Alto DIGMOD DSP-2 Schematic
7654321
R110
R111
D
R154 10K
R156
A32
10K
A33
C138
R157
10K
R155
10K
6
5
C136
470pF
GND
1M
C134
R98
1M
C131
R180
R175
2K7
2K7
10uF10V
0R
R210
A5
A-B1
A29
C
GND
C130
2n2F50V
R317
R189
10K
10K
D115
C148
R173
10K
C147
R172
10K
A30
A36
B
A23
R188
R169
R96
10M
R177
1K5
R179
2K7
C137
_
+
NE5523D8
GND
U101B
R184
VT90N1
R336
2
R337
470pF
GND
C135
GND
1
2
3
1
3
7
R134
47R
R170
82K
2
3
DLED ROSSO
R187
A31
47R
R186
15K
C129 1.8nF50V
_
U101A
+
NE5523D8
D105
3
R327
3
2
2
1
1
R328
GND
R176
1K5
2
3
A25
1
R143
47K
C150
R142
33K
3
R171
82K
_
+
U104A
LF412CD
C132 330pF
C126
C133 220pF
GND
C128
1nF
GND
R165
1K5
R313
D112
6.6VZ MMSZ5235B
D114
6.6VZ MMSZ5235B
D121
2 1
R164
1
1K
470pF
L101
1000uH
R168
680R
GND
R128
4K7
R144
1K
+VCC
R185
R315
10K1/4W
R316
R162
7
1K
R323 R324
R325
GND
R102 1K
3
R302
10K
R318
GND
A21
A36
A24
GND
R334
R129
10K
2
3
R103
A27
GND
GND
R331
R161
1K
_
U102A
+
NE5523D8
C153
D106
BAV99
GND
+VCC
1
3
D109
R131
BAV70
47K
R332
R333
GND +VCC
R147
10K
3
10
R330
12K1/4W
R174
12K1/4W
10K1/4W
R314 R311
R200
1M
C122 470pF
6
_
5
+
U102B
NE5523D8
GND
D111
BAV70
R163
6
_
5
+
U104B
LF412CD
2 1
R312
1K
C154
7
R107
2K7
R108
2K7
GND
D110
BAV77
3
+5V
21
A-B
R141
47R
R138
1M5
21
GND
R130
R114
10K
10K
R136
3K3
+
U110C
9
_
GUAINA
TERMORETRAIBILE TERMORETRAIBILE
8
GND
C104
3 4
R181
R182
3K3
3K3
+VCC
21
R301
A28
10K
R139
10K
C116
10uF10V
A25
GND
D122
R335
D123
12K1
100nF
U105B
HEF4069
GND
R167
1K
GND
R322
+VCC GND
R183
2K7
GND
+VCC
13
12
R146
2K2
13
12
R326
R166
1K
R112
R178
2K2
3
R113
1K5
15K
R145
4K7
_
+
U103D
TL074CD
R321
_
U110D
+
GUAINA
C105 1nF
13 12
21
D107
BAV99
14
14
1M
C103 330pF
U105C
HEF4069
C123
3.9pF
U105F
HEF4069
R153
10K
8
U103C
TL074CD
D120
R320
R109
56
15K
11 10
U105E
HEF4069
R152
9
_
10K
10
+
R149
10K
+VCC
3
2 1
R148
10K
C102
100nF
U105A
HEF4069
9 8
U105D
HEF4069
R151
10K
6
U103B
TL074CD
R150
10K
_
5
+
7
GND
2
U110A
_
3
+
GUAINA
TERMORETRAIBILE
GND GND
2
_
3
+
R159
100K
DLED ROSSO
+5V
U103A
TL074CD
D119
R319
10K
1
1
+VCC
12
+VCC
6
5
100K
R158
100K
TO-U5-12
TR17-E
R308
R104
47K
TR15-E
TO-U103-6
R135
100K
_
U110B
+
GUAINA
TERMORETRAIBILE
TO-U6-9
TO-U8-8
GND
7
A26
8
D
C
B
GND
+VCC
84
U101C
NE5523D8
C127
100nF
C124
100nF
84
U102C
NE5523D8
-VCC
GND
A
GND
GNDGNDGND
C125
100nF
C119
100nF
84
U104C
LF412CD
C120
100nF
C121
100nF
+VCC
411
U110E
GUAINA
TERMORETRAIBILE
C117
100nF
411
U103E
TL074CD
C106
100nF
U105G
HEF4069
7 14
R1001
10K
D16
LED VERDE
+VCC
GND
+5V
GND
R1002
4K7
D17
LED VERDE
GND
A
1 2 3 4 5 6 7 8
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