AR-335 (serv.man19). AR280 285 335 Circuit ICU PWB - Sharp Copying Equipment Service Manual (repair manual). Page 7

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1
2
3
4
5
6
7
8
D
C
B
A
D
C
B
A
1
2
3
4
5
6
7
8
R114
0J
R128
402F
IC11
AD9561
D0(LSB)
26
D1
27
D2
28
D3
1
D4
2
D5
3
D6
4
D7(MSB)
5
CLOCK
6
CAL START
17
SEM/DEM
25
LEM/TEM
24
RSET
14
/PWR REDUCE
12
VDD
7
VDD
9
VDD
16
VDD
19
VDD
23
GND
8
GND
10
GND
13
GND
15
GND
20
GND
22
OUT
21
CAL OUT
11
RETRACE
18
C111
223Z
C7
22/6.3
+
IC6
DS90C031
DIN1
1
DIN2
7
DIN3
9
DIN4
15
EN
4
/EN
12
GND
8
DO1+
2
/DO1-
3
DO2+
6
/DO2-
5
DO3+
10
/DO3-
11
DO4+
14
/DO4-
13
VCC
16
IC10
TD62503F
I1
1
I2
2
I3
3
I4
4
I5
5
I6
6
I7
7
COM
8
O1
16
O2
15
O3
14
O4
13
O5
12
O6
11
O7
10
NC
9
C13
104Z
C145
223Z
C146
223Z
C14
104Z
R132
0J
X3
39.035MHz
VCC
1
OUT
3
G
2
C126
102K
R127
5.6KJ
R126
5.6KJ
C127
223Z
C12
22/6.3
+
C15
104Z
C128
223Z
C129
223Z
C130
223Z
C131
223Z
R113
0J
R112
0J
R115
0J
R116
0J
R117
0J
R118
0J
R119
0J
L101
BLM21B601SPT
R131
10KJ
R129
5.6KJ
C118
223Z
C119
223Z
C117
223Z
C116
223Z
C168
223Z
IC16
M66235FP
CLK IN
1
TEST1
2
TEST2
3
TEST3
15
TR
13
GND
5
GND
14
CNTCK
9
CKO
11
PULSE
4
/CKO/2
6
CKO/2
7
/CKO
10
VCC
12
GND
8
VCC
16
IC7
LSU G/A
VDD
1
D0
2
D1
3
D2
4
VDD
5
GND
6
D3
7
D4
8
D5
9
GND
10
AMC
11
D6
12
D7
13
VDD
14
GND
15
A0
16
SMC
17
A1
18
OUT4
19
A2
20
A3
21
GND
22
GMD0
23
GMD1
24
VDD
25
GND
26
GMD2
27
GMD3
28
GMD4
29
VDD
30
GND
31
GMD5
32
GMD6
33
GMD7
34
GND
35
BUNRI
36
\R
D
37
\W
R
38
VDD
39
GND
40
\C
S
41
\R
ES
ET
42
FCL
K
5
43
GND
44
TES
T
45
DENB
46
CL
K O
47
OUT5
48
OUT6
49
GND
50
VDD
51
CLK C
52
\HSYNC
53
READY
54
VDD
55
GND
56
\CALO
57
\LCFWE
58
LDBS ON
59
GND
60
\AREA FAX
61
LDO0
62
LDO1
63
VDD
64
GND
65
LDO2
66
LDO3
67
LDO4
68
GND
69
OUT7
70
LDO5
71
FM11
72
LDO6
73
LDO7
74
VDD
75
GND
76
LP
W
1
77
LP
W
2
78
LP
W
3
79
VDD
80
GND
81
LP
W
4
82
OUT0
83
OUT1
84
GND
85
FM
21
86
STA
R
T
87
ENAB
LE
88
VDD
89
GND
90
ADJ
U
ST
91
LD
C
L
K
92
CAL
IN
93
GND
94
SCK
95
CL
KTRG
96
\B
D
97
OUT2
98
OUT3
99
GND
10
0
IC105A
74AC08
1
2
3
C132
223Z
Q101
DTA114YKA
3
1
2
R111
1.2KJ
Q102
DTC114YKA
3
1
2
IC12A
74ACT32
1
2
3
C144
104Z
IC12C
74ACT32
9
10
8
R101
1KJ
IC101B
74ALS74
D
12
Q
9
CLK
11
Q
8
PR
10
CL
13
IC4B
74VHCT08
4
5
6
IC4C
74VHCT08
9
10
8
IC4A
74VHCT08
1
2
3
C107
223Z
C108
223Z
C243
104Z
VIDEO
VIDEO\
LDON\
START
B1
B2
LD7
LD6
LD5
LD4
LD3
LD2
LD1
LD0
READY\
B3
B4
LD0
LD1
LD2
LD3
LD4
LD5
LD6
LD7
LDCLK
LDCLK
CALIN
CALIN
CALO
GMDL0
GMDL1
GMDL2
GMDL3
GMDL4
GMDL5
GMDL6
GMDL7
CLK_C
A2
A3
A4
A5
CAD0
CAD1
CAD2
CAD3
CAD4
CAD5
CAD7
CAD6
SYNC\
+5V1
+5V1
+3.3V
+5V1
+5V1
+5V1
+5V1
+5V1
+3.3V
+5V1
+5V1
+5V1
HSYNC\
RD0\
WR0\
CS_LSUGA\
RES_IMG\
LSU_32MHz
LD_START
CAD [0:31]
A [2:23]
GMDL [0:7]
POF\
SYNC_LOW
LD_START2
CN1-13
VDOUT
CN1-14
CN1-15
CN1-20
CN1-16
CN1-9
CN1-10
CN1-11
CN1-12
CN1-19
LSU RST
CLK_TRG
SYNC\
LDV
IMG_32MHz
FWP\
CLK_TRG
CLK_TRG
START
B4\
B3\
B2\
B1\
START
B1\
B2\
B3\
B4\
READY
READY
LDON
PAPER
PAPER
LDON
IC7*4
5-6C
1-1D,2-6B,4-7C,5-8B
1-1D,2-1D,4-7C,5-8C,15-4C
4-2A,5-8C
1-3C,1-5C,2-7C,4-3A
1-3C,1-5C,2-7C,4-3A,5-6B
2-7C,5-6B
5-6C
2-2D,2-7C,5-6B,7-3B
2-2B,3-3C
IC4,12,101,105
47K
10K
10K
47K
3-6B
4-3C
9-6C,10-3A,12-7D,13-1C,13-6C
2-2A,2-6A,3-3D,4-7B,7-2D,7-3A,8-8C
9-4C
5-6B
5-3B
2-7A
3-3D
4-7D,5-6B
1-1A
ICU PWB (LSU_G/A)
6/15
335-C13.DSF
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