7. schematic diagram - main board (3/7), I/o1 – i/o8, Ale 17 – Sony Ericsson NWZ-A826K User Manual

Page 24: Cle 16, Xce1 9, Xce2 10, Xre 8, Xwe 18, R/b1 7, R/b2 6

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NWZ-A826/A826K/A828/A828K/A829

NWZ-A826/A826K/A828/A828K/A829

24

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5-7. SCHEMATIC DIAGRAM - MAIN Board (3/7) -

Note 1: When the MAIN board is replaced, format it according

to the “NOTE OF MAIN BOARD REPLACING” (refer
to page 4) of the servicing notes.

Note 2: IC751 and IC752 on the MAIN board cannot exchange

with single. When IC751 and IC752 on the MAIN board
are damaged, exchange the entire mounted board.

6

MAIN

(1/7)

BOARD

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

100k

R767

100k

R765

100k

R756

100k

R755

NAND_D01

NAND_D02

NAND_D03

NAND_D04

NAND_D05

NAND_D06

NAND_D07

NAND_D00

VDD_GP3

NAND_XCS2

NAND_XCS3

NAND_XRD

NAND_CLE

NAND_ALE

NAND_XWR

DGND

0.1

C752

0.1

C753

0.1

C754

0.1

C755

470k

R764

470k

R753

470k

R754

0

R751

NAND_XCS0

NAND_RXB2

NAND_RXB0

NAND_RXB3

1k

R769

47k

R774

47k

R775

47k

R776

47k

R777

47k

R778

47k

R779

47k

R780

47k

R781

NAND_RXB1

NAND_XCS1

0

R758

0

R757

R760 0

0

R761

0

R762

R763 0

470k

R759

NAND_ALE

NAND_CLE

NAND_XRD

NAND_XCS3

NAND_XCS2

NAND_D07

NAND_D06

NAND_D05

NAND_CLE

NAND_ALE

NAND_XWR

NAND_D02

NAND_D00

NAND_D04

NAND_D01

NAND_D03

NAND_RXB2

NAND_RXB0

NAND_XWP

NAND_RXB0

NAND_XRD

NAND_XCS0

NAND_CLE

NAND_ALE

NAND_XWR

NAND_XWP

NAND_RXB1

NAND_XCS1

NAND_RXB1

NAND_XCS1

NAND_RXB1

NAND_RXB2

NAND_XRD

NAND_XCS2

NAND_XCS1

NAND_D07

NAND_D06

NAND_D05

NAND_D04

NAND_D03

NAND_D02

NAND_D01

NAND_D00

NAND_RXB3

NAND_XCS0

NAND_XWR

NAND_XCS3

NAND_RXB3

NAND_D00

NAND_D01

NAND_D02

NAND_D03

NAND_D04

NAND_D05

NAND_D06

NAND_D07

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC(PSL)

NC

NC

NC

NC

NC

R/B2

R/B1

XRE

XCE1

XCE2

VCC

VSS

CLE

ALE

XWE

XWP

I/08

I/07

I/06

I/05

VCC

VSS

I/04

I/03

I/02

I/01

XCE2

NC

NC

NC

VSS

NC(PSL)

ALE

R/B1

NC

NC

I/02

I/08

I/01

NC

NC

I/06

I/03

NC

I/05

NC

NC

NC

VCC

NC

XCE1

XWE

NC

NC

VSS

NC

I/04

NC

NC

NC

R/B2

NC

NC

NC

NC

NC

NC

XRE

NC

XWP

I/07

NC

CLE

VCC

(NWZ-A829)

A828K

NWZ-A828/

IC752

TH58NVG6D1DTG00 (NWZ-A828/A828K)

TH58NVG6D1DTG20 (NWZ-A829)

NAND FLASH MEMORY

IC752

NAND FLASH MEMORY

IC751

IC751

TH58NVG6D1DTG20 (NWZ-A829)

TH58NVG6D1DTG00 (NWZ-A826/A826K/A828/A828K)

(NWZ-A829)

(NWZ-A828/A828K/A829)

(3/7)

MAIN BOARD

C

8

6

3

10

D

E

4

B

1

11

7

A

2

9

5

(Page 22)

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