA4

29

8

3_MD4

MAA4

29

8

3_MD36

A4

QD4

A4

QD4

MAA5

30

10

3_MD5

MAA5

30

10

3_MD37

A5

QD5

A5

QD5

MAA6

31

11

3_MD6

MAA6

31

11

3_MD38

A6

QD6

A6

QD6

MAA7

32

13

3_MD7

MAA7

32

13

3_MD39

A7

QD7

A7

QD7

MAA8

33

42

3_MD8

MAA8

33

42

3_MD40

A8

QD8

A8

QD8

MAA9

34

44

3_MD9

MAA9

34

44

3_MD41

A9

QD9

A9

QD9

4

MAA10

22

45

3_MD10

MAA10

22

45

3_MD42

A10/AP

QD10

A10/AP

QD10

MAA11

35

47

3_MD11

MAA11

35

47

3_MD43

A11

QD11

A11

QD11

MAA12

36

48

3_MD12

MAA12

36

48

3_MD44

A12

QD12

A12

QD12

50

3_MD13

50

3_MD45

QD13

QD13

51

3_MD14

51

3_MD46

QD14

QD14

3.3V

40

NC

53

3_MD15

3.3V

40

NC

53

3_MD47

QD15

QD15

1

VCC

VCCQ

3

3.3V

1

VCC

VCCQ

3

3.3V

14

9

14

9

C11

VCC

VCCQ

C13

VCC

VCCQ

27

43

27

43

VCC

VCCQ

C297

VCC

VCCQ

C299

28

49

28

49

0.1uF

VSS

VCCQ

0.1uF

VSS

VCCQ

41

6

41

6

VSS

VSSQ

0.1uF

VSS

VSSQ

0.1uF

54

12

54

12

VSS

VSSQ

VSS

VSSQ

46

46

SDQMA1 39

VSSQ

SDQMA5 39

VSSQ

52

52

UDQM

VSSQ

UDQM

VSSQ

SDQMA0

15

SDQMA4

15

LDQM

LDQM

2

20

17

20

17

BS0

CAS#

BS0

CAS#

21

18

21

18

BS1

RAS#

BS1

RAS#

21

MEMCLK0

38

CLK

CS#

19

38

CLK

CS#

19

37

16

37

16

2

CKEA

CKE

WE#

CKE

WE#

MT48LC8M16A2TG-75

MT48LC8M16A2TG-75

21

MEMCLK0

2

2

3

2

MAA0

IC5

3_MD16

MAA0

IC7

3_MD48

23

A0

QD0

2

23

A0

QD0

2

MAA1

24

4

3_MD17

MAA1

24

4

3_MD49

A1

QD1

A1

QD1

MAA2

25

5

3_MD18

MAA2

25

5

3_MD50

A2

QD2

A2

QD2

MAA3

26

7

3_MD19

MAA3

26

7

3_MD51

A3

QD3

A3

QD3

MAA4

29

8

3_MD20

MAA4

29

8

3_MD52

A4

QD4

A4

QD4

MAA5

30

10

3_MD21

MAA5

30

10

3_MD53

A5

QD5

A5

QD5

MAA6

31

11

3_MD22

MAA6

31

11

3_MD54

A6

QD6

A6

QD6

MAA7

32

13

3_MD23

MAA7

32

13

3_MD55

A7

QD7

A7

QD7

MAA8

33

42

3_MD24

MAA8

33

42

3_MD56

A8

QD8

A8

QD8

MAA9

34

44

3_MD25

MAA9

34

44

3_MD57

A9

QD9

A9

QD9

MAA10

22

45

3_MD26

MAA10

22

45

3_MD58

A10/AP

QD10

A10/AP

QD10

MAA11

35

47

3_MD27

MAA11

35

47

3_MD59

A11

QD11

A11

QD11

MAA12

36

48

3_MD28

MAA12

36

48

3_MD60

A12

QD12

A12

QD12

50

3_MD29

50

3_MD61

QD13

QD13

51

3_MD30

51

3_MD62

QD14

QD14

40

NC

53

3_MD31

40

NC

53

3_MD63

QD15

QD15

1

VCC

VCCQ

3

3.3V

1

VCC

VCCQ

3

3.3V

14

9

14

9

0.1uF

VCC

VCCQ

C14

VCC

VCCQ

27

43

27

43

VCC

VCCQ

C298

VCC

VCCQ

C300

28

49

28

49

C12

VSS

VCCQ

0.1uF

VSS

VCCQ

41

6

41

6

VSS

VSSQ

0.1uF

VSS

VSSQ

0.1uF

54

12

54

12

VSS

VSSQ

VSS

VSSQ

46

46

SDQMA3

VSSQ

SDQMA7

VSSQ

39

UDQM

52

39

UDQM

52

VSSQ

VSSQ

SDQMA2

15

SDQMA6

15

LDQM

LDQM

20

17

20

17

2

BS0

CAS#

BS0

CAS#

21

18

21

18

BS1

RAS#

BS1

RAS#

21

MEMCLK0

38

CLK

CS#

19

38

CLK

CS#

19

37

16

37

16

CKE

WE#

CKE

WE#

MT48LC8M16A2TG-75

MT48LC8M16A2TG-75

21

MEMCLK0

1

A

B

C

AR-M350U CIRCUIT DIAGRAM 9-16

Image 34

Contents Product composition AR-NC5JSystem Configurations StandardAR-M350U/M450U AR-RK1AR-DU4 AR-EF1AR-RK1 AR-DU3Basic Specification Base Engine AR-M350U/M350N/M450U/M450NOutput Equipment Specific FunctionDocument Feeding Equipment Printer FunctionExpanded RAM Scanner functionCopy function APS Copy FunctionAMS AR-SC1 Supply system tableEurope AR-SC2Production number identification Environmental conditionsInstalling procedure flowchart AR-M350U Unpacking and InstallationAR-P14 installing procedure =?702#%=?702#%-+0#0&+056#..#6+10HO Self print of set values Maintenance System TableAR-M350U Maintenance Scanner / DspfEngine section Peripheral devices ADU22-10 Block Diagrams MFP Control PWBfor AR-M350U/M450UJtag BGA G/A BGA CN3PCI-Bus Sdram IC22, IC27 24MBCN1 =?%+4%7+6&+#4#/HO!#!$ Circuit Diagram #!$VSS EL1 IC19A CKE #!$ IC19B VDD GND #!$ ASYSCMD3 Pclkd Pclkdr SYSCMD80 IC19C Pciclki #!$ #!$