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14) adu circuit description – Sharp SF-1120 User Manual

Page 136

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(14) ADU circuit description

(1) ADU circuit block diagram

VH

SU

B D

C

PWB

VB

IC

4

VD

1

2

3

2

DP

F

C

DRRC

CL

UT

C

H

DRR

C

DP

F

C

IC

3

D

RRC

DP

F

C

3

DP

HP

S

1

DP

HP

S

2

D

PED

1

DP

HP

S

1

DP

HP

S

2

DP

E

D

1

SPP

D

1

DP

O

D

DP

T

D

DP

E

D

2

IC

6

IC

1

CP

U

H8

/3

2

9

2

D-T

X

D

D-RE

S

D-DT

R

IC

9

DO

-D7

/PAM

-O

U

T

/W

H

DA

T

A

LU

T

C

H

CL

UT

C

H

ST

EPP

ER

D

R

IVER

2

PAM

2

/B

PAM

2

B

PAM

2

/A

PAM

2

A

PAM

2

STEPPER

PA

M

1

STEPPER

2

PAM

1

/B

PAM

1

B

PAM

1

/A

PAM

1

A

IC

2

ST

EPP

ER

D

R

IVER

DD

M

_

P

W

M

D-RX

D

D-DS

R

D

PED

2

PAPER

SI

ZE AB O

N

L

Y

D

PPD

1

DP

OD

IC

5

A

0 - A 1 5

D

O - D

7

- R D

DD

M

_

DI

R

Q1

-

DD

M

_

DI

R

DD

M

_

P

W

M

IC

8

DD

M

1

DD

M

2

DDM

1

DC M

O

T

E

R

D

R

IVER

Q4

3

RO

M

MA

IN

DP

T

D

2

A

DU S

E

N

C

E

R

PWB

PWB

12 – 17

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