AR-285 (serv.man19). AR280 285 335 Circuit ICU PWB - Sharp Copying Equipment Service Manual (repair manual). Page 8

Read Sharp AR-285 (serv.man19) Service Manual online

1
2
3
4
5
6
7
8
D
C
B
A
D
C
B
A
1
2
3
4
5
6
7
8
IC107
74VHCT244
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
IC106A
74VHCT240
A1
2
Y1
18
A2
4
Y2
16
A3
6
Y3
14
A4
8
Y4
12
G
1
C178
223Z
C183
223Z
C195
223Z
C181
223Z
C192
223Z
C215
223Z
C182
223Z
C180
104Z
C193
104Z
C179
104Z
C194
104Z
R170
10KJ
R172
10KJ
R171
10KJ
IC106B
74VHCT240
A1
11
Y1
9
A2
13
Y2
7
A3
15
Y3
5
A4
17
Y4
3
G
19
R210
***J
R212
***J
R209
***J
R211
***J
IC35A
74AC32
1
2
3
R249
***J
R251
0J
C222
223Z
R250
0J
R169
10KJ
IC23
2 G/A
\P
 C
S
22
2
\P
 R
D
22
3
\P
 W
R
22
4
GND
1
GND
2
\FRAME
3
\IRDY
4
\TRDY
5
GND
6
VDD
7
AD31
8
AD30
9
GND
10
AD29
11
AD28
12
GND
13
VDD
14
AD27
15
AD26
16
GND
17
AD25
18
AD24
19
GND
20
VDD
21
AD23
22
AD22
23
GND
24
AD21
25
AD20
26
GND
27
VDD
28
AD19
29
AD18
30
GND
31
AD17
32
AD16
33
GND
34
VDD
35
AD15
36
AD14
37
GND
38
AD13
39
VDD
40
GND
41
AD12
42
AD11
43
GND
44
VDD
45
AD10
46
AD09
47
GND
48
VDD
49
AD08
50
AD07
51
GND
52
AD06
53
AD05
54
GND
55
VDD
56
AD04
57
AD03
58
GND
59
GND
60
VDD
61
AD0
2
62
AD0
1
63
GND
64
AD0
0
65
CBE3
66
GND
67
VDD
68
CBE2
69
CBE1
70
GND
71
CBE0
72
T1
OUT7
73
T1
OUT6
74
GND
75
VDD
76
\B
R
E
Q
 I
77
\B
G
N
T
 I
78
PCL
K
 I
79
GND
80
VDD
81
CL
K
82
T1
OUT5
83
T1
OUT4
84
T1
OUT3
85
T1
OUT2
86
T1
OUT1
87
T1
OUT0
88
PAGEI
N
89
AREA
IN
90
\V
A
L
ID
 IM
G
91
ID
AT
A7
92
ID
AT
A6
93
ID
AT
A5
94
ID
AT
A4
95
ID
AT
A3
96
ID
AT
A2
97
ID
AT
A1
98
ID
AT
A0
99
VDD
10
0
GND
10
1
PCL
K
 ZM
10
2
\B
R
E
Q
 Z
M
10
3
\B
G
N
T
 Z
M
10
4
ID
AT
A A2
 3
10
5
ID
AT
A A2
 2
10
6
ID
AT
A A2
 1
10
7
ID
AT
A A2
 0
10
8
RYOUI
K
I2
10
9
RYOUI
K
I1
11
0
RYOUI
K
I0
11
1
ODATA
7
11
2
ODATA
6
11
3
ODATA
5
11
4
ODATA
4
11
5
ODATA
3
11
6
ODATA
2
11
7
ODATA
1
11
8
ODATA
0
11
9
VDD
12
0
GND
121
GND
122
CK2
123
PAGEOUT
124
AREAOUT
125
\STB
126
MCNT2
127
MCNT1
128
MCNT0
129
SCNT2
130
SCNT1
131
SCNT0
132
T0IN7
133
T0IN6
134
T0IN5
135
T0IN4
136
T0IN3
137
T0IN2
138
GND
139
VDD
140
T0IN1
141
T0IN0
142
T0OUT7
143
T0OUT6
144
T0OUT5
145
T0OUT4
146
T0OUT3
147
T0OUT2
148
T0OUT1
149
T0OUT0
150
\IR
151
\IR ZM
152
\I DREQ1
153
\I DREQ2
154
\I INT
155
\I CS
156
\I A2
157
\I A1
158
\I RD
159
VDD
160
GND
161
PCLK RE
162
\BREQ RE
163
\BGNT RE
164
\I WR
165
I DIO15
166
I DIO14
167
I DIO13
168
I DIO12
169
GND
170
I DIO11
171
I DIO10
172
I DIO09
173
I DIO08
174
I DIO07
175
I DIO06
176
I DIO05
177
I DIO04
178
GND
179
GND
180
VDD
18
1
I D
IO
0
3
18
2
I D
IO
0
2
18
3
I D
IO
0
1
18
4
I D
IO
0
0
18
5
\B
R
E
Q
 F
A
X
18
6
\B
G
N
T
 F
A
X
18
7
PCL
K
 FA
X
18
8
GND
18
9
VDD
19
0
\R
S
T
19
1
\T
EST E
N
19
2
P CDI
O
1
5
19
3
P CDI
O
1
4
19
4
P CDI
O
1
3
19
5
GND
19
6
P CDI
O
1
2
19
7
P CDI
O
1
1
19
8
P CDI
O
1
0
19
9
GND
20
0
VDD
20
1
P CDI
O
0
9
20
2
P CDI
O
0
8
20
3
P CDI
O
0
7
20
4
P CDI
O
0
6
20
5
P CDI
O
0
5
20
6
P CDI
O
0
4
20
7
P CDI
O
0
3
20
8
P CDI
O
0
2
20
9
P CDI
O
0
1
21
0
P CDI
O
0
0
21
1
\T
1
IN
7
21
2
\T
1
IN
6
21
3
\T
1
IN
5
21
4
\T
1
IN
4
21
5
\T
1
IN
3
21
6
\T
1
IN
2
21
7
\T
1
IN
1
21
8
\T
1
IN
0
21
9
VDD
22
0
GND
22
1
P I
 D
22
5
VDD
22
6
GND
22
7
PCL
K
 O
22
8
\B
R
E
Q
 O
22
9
\B
G
N
T
 O
23
0
\P
 ID
R
E
Q
23
1
\P
 IB
A
C
K
23
2
\P
 ID
A
C
K
23
3
\P
 O
DRE
Q
23
4
\P
 O
B
A
C
K
23
5
\P
 O
D
A
C
K
23
6
\B
R
E
Q
 P
M
2
23
7
\B
G
N
T
 P
M
2
23
8
PCL
K
 PM2
23
9
VDD
24
0
R168
10KJ
IC101A
74ALS74
D
2
Q
5
CLK
3
Q
6
PR
4
CL
1
IAD [0..31]
IAD29
IAD28
IAD27
IAD26
IAD25
IAD24
IAD19
IAD15
IAD14
IAD13
IAD07
IAD04
IAD03
IAD08
IAD30
IAD31
CBE2
CBE1
CBE0
BRQ 1
\
CK3
3
OUT0
GMO
U
T
7
GMO
U
T
6
GMO
U
T
3
GMO
U
T
2
GMO
U
T
1
CK3
3
OUT6
BGNT6
\
A2
D3
A2
D2
A2
D1
A2
D0
RYO2
RYO1
RYO0
GMA7
GMA6
GMO
U
T
4
GMO
U
T
5
IM
G
E
N
\
AREA
IN
\
SCAN
I WR\
I RD\
I A1
I A2
I CS\
I DREQ2\
I DREQ1\
T0OUT4
GMA12
GMA13
GMA8
GMA9
GMA10
IAD09
IAD10
IAD11
IAD12
BGNT 1\
IAD17
IAD16
IAD23
IAD21
IAD22
IAD20
IAD18
IA
D
0
0
CBE3
IA
D
0
2
GMA4
GMA2
GMA3
GMA5
IAD06
GMO
U
T
0
IAD05
CK3
3
OUT1
0
BGNT1
0
\
BGNT 0\
CK3
3
OUT1
CL
K3
3
O
UT7
BGNT7
\
BRQ7
\
IA
D
0
1
T0OUT6
T0OUT5
PRT RES
20
10
I CS\
I RD\
I WR\
I A1
I A2
I DREQ2\
I DREQ1\
BRQ1
0\
BRQ 0
\
BRQ6
\
GMOUT [0..7]
GMA1
GMA0
GMA [0..14]
GMA11
IMG_CLK
A2 RES
RES_
IM
G\
+3.3V
+5V1
+3.3V
+5V1
+5V1
+3.3V
+5V1
+5V1
+5V1
+3.3V
CK33OUT6
BRQ6\
BGNT6\
BRQ 1\
BGNT 1\
CK33OUT0
BGNT7\
CLK33OUT7
BRQ7\
CK33OUT1
CK33OUT10
BRQ 0\
BGNT10\
CLK33OUT5
BGNT 0\
BGNT5\
BREQ5\
RETSEL
IAD [0..31]
CN10-16
BRQ10\
GMOUT [0..7]
AREA OUT
CK2
FRAME\
IRDY\
TRDY\
RES_IMG\
AREAIN\
SCAN
IMGEN\
RYO0
RYO1
RYO2
A2D0
A2D2
A2D1
A2D3
CBE3
CBE2
CBE1
CBE0
IRQ3\
IRQ4\
GMA [0..14]
GMA1
LD_START
RES_IMG\
IMG_CLK  (9-4D)
IMG_SUBCLK
CN10-12
AREA BI\
(7-1B) IMG_CLK
(7-7A)
10-7A
10-4A
10-7A
10-4A
10-7A
10-4A
10-7A
10-7A
10-7A
10-7A
4-1B
9-2D
9-2D
9-4D
10-7A
10-7A
10-4A
10-7A
10-7A
10-4A
(IC23)
(IC104,106,107)
10-7A
2-6A,8-8C,10-8D,12-7D
2-3A,10-8C,12-7D
2-6A,8-8C,10-8C,12-7D
2-7A,4-7C
4-3C
4-4A
2-2A,2-6A,3-3D,4-7B,6-8B,7-3A,8-8C,9-6C,10-3A,12-7D,13-1C,13-6C
2-2B
2-2B
2-2D,2-7C,6-8B
4-3A
10-4A
4-4A
4-4A
4-4A
4-4A
4-4A
4-4A
4-4A
9-6C
5-6B
5-3A
4-7D
2-6A,8-8C,10-8D,12-7D
2-6A,8-8C,10-8D,12-7D
2-6A,8-8C,10-8C,12-7D
2-6A,8-8C,10-8C,12-7D
2-6A,8-8C,10-8C,12-7D
2-2A,2-6A,3-3D,4-7B,6-8B,7-2D,8-8C,9-6C,10-3A,12-7D,13-1C,13-6C
ICU PWB (2_G/A)
7/15
335-C14.DSF
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