Samson Auro D412, Auro D415 Schematic
8
R42
MF72 10D 20
R42
MF72 10D 20
D
C
B
C5
0.1u
4
R19
43K
**
5
R10
4.7 1W
C8
0.1u
D3
1N4148
D9
1N4148
C26
6800u/50V
**
C27
6800u/50V
**
C28
6800u/50V
C29
6800u/50V
X3-1
X3-2
R15
1K
R20
5K6
VCC+
C17
4u7/50V
HV+
HV-
R14
3K6
LV+
2
LV-
R16
47K
C9
1u/50V
C30
0.01u
C31
0.01u
R18
100K
13
12
R17
510K
R21
47K
AC3(30VAC)
1
3
AC4(30VAC)
**
2
3
R22
240K
D14
KBL04
14
IC2C
TL074M
R23
100K
IC2A
TL074M
C32
0.01u
4
C33
0.01u
1
D10
1N4148
D11
1N4148
D12
1N4148
CLIP OUT
X1'
CON4
X5'
CON4
1
2
3
4
1
2
3
4
321
R7 30k
C1
0.022u/100V
HF IN
D
VCC+
VC+
R24
R27
1M
1M
6
R26
1M
VCC-
R29
100K
5
R28
1M
VC-
9
10
C
C10
0.1u
R25
100K
C11
0.1u
B
IC2B
TL074M
IC2D
TL074M
C12
1u/50V
D4
1N4148
7
8
D5
1N4148
R1
10K
T2
MMBTA06
VCC-
R31
10K
R32
22K
R2
12K
R3
10K
C2
0.47uF/63V
LV+
T1
MMBFA06
R30
1K
C14
10u/25V
D6
1N4148
R33
2K2
C13
1u/50V
R4
1K
R11
33K
VCC+
C15
1u/50V
D7
BAV103
D8
BAV103
D1
1N4148
R34
510K
R35
1M
AC3(30VAC)
AC4(30VAC)
R6
10K
R5
33K
C3
4u7/50V
R12
22k
R13
22K
VCC+
C18
10u/25V
C19
10u/25V
R36
150K
6
5
R37
100K
R38 +t
100
VCC+
VCC-
10
D2
1N4148
IC3B
MC4560M
2
3
4
9
R94
200
IN-
IN+
SGND
MUTE
STBY
C4
1u/50v
2
R95
2K2
3
R96
200
R97
2K2
7
1
7
R39
2K2
IC4
LM317
Vout
IC3
LM337
Vout
+VS
STBY-GND
ADJ
1
ADJ
1
11
BUFFER DRIVE
-VS8-PWVS
LV-
C16
10uF/25V
Vin
Vin
MUTE
3
2
4
LV+
13
BOOT LOAD
BOOTSTRAP
CLIP DET
15
C6
0.1u
R40
120 /2W
**
C20
47u/50V
D13
KBL04
R41
180 /2W
**
C21
47u/50V
IC1
TDA7293
OUT
+PWVS
**
LV+
2
LV-
C22
0.01U
C23
0.01U
14
12
6
5
C7
22u/100V
R9
5K6
LF AP OUT
AC1(60VAC)
1
3
AC2(60VAC)
C24
0.01U
C25
0.01U
R8
20k
X5
CON4
1
2
3
4
X1
CON4
1
2
3
4
76
VCC+VCC-
X4
1
2
3
4
5
6
HF IN
LF IN
CLIP OUT
F1
T5A/250V
C34
CBB X2 0.047uF/275VAC
F1
T2.5A/250V
C34
CBB X2 0.047uF/275VAC
C35
Y2 1000pF/275VAC
SW1
POWER SW
110VAC 50/60Hz
C35
Y2 1000pF/275VAC
SW1
POWER SW
A
:
1 2 3 4
Title
Auro D412 H POWER AMP &POWER
Number RevisionSize
A3
5
6
7 8
220VAC 50/60Hz
fo teehS0102-voN-61:etaD
2 4
Ver1.41
A
8
1
D
C110
22n
5
C112
VR2 TREBLE
4700P
**
6
R113
1K
C111
1000P
**
VCC+
5
POWER LED
LED 2 G
R167
1K
IC2B
TL074
7
R116
10K
C115
0.022uF
B50K
R114
5K6
R115
10K
VR3 BASS
B50K
13
12
C116
0.022uF
R117
10K
C113
4700P
C114
20P
IC2C
TL074
**
14
321
VCC+
2
3
VCC-
CLIP IN
D2
BAV99
C104
270P
R106
16K9
IC1A
MC4580
R161
82K
1
X2
INPUT
123
D
3
2
R101
1K5
R102
1K5
1
X3
LINK OUTPUT
C101
2500P
C102
2500P
R103
12K1
R104
12K1
R105
16K9
D1
BAV99
C103
270P
R168
10
X1
INPUT
R107
1K5
C105
1U
R162
10K
VR1 VOL
A100K
6
5
VCC+
T101
MMBTA06
R163
1K5
C106
10P
7
R108
IC1B
MC4580
16K9
OPT0
M65CL G (BLUE)
4
C107
100P
**
R109
C108
** **
R111
10
R164
10K
R165
1K5
9
33K
IC2D
TL074
T102
MMBTA06
1U
8
1K
R110
27K
R166
4K7
C151
10U/25V
R112
1K
C109
4700P
VCC+
CLIP LED
LED 1 R
C117
220n
R118
12K
76
C118
220n
R119
4.02K
C119
220n
2
3
R120
100K
IC2A
TL074
C
C133
R146
C132
3K3
10
R143
3K
6
5
R145
150K
9
R144
1K
270P
IC3C
TL074
IC4B
TL074
R147
12K
R150
R148
15K4
R149
10K
10K
R151
2.49K
C134
22P
R152
10K
9
10
IC4C
TL074
R154
3.57K
8
R153
3.57K
R155
4.99K
C135
0.015uF
2
3
IC5A
TL074
1
R156
4.99K
C136
0.015uF
6
5
IC5B
TL074
R157
4.99K
7
C137
0.015uF
9
10
IC5C
TL074
8
R158
4.99K
C138
0.015uF
R159
IC5D
TL074
14
100
R160
100
TO LF PA
TO HF PA
13
12
8
7
X4'
1
2
3
4
5
6
Title
A3
5
6
Auro D412 PreAmp
Number RevisionSize
7 8
1 4
Ver 1.5
fo teehS0102-voN-61:etaD
1000P
R121
12K
R122
43K
B
A
R123
R126
4K99
33K
10K(D415)
C120
0.12uF
C121
33n
1 2 3 4
R124
1K
**
2
3
IC3A
R125
TL074
1M
C122
0.1uF
C123
0.027uF
1
R127
15K
6
5
R129
1M
R128
1K
R130
15K
IC3B
TL074
C124
0.039uF
C125
4700P
7
IC1C
MC4558
R131
R134
39K
39K
C126
R132
1000P
1K
13
12
R133
1M
C139
0.1u
84
C140
0.1u
C127
2500P
14
IC3D
TL074
**
**
IC2E
TL074
11 4
C141
0.1u
C142
0.1u
**
IC3E
TL074
**
R138
R135
12K
0
6K8(D415) 49K9(D415) 0
R136
1K
13
12
IC4D
TL074
R137
1M
**
C143
0.1U
11 4
**
C144
0.1U
C128
820P
C129
1n2
14
IC4E
TL074
11 4
C146
0.1U
C145
0.1U
R139
R142
43K
47K
R140
1K
2
3
IC4A
R141
TL074
1M
**
IC5E
TL074
11 4
**
C148
0.1U
C147
0.1U
C130
820P
C131
470P
1
**
**
VCC+
VCC-
TO LF PA
TO HF PA
CLIP IN
C149
10U/25V
C150
10U/25V
C
B
A
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