MX-6240N, MX-7040N (serv.man32). Section 13 Operational Descriptions - Updated November 2012 - Sharp Copying Equipment Service Manual (repair manual). Page 23

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MX-7040N  OPERATIONAL DESCRIPTIONS  13 – 23
6. LSU section
A. Electrical and mechanical relation diagram
LD PWB
2
3
4
5
6
1
10
11
12
13
14
15
16
17
18
19
20
9
7
8
21
22
23
24
D-GND
D
-
GND
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
CH0_N
CH0_P
CH1_N
CH1_P
CH2_P
CH2_N
CH3_P
CH3_N
CH4_N
CH4_P
CLK_N
CLK_P
ECLK_LSU_N
ECLK_LSU_P
HSYNC_LSU_P
HSYNC_LSU_N
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
D-GND
D
-
GND
D-GND
D-GND
VSYNC_Y_P
VSYNC_Y_N
VSYNC_M_N
VSYNC_M_P
VSYNC_C_P
VSYNC_C_N
VSYNC_K_N
VSYNC_K_P
D-GND
D-GND
D-GND
D-GND
BM40B-SHLDS-G-TFT
CN-1
SHLDP-40V
-S-1(B)
P
AP-06V
-S
P
AP-06V
-S
D-GND
+3.3.V
P-GND
+24V
+5V
D-GND
B06B-P
ASK-1
1
4
5
6
SHLDP-40V
-S-1(B)
B06B-P
ASK-1
D-GND
+3.
3.V
P-GND
+24V
+5V
D-GND
1
4
5
6
LSU PWB
BM40B-SHLDS-G-TFT
CN-5
5VO
PRTPD_out
TxD_PCU
RxD_PCU
RES_PCU
RTS_PCU
CTS_PCU
/POF
GND
GND
B20B-PNDZS-1
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
CH0_N
CH0_P
CH1_N
CH1_P
CH2_P
CH2_N
CH3_P
CH3_N
CH4_N
CH4_P
CLK_N
CLK_P
ECLK_LSU_N
ECLK_LSU_P
HSYNC_LSU_P
HSYNC_LSU_N
D-GND
D-GND
D-GND
D-GND
VSYNC_Y_P
VSYNC_Y_N
VSYNC_M_N
VSYNC_M_P
VSYNC_C_P
VSYNC_C_N
VSYNC_K_N
VSYNC_K_P
D-GND
D-GND
D-GND
D-GND
PNDP-20V
-Z
20CZ-6H
5VNPD
GND
GND
5VO
PRTPD_out
TxD_PCU
RxD_PCU
RES_PCU
RTS_PCU
CTS_PCU
/POF
5VNPD
5VNPD
GND
GND
2
3
4
5
6
1
10
11
12
13
14
15
16
17
18
19
20
9
7
8
21
22
23
24
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1
3
5
7
9
11
12
10
8
6
4
2
13
14
MOTHER PWB
SCN
2
3
2
3
ACK
REQ
S20B-CZHK-B-1
1
2
5
6
9
10
1
1
12
13
14
15
16
17
18
19
20
4
3
8
7
SCK_LSU
(
NC)
nTRANS_D
A
T
GND
GND
nRSV_D
A
T
LSU_RST
nTRANS_RST
JOBEND_INT
nJOBEND_INT_Y
nJOBEND_INT_M
nJOBEND_INT_C
nJOBEND_INT_K
TH1_LSU
nPCU_TRG
TH2_LSU
(NC)
(NC)
GND
GND
SCK_LSU
GND
(NC)
nTRANS_D
A
T
GND
nRSV_D
A
T
LSU_RST
nTRANS_RST
JOBEND_INT
nJOBEND_INT_Y
nJOBEND_INT_M
nJOBEND_INT_C
nJOBEND_INT_K
TH1_LSU
nPCU_TRG
TH2_LSU
B30B-PNDZS
PNDP-30V
-Z
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CS_Y_AK2
CS_EEP_Y_AK2
CS_Y_AK1
CS_EEP_Y_AK1
CS_M_AK2
CS_EEP_M_AK2
CS_M_AK1
CS_EEP_M_AK1
CS_C_AK2
CS_EEP_C_AK2
CS_C_AK1
CS_EEP_C_AK1
CS_K_AK2
CS_EEP_K_AK2
CS_K_AK1
CS_EEP_K_AK1
AK_RXD
AK_TXD
AK_SCLK
GND
INT5V_LD
VREF2
VREF2
INT5V_LD
5VNPD
SC_ACK
PCU_REQ
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN-22
CN-25
B15B-CSRK
B15B-CSRK
15CSR-8PK
(NC)
(NC)
(NC)
15CSR-8PK
15
B
U20P-TZ-S
20CZ-6H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CS_Y_AK2
CS_EEP_Y_AK2
CS_Y_AK1
CS_EEP_Y_AK1
CS_M_AK2
CS_EEP_M_AK2
CS_M_AK1
CS_EEP_M_AK1
CS_C_AK2
CS_EEP_C_AK2
CS_C_AK1
CS_EEP_C_AK1
CS_K_AK2
CS_EEP_K_AK2
CS_K_AK1
CS_EEP_K_AK1
AK_RXD
AK_TXD
AK_SCLK
GND
PCU PWB
AK_RXD
AK_TXD
AK_SCLK
GND
1
2
3
4
5
6
7
8
9
1
0
1
1
12
13
14
15
16
17
18
19
20
20CZ-6H
20CZ-6H
B20B-CZHK-B-1
CN-24
1
2
20
19
4
18
17
16
15
14
13
12
11
10
9
8
7
6
3
5
CN-1018
CN-1017
CN-1019
AK_CS_EEP_K1
AK_CS_K1
AK_CS_EEP_K2
AK_CS_K2
AK_CS_EEP_C1
AK_CS_C1
AK_CS_EEP_C2
AK_CS_C2
AK_CS_EEP_M1
AK_CS_M1
AK_CS_EEP_M2
AK_CS_M2
AK_CS_EEP_Y1
AK_CS_Y1
AK_CS_EEP_Y2
AK_CS_Y2
Reserve_IN2
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
2
3
4
5
6
1
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
99
100
91
92
93
94
95
96
97
98
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
TX24-120R-6ST
-H1E
D-GND
TH1
T
H2
D-GND
D-GND
nBD
+24V1
+24V1
+24V1
P-GND
P-GND
P-GND
nPOL
Y_CK
nPOL
Y_LOCK
nPOL
Y_ST
A
R
T
nBRAKE
F
AN_24V
F
AN_nREAD
Y
P-GND
#P2_AK2
#P1_AK2
#P0_AK2
SDCLK
P4_Y_AK2
P3_Y_AK2
nINT_Y_AK2
MSET_Y_AK2
P4_Y_AK1
P3_Y_AK1
nINT_Y_AK1
MSET_Y_AK1
nLDERR_Y
P4_M_AK2
P3_M_AK2
nINT_M_AK2
MSET_M_AK2
P4_M_AK1
P3_M_AK1
nINT_M_AK1
nLDERR_M
MSET_M_AK1
P4_C_AK2
P3_C_AK2
nINT_C_AK2
MSET_C_AK2
P4_C_AK1
P3_C_AK1
nINT_C_AK1
nLDERR_C
MSET_C_AK1
D-GND
P4_K_AK2
P3_K_AK2
nINT_K_AK2
MSET_K_AK2
P4_K_AK1
P3_K_AK1
nINT_K_AK1
nLDERR_K
MSET_K_AK1
D-GND
WP_Y
SCL_Y
SD
A_Y
WP_M
SCL_M
SD
A_M
D-GND
D-GND
WP_C
SCL_C
SD
A_C
WP_K
SCL_K
SD
A_K
D-GND
D-GND
5VLD
5VLD
D-GND
D-GND
5VLD
DT_Y3+
DT_Y3-
DT_Y4+
DT_Y4-
DT_Y1+
DT_Y1-
DT_Y2+
DT_Y2-
DT_M3+
DT_M3-
DT_M4+
DT_M4-
DT_M1+
DT_M1-
DT_M2+
DT_M2-
DT_C3+
DT_C3-
DT_C4+
DT_C4-
DT_C1+
DT_C1-
DT_C2+
DT_C2-
DT_K3+
DT_K3-
DT_K4+
DT_K4-
DT_K1+
DT_K1-
DT_K2+
#P2_AK1
#P1_AK1
#P0_AK1
DT_K2-
CNCHK
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
2
3
4
5
6
1
D-GND
TH1
TH2
D-GND
D-GND
nBD
+24V1
+24V1
+24V1
P-GND
P-GND
P-GND
nPOL
Y_CK
nPOL
Y_LOCK
nPOL
Y_ST
A
R
T
nBRAKE
F
AN_24V
F
AN_nREAD
Y
P-GND
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
99
100
91
92
93
94
95
96
97
98
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
CNCHK
D-GND
3.3V
WP_Y
SCL_Y
SD
A_Y
WP_M
SCL_M
SD
A_M
D-GND
D-GND
WP_C
SCL_C
SD
A_C
WP_K
SCL_K
SD
A_K
D-GND
D-GND
5VLD
5VLD
TX25-120P-6ST
-H1E
D-GND
D-GND
5VLD
DT_Y3+
DT_Y3-
DT_Y4+
DT_Y4-
DT_Y1+
DT_Y1-
DT_Y2+
DT_Y2-
DT_M3+
DT_M3-
DT_M4+
DT_M4-
DT_M1+
DT_M1-
DT_M2+
DT_M2-
DT_C3+
DT_C3-
DT_C4+
DT_C4-
DT_C1+
DT_C1-
DT_C2+
DT_C2-
DT_K3+
DT_K3-
DT_K4+
DT_K4-
DT_K1+
DT_K1-
DT_K2+
#P2_AK1
#P1_AK1
#P0_AK1
DT_K2-
CNCHK
#P2_AK2
#P1_AK2
#P0_AK2
SDCLK
P4_Y_AK2
P3_Y_AK2
nINT_Y_AK2
MSET_Y_AK2
P4_Y_AK1
P3_Y_AK1
nINT_Y_AK1
MSET_Y_AK1
nLDERR_Y
P4_M_AK2
P3_M_AK2
nINT_M_AK2
MSET_M_AK2
P4_M_AK1
P3_M_AK1
nINT_M_AK1
nLDERR_M
MSET_M_AK1
P4_C_AK2
P3_C_AK2
nINT_C_AK2
MSET_C_AK2
P4_C_AK1
P3_C_AK1
nINT_C_AK1
nLDERR_C
MSET_C_AK1
D-GND
P4_K_AK2
P3_K_AK2
nINT_K_AK2
MSET_K_AK2
P4_K_AK1
P3_K_AK1
nINT_K_AK1
nLDERR_K
MSET_K_AK1
CN-4
3.3V
3.3V
CN-500
CN-2
CN-3
S3B-PH-K-S
CN-3
PHNR-3
2
P-GND
F
AN_
24V
F
AN_nREAD
Y
1
3
CN1
B05B-P
ASK-1
P
AP-05V
-S
3
5
4
2
1
TH
D-GND
D-GND
5VD
BD
PHR-6
PHR-6
+24V1
P-GND
nBRAKE
nPOLY_CK
nPOLY_LOCK
nPOLY_START
B6B-PH-K-S
3
2
1
4
5
6
6
5
4
3
2
1
+24V1
P-GND
nBRAKE
nPOLY_CK
nPOLY_LOCK
nPOLY_START
CN-2
S6B-PH-K-S
4
3
B04B-PH-K-S
CN1
D-GND
TH
PHR-4
30
29
SMR-02V-N SMP-02V-NC
INT24V2
1
2
1
2
LSUSS_CL
LSUSS_CL
B30B-PNDZS
INT242
CN-25
PCU PWB
CN-1
S7B-PH-K-S
6
5
4
3
2
1
7
D-GND
D-GND
D-GND
nBD
TH1
TH2
+5V
O
PHR-7
PGM
LSUFM
LSUSS_CL
1
9
6
6
6
8
2
11
10
7
5
5
12
12
6
3
4
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