AR-337 (serv.man3). AR287 337 407 507-Circuit Diagrams - Sharp Copying Equipment Service Manual (repair manual). Page 127

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4
3
2
1
D
C
B
A
4
3
2
1
1/6
D
C
B
A
C320
223Z
C321
223Z
C318
223Z
C316
223Z
C310
223Z
C319
223Z
C315
223Z
IC17
74HC138
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
VCC
16
GND
8
C254
223Z
C307
223Z
SOCKET1
FLASH SOCKET
VSS1
1
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
VCC1
10
3/5
11
A0
12
A1
13
A2
14
A3
15
A4
16
A5
17
A6
18
RP
19
VSS1
20
D8
21
D9
22
D10
23
D11
24
D12
25
D13
26
D14
27
A7
28
A10
29
VCC1
30
A8
31
A9
32
A11
33
A12
34
D15
35
A13
36
D16
37
D17
38
VSS1
39
1CE1L
40
1CE1H
41
2CE1L
42
2CE1H
43
OE
44
RY/BY
45
WP
46
WE
47
BYTE
48
D18
49
D19
50
D20
51
D21
52
D22
53
D23
54
VPP
55
D24
56
D25
57
D26
58
D28
59
D27
60
VCC2
61
D29
62
D30
63
D31
64
A14
65
A15
66
A16
67
A17
68
A18
69
A19
70
A20
71
VSS2
72
IC33
HG71C254AFB
DRQ3N
1
IRQ0N
2
IRQ1N
3
VCC
4
RESN
5
CSN
6
HWRN
7
RDN
8
ASN
9
GND
10
CLKI
11
GND
12
WAITN
13
A7
14
A6
15
A5
16
A4
17
A3
18
A2
19
A1
20
A0
21
VCC
22
D7
23
D6
24
D5
25
D4
26
GND
27
D3
28
D2
29
D1
30
VCC
31
D
A
TEST
33
AG
N
D
34
GND
35
AV
C
C
36
DA
0
37
AV
R
E
F
38
DA
1
39
AGND
41
TXD0
42
RXD0
43
TXD1
44
RXD1
45
VCC
40
TXD2
46
RXD2
47
TXD3
48
RXD3
49
GND
50
TXD4
51
RXD4
52
CLK4
53
TXD5
54
RXD5
55
CLK5
56
VCC
57
TIOCA
58
TIOCB
59
TSTO
60
PW
M0
61
VCC
62
PW
M1
63
PW
M2
64
PW
M3
65
GND
66
PW
M4
67
PW
M5
68
PW
M6
69
PW
M7
70
VCC
71
TPC0
72
TPC1
73
TPC2
74
TPC3
75
GND
76
CTEST
77
DRQ0
N
78
DRQ1
N
79
DRQ2
N
80
D0
32
IC26
M66500FP
A2
A1
A0
D7
D5
D4
D3
D2
D1
D0
RD
WR
RESET
PA7
PA6
PA5
PA4
PA2
PA1
PA0
VCC
3
VCC
29
GND1
34
GND2
58
PG0
54
PF7
2
PF6
1
PF5
64
PF4
63
PF1
60
PE4
8
PC7
46
PB7
D6
CS
PA3
PB6
PB5
PB4
PB3
PB2
PB1
PB0
PC0
50
PC1
51
PC2
52
PC3
53
PC4
49
PC5
48
PC6
47
PE0
4
PE1
5
PE2
6
PE3
7
PE5
9
PE6
10
PE7
11
PF0
59
PF2
61
PF3
62
PG1
55
PG2
56
PG3
57
GND3
12
223Z
C212
223Z
C253
BR29C
BR29D
BR29A
BR29B
BR18D
BR18C
IC15
TE7752
P57
81
P60
82
P61
83
P62
84
P63
85
P64
86
P65
87
P66
88
VDD
89
VSS
90
P67
91
P70
92
P71
93
P72
94
P73
95
P74
96
P75
97
P76
98
P77
99
P80
100
P81
1
P82
2
P83
3
P84
4
P85
5
P86
6
P87
7
VSS
8
P90
9
P91
10
P92
11
VSS
13
P94
14
P95
15
VDD
16
P96
17
P97
18
VSS
19
P10
20
P23
31
P24
32
P25
33
P26
34
P27
35
P30
36
P31
37
P32
38
P33
39
VSS
40
P34
41
P35
42
P36
43
P37
44
P40
45
P41
46
P42
47
P43
48
P44
49
P45
50
VSS
61
RESET
62
CS
63
RD
64
WR
65
A0
66
A1
67
A2
68
A3
69
IO
S
0
70
IO
S
1
71
IO
S
2
72
MS
73
P50
74
P51
75
P52
76
P53
77
P54
78
P55
79
P56
80
P93
12
P11
21
P12
22
P13
23
P14
24
P15
25
P16
26
P17
27
P20
28
P21
29
P22
30
D7
60
D6
59
D4
57
D3
56
D2
55
D1
54
D0
53
P47
52
P46
51
D5
58
C308
22p
223Z
C296
223Z
C306
R270
20KJ
R226
10KJ
R285
10KJ
R227
10KJ
C351
101K
WR\
D11
A7
D1
4
A6
D1
4
A20
A4
D3
D1
1
D8
A3
A2
D1
3
D1
5
A0
A11
A14
A5
D10
A0
D8
A6
D7
D1
D1
5
D4
A19
A0
A1
A3
D14
D1
1
A4
D5
A21
A3
D2
D8
D[0..15]
A9
A5
D1
2
A22
D9
D9
D6
A1
A[0..23]
A18
A2
D1
2
A13
D1
0
D1
0
D9
A7
D0
A1
D12
A10
A8
D15
A2
A17
D13
A16
A20
A12
D1
3
A15
A23
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
AVCC
Vref
+5V1
+5V1
+5V1
+5V1
+5V1
1
CSIO2\
CSRAM1\
CSIO1\
DREQ0\
DREQ1\
IRQ1\
WAIT\
IRQ0\
RES_LCC
STB4
STB0
STB3
RES_DSK
STB6
STB2
RES_SOT
STB5
RES_ADF
STB1
STB7
VFPWM
RXD_SOT\\\
TXD_SOT\
AS\
PCLED
HWR\
RXD_DSK\
DASM2
TXD_DSK\
DASM3
EVFMCLK\
TXD_ADF\
DASM1
PCFPWM
TXD_LCC\
DASM0
THVPWM
RXD_ADF\
CLKI
RXD_LCC\
CSCB\
DVPWM
RD\
PCU_RES\
GBPWM
DMLED
SHVPWM
CSRAM2\
PCU_RES\
OM\
Y/BY\
RD\
RES\
DSR_SOT
DSR_ADF
DSR_LCC
DSR_DSK
CL
CFML
LUM1a
CV_COUNT
DSBS
LUM1b
TRC1L
MSS
CPFS2
RRC
TH1OP\
PAGE
EVFMON\
CV_CA\
DSCS
DTC2
LUM2b
TRC2
CV_SIZE1
ELUC
SVREF2
CPFS1
MM
TRC1H
CV_SIZE3
LUM2a
CPFC2
DL
MTRC
CFMH
DTC1
CPFC1
MPFS
EVFMCCW\
CV_START
TH2OP\
CV_STAPLE
CV_SIZE0
SVREF3
CV_DUPLEX
MEMSW_MON\
SVREF1
CV_SIZE2
MPFC
VFM3
DTR_SOT\
DTR_DSK\
DTR_LCC\
DTR_ADF\
MODE1\
MODE2\
MODE4\
MODE5\
CWB\
SMRET\
SMRST
RXD_RIC\\\
TXD_RIC\
DSR_RIC
CTS_RIC
DTR_RIC
RTS_RIC
CSIO2\
PUC_RES\
HWR\
RD\
RESERVE3
RESERVE2
RESERVE1
SMEN\
5-3D
1-8C
1-8C
1-8C
1-8C
1-1B,1-5C,3-3A
1-1B
1-5C
1-5C
1-5C
5-5C
5-8C
5-8C
4-5C
4-7C
2-5C
2-5C
1-7A
1-5A
1-1B
4-4D
5-8C
5-8C
5-3C
3-3D,3-1B
3-8C
3-3C,3-1B
3-5C
3-8C
3-6B,3-1B
3-8B
3-8D
3-5A
3-5C
-3C,3-3A
1-3C,1-5C,3-3A
1-3B
4-5B
4-5C
5-8C
5-3C
2-4A
5-8D
5-8D
5-5D
5-5C
5-8C
5-8C
4-4A
5-5C
5-3C
5-3C
5-5D
5-8C
5-8D
2-4A
5-3B
5-8C
5-5C
5-5D
4-4B
3-8A
4-4A
5-3B
4-4D
CN 7-A11
CN 7-A5
CN 4-A3
CN 5-B14
CN 3-10
CN 3-9
CN 3-8
CN 3-7
CN 3-5
CN 3-4
CN 3-3
5-3D
5-3D
5-3D
4-5C
4-7C
4-5C
4-7B
4-7C
4-5C
1-8A
4-5C
4-5C
3-3C,3-1B
3-5B
5-3C
5-8B
5-8B
5-8C
5-3C
5-3C
5-3C
5-3C
5-3C
5-8D
4-4B
5-8D
5-8D
5-8D
4-4D
2-4D
4-7B
4-7B
4-7B
4-5A
4-7A
4-7A
4-5A
4-7A
4-7A
5-3C
5-3C
5-3C
4-4C
C351 Uninstalled
AR-287/337
AR-407/507
3 – 114
4/5/2000
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