14) adu circuit description – Sharp SF-1120 User Manual
Page 136
(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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