QSC DSP-4 Schematic
C98
C94
100pF
100pF
R26
3.3K
R104
3.3K
C69
220pF
C68
220pF
R49
3.3K
R105
3.3K
R48
2.15K
C101
100pF
R25
2.15K
22uF
R29
C100
C42
C45
22uF
R35
3.01K
R34
100pF
3.01K
150
C44
0.0022uF
R33
150
C119
C120
1uF
0.1uF
C65
22uF
R115
14.3K
C102
C106
R57
3.3K
R106
3.3K
100pF
R56
2.15K
C70
220pF
C83
C53
22uF
220pF
R75
3.3K
R107
3.3K
R74
2.15K
100pF
22uF
C103
C55
R65
3.01K
100pF
R64
3.01K
R60
150
C54
0.0022uF
R63
150
22uF
C66
R120
14.3K
C107
100pF
C108
10K
1uF
R124
R125
10K
10K
R126
3.01k
C73
0.1uF
C79
0.1uF
0.1uF
C92
0.1uF
C93
0.1uF
C67
0.1uF
C76
C74
0.1uF
C80
0.1uF
R111
10K
R94
10K
R110
10K
R95
C75
0.1uF
C81
0.1uF
LD2
blue
150
R23
150
R11
LD1
green
10.0K
C71
0.1uF
C77
0.1uF
10K
R1
R8
10K
R33
10.0K
R34
C15
0.1uF
10K
10K
R9
R10
C16
3.01K
R3
3.01KR210K
R16
4.99K
10.0K
10.0K
10.0K
R15
R14
R12
0.1uF
4.99K
10.0K
0.1uF
R19
R20
1.13K
R21
C23
C109
2.0K
0.047uF
R22
27pFC61
Y1
7.3728MHz
C64 27pF
0.1uF
R5
C72
0.1uF
C2
0.047uFC10.047uF
C78
0.1uF
10K
R7
10K
R4
OnCE/JTAG/ISP
C98
C110
0.1uF
C102
0.047uF
10uF 6.3V
C119
C103
0.047uF
C104
0.047uF
C82
0.1uF
C100
0.047uF
0.047uF
C3
C4
0.047uF
C5
0.047uF
C6
0.047uF
C8
0.047uF
C105
0.047uF
R13
C17
10uF
10
C18
10uF
R18
10uF
C26
10uF
C25
10
RB400D
D16
L16
C107
0.047uF
C44
4.7uF X7R
C27
0.1uF
15.0k 1.0%
R30
9.09k 1.0%
R31
C28
0.1uF
C30
0.1uF
10uH
D15
RB400D
100uF
C45
C35
4.7uF X7R
C52
0.0022uF
10.0K
R39
10.0K
R38
22uF
C20
0.1uF
C10
4.7uF X7R
C24
0.1uF
0.1uF
C7
100pF X7R
C12
.22uF X7R
RB400D
100k 1.0%
R11
RB400D
D2
1k 1.0%
R23
L7
33uH
D12
121k 1.0%
R6
L8
33uH
C21
C9
4.7uF X7R
U6
RB400D
D14
C106
0.047uF
C22
4.7uF X7R
22uF
C32
C43
C19
0.1uF
9.76k 1.0%
121
R17
29.4k 1.0%
R27
R29
L9
10uH
D13
RB400D
C42
100uF
C33
4.7uF X7R
C29
0.1uF
C31
0.1uF
R28
11.3K
R32
11.3K
R50
11.3K
R53
11.3K
R58
11.3K
R61
11.3K
R73
11.3K
R78
11.3K
2.74k
R54
R66
2.74K
R36
2.74K
2.74K
R79
R24
2.74k
R46
2.74K
R55
2.74K
R70
2.74K
U13:3
U13:2
U13:1
U13:4
TL074
TL074
TL074
TL074
0.047uF
C53
0.1uF
C46
C47
0.1uF
10uF
C55
10uF
0.1uF
C54
C49
-
6
TL072
7
+
5
U20:2
R77
15.0K
R80
C59
0.047uF
10K
C57
10uF
3
+
U20:1
1
2
-
TL072
C37
0.1uF
10uF
C36
R37 is not stuffed.
R40 R41 R43
10uF
C38
C39
0.1uF
C50
0.1uF
10uF
C51
R42
C120
0.1uF
C40
0.1uF
10uF
C117
10uF
C41
C118
0.1uF
R88 47.5
R84 47.5
R93 47.5
R99
J5:1
1
J5:2
2
J5:3
3
J5:4
4
J5:5
5
J5:6
6
J5:7
7
J5:8
8
J5:9
9
J5:10
10
47.5
J5:11
11
J5:12
12
J5:13
13
J5:14
14
J5:15
15
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