Service manual

ManualsBrandsSharp ManualsBusiness equipment340L - UX B/W Thermal Transfer

UX-340L/UX-345L

UX-330L

8 – 4

[2] IC signal name

CONTROL PWB UNIT

IC5: VHiULN2003AN/ (ULN2003ANS)

IC7: VHiTC74HCU04F(TC74HCU04F)

IC3: VHiW24258S7LE (W24258S-70LE)

IC11: VHiHCF4053M1T (HCF4053B)

16 15 14 13 12 11 10 9

12345678

1B 2B 3B 4B 5B 6B 7B E

1C 2C 3C 4C 5C 6C 7C COM

14 13 12 11 10 9

123456

1A 1Y 2A 2Y 3A 3Y

VCC 6A 6Y 5A 5Y 4A

8

4Y

7

GND

Signal

A0~A14

CS1/CS2

WE

OE

I/O1~I/O8

VDD

VSS

Address input

Chip enable

Write enable

Write enable

Data I/O

Power source

Ground

1

2

3

4

5

6

7

8

9

10

11

12

13

14

A14

A12

A7

A6

A5

A4

A3

A2

A1

A0

IO1

IO2

IO3

VSS

28

27

26

25

24

23

22

21

20

19

18

17

IO5

IO6

IO7

IO8

CS1

A10

CS2/OE

A11

A9

A8

A13

WE

VDD

(TOP VIEW)

16

15 IO4

Pin name

6

11

10

9

12

13

2

1

Inhibit

Controls

14

15

Common

Out/In

5

Switches

In/Out

4

3

A

B

C

X0

X1

Y0

Y1

Z0

Z1

X

Y

Z

VDD: Pin 16

VSS: Pin 8

VEE: Pin7