Table of Contents
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OLD
LDU-1530S
LDU-1530L
LDU-1540S : Up to S/N 1003497
LDU-1540L : Up to S/N 1002490
1
NEW
LDU-1540S : S/N 1003498 and Higher
LDU-1540L : S/N 1002491 and Higher
2
3
4
5
A
B
DD(0:9)
TO B BOARD
(1/8),(2/8),(4/8),(5/8)
DA(1:10)
DCS(0:15)
≠≠≠≠≠≠≠≠≠
≠≠≠≠≠≠≠≠
TO B BOARD(2/8)
DLD3-4
IC1021
OLD:CXA2108Q
NEW/LDU-1515:
CXA2108AQ
46
57
CURRENT
B
DRIVER
DLDI
A
V
CC
(3/8)
DD0
24
D0
DD1
25
D1
(CURRENT DRIVER)
DD2
26
D2
DD3
27
D3
DD4
28
D4
DD5
29
D5
DD6
30
D6
DD7
31
D7
DD8
32
D8
DD9
33
D9
DA1
34
A0
DA2
35
A1
DA3
36
A2
DA4
37
A3
DA5
38
A4
DA6
39
A5
DA7
40
A6
DA8
41
A7
IC1021
DA9
44
A8
DA10
45
A9
WFM4
16
XUPR
17
XLFT
18
XB
19
XR
20
XG
RDY4
13
RDY
XTSD4
52
XTSD
60
IGND
66
IGND
70
IGND
75
IGND
79
IGND
5
IGND
DLDO
WALL
14
15
IC1022
OLD:CXA2108Q
NEW/LDU-1515:
CXA2108AQ
CURRENT
46
57
DRIVER
DLDI
A
V
CC
DD0
24
D0
DD1
25
D1
DD2
26
D2
DD3
27
D3
DD4
28
D4
DD5
29
D5
DD6
30
D6
DD7
31
D7
DD8
32
D8
DD9
33
D9
DA1
34
A0
DA2
35
A1
DA3
36
A2
DA4
37
A3
DA5
38
A4
DA6
39
A5
DA7
40
A6
DA8
41
A7
IC1022
DA9
44
A8
DA10
45
A9
WFM5
16
XUPR
17
XLFT
18
XB
19
XR
20
XG
RDY5
13
RDY
XTSD5
52
XTSD
60
IGND
66
IGND
70
IGND
75
IGND
79
IGND
5
IGND
DLDO
WALL
14
15
TO B BOARD
WR
≠≠ ≠
(2/8),(4/8),(5/8)
CLK
XRST
TO B BOARD
(1/8),(2/8),(4/8),(5/8)
RDY(0:15)
XTSD(0:15)
C
B (3/8)
B (3/8)
IC1024
5V-2
5V
OLD:CXA2108Q
NEW/LDU-1515:
CXA2108AQ
8
43
23
14
57
CURRENT
A
V
CC
D
V
CC
D
V
CC
DRIVER
DLDO
A
V
CC
5V
21
DD0
24
CLK
D0
58
I96
DD1
25
IOUT0
D1
I97
DD2
59
26
IOUT1
D2
I98
DD3
61
27
IOUT2
D3
I99
DD4
62
28
IOUT3
D4
63
I100
DD5
29
IOUT4
D5
64
I101
DD6
30
IOUT5
D6
I102
DD7
65
31
IOUT6
D7
I103
DD8
67
32
IOUT7
D8
I104
DD9
68
33
IOUT8
D9
DA1
69
I105
34
IOUT9
A0
DA2
71
I106
35
IOUT10
A1
DA3
72
I107
36
IOUT11
A2
I108
DA4
73
37
IOUT12
A3
I109
DA5
74
38
IOUT13
A4
DA6
76
I110
39
IOUT14
A5
DA7
77
I111
40
IOUT15
A6
DA8
78
I112
41
IOUT16
A7
IC1024
I113
DA9
80
44
IOUT17
A8
I114
DA10
1
45
IOUT18
A9
2
I115
WFM7
16
IOUT19
XUPR
3
I116
17
XLFT
IOUT20
4
I117
18
IOUT21
XB
I118
6
19
IOUT22
XR
I119
7
20
IOUT23
XG
RDY7
49
13
XRD
RDY
48
XTSD7
52
XWR
XTSD
50
60
XR/W
IGND
DCS4
≠≠≠≠
≠≠≠
47
66
XCS
IGND
R1122
R1126
70
IGND
47k
1k
51
75
XRST
IGND
55
79
C1018
REXT
IGND
0.0022
42
5
DGND
IGND
R1123
22
DGND
2k
56
AGND
9
AGND
-2
MODE0
MODE1
DLDI
WALL
12
11
46
15
IC1023
OLD:CXA2108Q
5V-2
5V
NEW/LDU-1515:
CXA2108AQ
CURRENT
8
43
23
14
57
DRIVER
A
V
CC
D
V
CC
D
V
CC
DLDO
A
V
CC
5V
21
DD0
24
CLK
D0
58
I120
DD1
25
IOUT0
D1
I121
DD2
59
26
IOUT1
D2
I122
DD3
61
27
IOUT2
D3
I123
DD4
62
28
IOUT3
D4
63
I124
DD5
29
IOUT4
D5
64
I125
DD6
30
IOUT5
D6
DD7
65
I126
31
IOUT6
D7
I127
DD8
67
32
IOUT7
D8
I128
DD9
68
33
IOUT8
D9
69
I129
DA1
34
IOUT9
A0
71
I130
DA2
35
IOUT10
A1
72
I131
DA3
36
IOUT11
A2
I132
DA4
73
37
IOUT12
A3
I133
DA5
74
38
IOUT13
A4
76
I134
DA6
39
IOUT14
A5
77
I135
DA7
40
IOUT15
A6
78
I136
DA8
41
IOUT16
A7
IC1023
I137
DA9
80
44
IOUT17
A8
I138
DA10
1
45
IOUT18
A9
I139
WFM6
2
16
IOUT19
XUPR
3
I140
17
IOUT20
XLFT
4
I141
18
IOUT21
XB
I142
6
19
IOUT22
XR
I143
7
20
IOUT23
XG
RDY6
49
13
XRD
RDY
48
XTSD6
52
XWR
XTSD
50
60
XR/W
IGND
≠≠≠≠
DCS5
≠≠≠
47
66
XCS
IGND
R1124
R1127
70
IGND
47k
1k
51
75
XRST
IGND
55
79
C1019
REXT
IGND
0.0022
42
5
DGND
IGND
22
R1125
DGND
2k
56
AGND
9
AGND
-2
MODE0
MODE1
DLDI
WALL
12
11
46
15
8-8
8-8
D
E
I(0:383)
TO B BOARD(7/8)
DLD7-8
TO B BOARD(4/8)
5V-2
5V
8
43
23
A
V
CC
D
V
CC
D
V
CC
5V
21
CLK
58
I168
IOUT0
I169
59
IOUT1
I170
61
IOUT2
I171
62
IOUT3
63
I172
IOUT4
64
I173
IOUT5
I174
65
IOUT6
I175
67
IOUT7
I176
68
IOUT8
69
I177
IOUT9
71
I178
IOUT10
72
I179
IOUT11
I180
73
IOUT12
I181
74
IOUT13
76
I182
IOUT14
77
I183
IOUT15
78
I184
IOUT16
I185
80
IOUT17
I186
1
IOUT18
2
I187
IOUT19
3
I188
IOUT20
4
I189
IOUT21
I190
6
IOUT22
I191
7
IOUT23
49
XRD
48
XWR
50
XR/W
≠≠≠≠
DCS7
≠≠≠
47
XCS
R1128
R1132
47k
1k
51
XRST
55
C1020
REXT
0.0022
42
DGND
R1129
22
DGND
2k
56
AGND
9
AGND
-2
MODE0
MODE1
12
11
5V-2
5V
8
43
23
A
V
CC
D
V
CC
D
V
CC
5V
21
CLK
58
I144
IOUT0
I145
59
IOUT1
I146
61
IOUT2
I147
62
IOUT3
63
I148
IOUT4
64
I149
IOUT5
I150
65
IOUT6
I151
67
IOUT7
I152
68
IOUT8
69
I153
IOUT9
71
I154
IOUT10
72
I155
IOUT11
I156
73
IOUT12
I157
74
IOUT13
76
I158
IOUT14
77
I159
IOUT15
78
I160
IOUT16
I161
80
IOUT17
I162
1
IOUT18
I163
2
IOUT19
3
I164
IOUT20
4
I165
IOUT21
I166
6
IOUT22
I167
7
IOUT23
49
XRD
48
XWR
50
XR/W
≠≠≠≠
DCS6
≠≠≠
47
XCS
R1130
R1133
47k
1k
51
XRST
55
C1021
REXT
0.0022
42
DGND
22
R1131
DGND
2k
56
AGND
9
AGND
-2
MODE0
MODE1
12
11
FL1003
R1647
330
4
IC1034(2/6)
3
SN74HC04APW-E05
BUFFER
TO B BOARD
WFM(0:15)
(2/8),(4/8),(5/8),(6/8)
B-SS7626<WW.>-B..-P3
F
LDU-1530/1540/1515
G
H
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