Sony NW-MS6 service manual SN74LV139APWR

NW-MS6

IC5600

HY62UF16201ALLF-85I

IC5800

SN74LV139APWR

I/O3 I/O1

CE

A2

A10 A13

A15

A16

A7

A6 A4

A1

VCC

(ENABLE)2G

2A

2B

2Y0

2Y1

2Y2

2Y3

36 35

34

33

32 31

30 29 28 27 26 25

SELECT

DATA OUTPUTS

I/O4

37

24

A9

16

15

14

13

12

11

10

9

I/O5

38

23

A12

WE

39

A

B

Y0

Y1

Y2

Y3

G

A11

40

22

A14

G

B

Y0

Y1

Y2 Y3

A

ADDRESS

ADDRESS

ADDRESS

21

NC

1

2

3

4

5

6

7

8

NC

41

BUFFER

BUFFER

BUFFER

20

NC

PRE DECODER

(ENABLE)

SELECT

DATA OUTPUTS

GND

18

A3

19

A5

1A

1B

1Y0

1Y1

1Y2

1Y3

17

A0

1G

COLUMN

BLOCK

ROW

16

A8

DECODER

DECODER

DECODER

15

NC

IC6000

XC62GR3312MR

MEMORY ARRAY

I/O0

42

128k x 16

I/O2

43

VCC

44

SENSE

WRITE DRIVER

14

I/O13

VSS

1

VIN

2

5

VOUT

VSS

45

13

I/O12

DATA I/O

CURRENT

I/O6

46

BUFFER

LIMIT

I/O7

47

+

NC

48

–

1

2

3

4

5

6

7

8

9

10

11 12

CE

3

OUTPUT

REFERENCE

BLE

I/O8

I/O9

VSS

VCC

I/O14

I/O15

NC

OE

BHE

I/O10

I/O11

CONTROL

VOLTAGE

4

NC

IC6002

CXK2000EN-T2

CS

1

VREF

VPP

8

VCC

GENERATOR

7

RDY/BUSY

INSTRUCTION

VPP SW

DECODE

SK

2

CONTROL

&

CLOCK

ADD

DECODER

GENERATION

BUFFERS

					EEPROM
					16384BIT
DI	3	INSTRUCTION		R/W AMPS	1024 X 16
		REGISTER			6	RESET
				&
		DATA	16	AUTO ERASE	16
		REGISTER

DO 4

5 GND

28