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MX-M550U, MX-M620U (serv.man2). Circuit Diagram - Sharp Copying Equipment Service Manual (repair manual). Page 12

Read Sharp MX-M550U / MX-M620U (serv.man2) Service Manual online

MX-M550/M620/M700  ACTUAL WIRING CHART / 実体配線図  3 - 3
3. IMAGE PROCESS SECTION / 画像処理部 (3/10)
30
2
9
28
27
26
25
24
23
22
21
20
1
9
18
17
16
15
14
13
12
11
10
24
23
22
21
20
1
9
18
17
16
15
14
13
12
11
10
1
9
8
7
6
5
4
3
2
9
8
7
6
5
4
3
2
1
24
23
22
21
20
1
9
18
17
16
15
14
13
12
11
10
1
9
8
7
6
5
4
3
2
GND2
GND2
+5VLD
GND2
/PMCLK
/READY
/START
+24V1
+24V1
GND2
GND2
VRB
GND2
GND2
GND2
GND2
GND2
GND2
GND2
/LDON
LSUS/H
/SYNC
24
24
23
22
21
20
1
9
18
17
16
15
14
13
12
11
10
1
9
8
7
6
5
4
3
2
24
+5V2
+5V2
VIDEO
/VIDEO
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
12
11
10
12
11
10
GND2
GND2
GND2
GND2
GND2
/LDON
LSUS/H
/SYNC
/VIDEO
VIDEO
GND2
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
12
11
10
12
11
10
13
14
15
16
17
18
13
14
15
16
17
18
GND2
GND2
+5VLD
GND2
/PMCLK
/READY
/START
+24V1
+24V1
GND2
GND2
VRB
GND2
+5V2
+5V2
4
3
2
1
GND2
/SYNC
GND2
6
5
4
3
2
1
/PMCLK
/START
GND2
+24V1
/READY
30
2
9
28
27
26
25
24
23
22
21
20
1
9
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND2
GND2
+5VLD
GND2
/PMCLK
/READY
/START
+24V1
+24V1
GND2
GND2
VRB
GND2
GND2
GND2
GND2
GND2
GND2
GND2
/LDON
/VIDEO
VIDEO
LSUS/H
/SYNC
+5V2
+5V2
+5V2
GND2
/SYNC
GND2
4
3
2
1
/PMCLK
/START
GND2
+24V1
/READY
+5V2
24
23
22
21
20
1
9
18
17
16
15
14
13
12
11
10
1
9
8
7
6
5
4
3
2
TEST
TEST
TEST
5
4
3
2
1
6
(NC)
( NC
)
+5V2
+5V2
/LED3
/LED2
/LED1
KEY6
KEY5
KEY4
KEY3
KEY2
KEY1
GND2
D7
D6
D5
D4
D3
D2
D1
D0
/OP-SET
/OP-CS
/OP-R/W
/OP-RS
+5V2
+5V2
/LED3
/LED2
/LED1
KEY6
KEY5
KEY4
KEY3
KEY2
KEY1
GND2
D7
D6
D5
D4
D3
D2
D1
D0
/OP-SET
/OP-CS
/OP-R/W
/OP-RS
TEST2
TEST3
TEST2
TEST3
TEST3
TEST2
/BRAKE
/BRAKE
/BRAKE
/PRON-FAX
+5VS
/POF
PROFF-CNT
/MSW-OFF
FWP-PCU
RES-PCU
/DCCNT
GND2
GND2
PAGE
GND2
GND2
HSYNC
GND2
GND2
GND2
VIDEOin+
VIDEOin-
GND2
/PRON-FAX
+5VS
/POF
PROFF-CNT
/MSW-OFF
FWP-PCU
RES-PCU
/DCCNT
GND2
GND2
PAGE
GND2
GND2
HSYNC
GND2
GND2
GND2
VIDEOin+
VIDEOin-
GND2
TXD-PCU
DTR-PCU
DSR-PCU
RXD-PCU
TXD-PCU
DTR-PCU
DSR-PCU
RXD-PCU
50
4
9
48
47
46
45
44
43
42
41
40
3
9
38
37
36
35
34
33
32
31
30
2
9
28
27
26
25
24
23
22
21
20
1
9
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
81
82
83
84
85
86
87
88
8
9
9
0
9
1
9
2
9
3
9
4
9
5
9
6
9
7
9
8
99
10
0
51
52
53
54
55
56
57
58
5
9
60
61
62
63
64
65
66
67
68
6
9
70
71
72
73
74
75
76
77
78
7
9
80
+5V-HDD
+5V-HDD
+5V-HDD
+5V-HDD
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
+12V1
( NC
)
PROFF-CNT
RES-PCU
/MSW-OFF
PAGE
HSYNC
WAKEUP
LCDDIS
LCD-VEE
PSSW
VCCW-SCN
/RES-SCN
/DSR-SCN
/RXD-SCN
/RES-MFP
/PRON-FAX
+3.3V
+3.3V
LCDCP2-
LCDS-
LCDCP2+
LCDS+
LCDD2-
LCDD2+
LCDD1-
LCDD1+
1
_
DBL-
1
_
DBL+
1
_
DATA0+
2
_
CLK+
1
_
DATA0-
2
_
CLK-
VIDEOin-
DSR-PCU
/POF
FWP-PCU
DTR-PCU
/DCCNT
TXD-PCU
VIDEOin+
RXD-PCU
SLEEP
FRDY
/SCNSET
/POF-SCN
/TXD-SCN
/DTR-SCN
LCDCP1-
LCDM-
LCDCP1+
LCDM+
LCDD3-
LCDD3+
LCDD0-
LCDD0+
2
_
DBL-
2
_
DBL+
1
_
CLK-
2
_
DATA0-
1
_
CLK+
2
_
DATA0+
1
_
DATA1+
2
_
DATA1+
1
_
DATA1-
2
_
DATA1-
50
4
9
48
47
46
45
44
43
42
41
40
3
9
38
37
36
35
34
33
32
31
30
2
9
28
27
26
25
24
23
22
21
20
1
9
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
81
82
83
84
85
86
87
88
8
9
9
0
9
1
9
2
9
3
9
4
9
5
9
6
9
7
9
8
99
10
0
51
52
53
54
55
56
57
58
5
9
60
61
62
63
64
65
66
67
68
6
9
70
71
72
73
74
75
76
77
78
7
9
80
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
+12V1
VIDEOin-
/POF
FWP-PCU
DTR-PCU
/DCCNT
TXD-PCU
VIDEOin+
RXD-PCU
SLEEP
FRDY
/SCNSET
/POF-SCN
/TXD-SCN
/DTR-SCN
LCDCP1-
LCDM-
LCDCP1+
LCDM+
LCDD3-
LCDD3+
LCDD0-
LCDD0+
2
_
DBL-
2
_
DBL+
1
_
CLK-
2
_
DATA0-
1
_
CLK+
2
_
DATA0+
1
_
DATA1+
2
_
DATA1+
1
_
DATA1-
2
_
DATA1-
+5V-HDD
+5V-HDD
+5V-HDD
+5V-HDD
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
( NC
)
PROFF-CNT
RES-PCU
/MSW-OFF
PAGE
HSYNC
WAKEUP
LCDDIS
LCD-VEE
PSSW
VCCW-SCN
/RES-SCN
/DSR-SCN
/RXD-SCN
/RES-MFP
/PRON-FAX
+3.3V
+3.3V
LCDCP2-
LCDS-
LCDCP2+
LCDS+
LCDD2-
LCDD2+
LCDD1-
LCDD1+
1
_
DBL-
1
_
DBL+
1
_
DATA0+
2
_
CLK+
1
_
DATA0-
2
_
CLK-
DSR-PCU
10
9
8
7
6
5
4
3
2
1
20
1
9
18
17
16
15
14
13
12
11
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5VS
10
9
8
7
6
5
4
3
2
1
20
1
9
18
17
16
15
14
13
12
11
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5VS
28
27
26
25
24
23
22
21
20
1
9
18
17
16
15
14
13
12
11
10
1
9
8
7
6
5
4
3
2
27
26
25
24
2
9
30
31
32
33
34
40
3
9
38
37
36
35
DD7
DD6
DD5
DD4
DD3
DD2
DD1
DD0
GND2
DMAREQ
IORDY
INTRQ
DA1
DA0
GND2
DD8
DD
9
DD10
DD11
DD12
DD13
DD14
DD15
KEY
GND2
GND2
GND2
CSEL
GND2
DA2
GND2
/RESET
/DIOW
/DIOR
/DMACK
/PDIAG//CBLID
/CS0
/CS1
/DASP
1
3
2
4
+12V1
GND2
1
2
3
4
GND2
GND2
1
2
3
3
9
40
GND2
DD7
GND2
+5V-HDD
+12V1
/ICCS10
12
11
10
1
9
8
7
6
5
4
3
2
GND2
GND2
GND2
GND2
+24V1
+24V1
+24V1
TH-RA
( NC
)
/CFM-R1
/CFM-R2
/CFM-R3
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
11
10
11
10
GND2
GND2
GND2
TH-RA
GND2
3
2
1
2
3
2
1
2
3
2
1
2
GND2
GND2
GND2
1
3
1
3
1
3
+24V1
+24V1
4
3
2
1
( NC
)
( NC
)
TH-RA
GND2
+24V1
+24V1
+24V1
+24V1
/CFM-R1
/CFM-R2
/CFM-R3
/CFM-R1
/CFM-R2
/CFM-R3
B8P-VH
GND2
1
3
2
4
+12V1
GND2
GND2
+12V1
1
3
2
4
+12V1
GND2
1
2
3
+12V1
+5V1
GND2
+5V-HDD
GND2
4
5
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
+5V1
GND2
GND1
+5V2
GND2
+12V1
+5V-HDD
GND2
+24V2
+12V1
GND2
7
8
CTL-MON
HDD-MON
CTL-MON
HDD-MON
CTL-MON
HDD-MON
HDD-MON
4
3
2
1
1
2
3
4
/RESET
/DASP
GND2
CN-2
+12V1
CFM-PWM
CFM-PWM
CFM-PWM
CFM-PWM
CFM-PWM
PRT-OP
PWB
CN-1
T24FAZ-SMT-TB
24FMN-BTK-A
CN-22
B30B-PHDSS-B
SMP-18V-NC/SMR-18V-N
LD
PWB
B6B-PH-K-S
B30B-PHDSS-B
BD
LSU
UNIT
SMP-12V-NC/SMR-12V-N
PGM
CN-4
CN-
9
CN-6
B24B-PHDSS-B
B24B-PHDSS-B
CN-8
TX25-100P-8ST-H1
CN-8
TX24-100R-LT-H1
CN-3
PS-20PE-D4T2-M1
CN-702
PS-20PE-D4T2-M1
B4B-PH-K-S
CN-7
FM-CTL
HDD
CN-21
B12B-PHDSS-B
SMP-11V-NC/SMR-11V-N
FM-R1
FM-R3
FM-R2
PHNR-03-H+BU03P-TR-P-H
PHNR-03-H+BU03P-TR-P-H
PHNR-03-H+BU03P-TR-P-H
S4B-PH-K-S
INTPWB
DC/PS
(PAGE7/8)
PHNR-04-H+BU04P-TR-P-H
FM-HDD
B4P-VH
CN-3
CN-1
S4B-PH-K-S
CN-5
S5P-VH
(PAGE7/8)
ELP-0
9
V/ELR-0
9
V
CN-2
B4B-PH-K-S
B6B-PH-SM3-TB
B4B-PH-K-R
PCU
PWB
MOTHER
PWB
MFP
CONTROL
PWB
CN-701
Un-equipping
CN-1
CN-3
PS-40PE-D4T2-M1
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