11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
J
J
K
K
L
L
M
M
N
N
O
O
P
P
Q
Q
of
Filename:
PCB#
Sheet
10
7
Product
Date:
Rev:
YsType:YsType
M1172v
3
00sch.sch2002
M1172
Mon
Mar
22
, 20
1
0
Master EQ
3
.00
MC12D
of
Filename:
PCB#
Sheet
10
7
MC12D
W
125
10K
R4
0805
C42
16V
33U
R199R
W250
1206
100R
R201R
W250
1206
100R
R202R
W250
1206
100R
R203R
W250
1206
100R
R205R
W250
1206
100R
C43
16V
33U
R206R
W250
1206
100R
100N
100V
C44
R207R
W250
1206
100R
C110
50V
100P
3N3
25V
C45
C76L
50V
47P
W063
0603
220R
R5
7
8 W7:G
5
8 W7:E
3
8 W7:C
50V
C62R
33N
C46
16V
33U
50V
C62L
33N
1/
8W
15K0
R185L
0805
1/
8W
15K0
R189L
0805
SOT23
MMBT3906LT1
Q1R
7805
W
063
56K
R170R
0603
0.
1W
7K50
R171R
0805
R169R
1/8W
0805
750R
1/8W
0805
249R0
R6
1/8W
0805
2K32
R7
B
T
4408
P201:A
D
50K
15A AUD
Main Right
0.
1W
7K50
R171L
0805
R169L
1/8W
0805
750R
D
3995
1B LIN
P204:A
20K
160Hz
B
T
15A AUD
4408
P200:A
50K
D
Main Right
W
063
56K
R176R
0603
SOT23
MMBT3906LT1
Q2R
7805
25V
C64R
220N
0.
1W
7K50
R174R
0805
1/8W
0805
249R0
R10
C47
16V
33U
W
063
47K
R12
0603
R175L
1/8W
0805
681R
0.
1W
7K50
R174L
0805
50V
C70L
22N
25V
C64L
220N
D
3995
1B LIN
P206:A
20K
400Hz
C48
16V
33U
W
063
47K
R14
0603
W
063
47K
R179R
0603
R178R
1/4W
1206
619R0
0.
1W
7K50
R180R
0805
16V
C65R
150N
PMLL4148
D22
R178L
1/4W
1206
619R0
0.
1W
7K50
R180L
0805
50V
C71L
15N
16V
C65L
150N
D
3995
1B LIN
P207:A
20K
630Hz
SOT23
MMBT3906LT1
Q9R
7805
W
063
56K
R182R
0603
0.
1W
7K50
R183R
0805
R181R
1/4W
1206
619R0
1/8W
0805
10K0
R16
R181L
1/4W
1206
619R0
0.
1W
7K50
R183L
0805
D
3995
1B LIN
P208:A
20K
1KHz
1/8W
0805
10K0
R18
W
063
56K
R193R
0603
SOT23
MMBT3906LT1
Q10R
7805
50V
C77R
33N
0.
1W
7K50
R191R
0805
C49
16V
33U
0.
1W
7K50
R191L
0805
50V
C77L
33N
25V
C75L
3N3
R192L
1/8W
0805
750R
D
3995
1B LIN
P210:A
20K
2.5KHz
W
063
56K
R196R
0603
R195R
1/4W
1206
619R0
0.
1W
7K50
R197R
0805
50V
C81R
22N
D
4463
P203:B
50K
BLIN
Bass
W
063
47K
R20
0603
D
4463
P202:B
50K
BLIN
Treble
R195L
1/4W
1206
619R0
0.
1W
7K50
R197L
0805
50V
C78L
2N2
50V
C81L
22N
D
3995
1B LIN
P211:A
20K
4.0KHz
100N
100V
C50
W
063
47K
R22
0603
D
4463
P202:A
50K
BLIN
Treble
1/
8W
8K25
R24
0805
SOT23
MMBT3906LT1
Q13R
7805
W
063
47K
R208R
0603
0.
1W
7K50
R209R
0805
R198R
1/4W
1206
619R0
R184R
1/8W
0805
100R
W125
0805
4K7
R26
1/8W
0805
4M7
R28
R198L
1/4W
1206
619R0
0.
1W
7K50
R209L
0805
R184L
1/8W
0805
100R
D
3995
1B LIN
P212:A
20K
6.3KHz
1/8W
0805
4M7
R30
R188R
1/8W
0805
15K0
C79R
50V
33N
R187R
1/8W
0805
15K0
C76R
50V
47P
PMLL4148
D24
D23
PMLL4148
100V
C83L
100N
C79L
50V
33N
R187L
1/8W
0805
15K0
D26
PMLL4148
RED
LD15
5906
CLIP
RED
LD16
5906
CLIP
W063
0603
220R
R32
100V
C52
100N
100V
C54
100N
100V
C51
100N
100V
C53
100N
8
V+
4
V-
U201:C
8
8 W7:H
6
8 W7:F
4
8 W7:D
C141
16V
33U
R117
W125
0805
4K7
R408
W125
0805
4K7
1/
8W
15K0
R185R
0805
1/
8W
15K0
R189R
0805
D
3995
1B LIN
P204:B
20K
160Hz
SOT23
MMBT3906LT1
Q1L
7805
W
063
56K
R173L
0603
D
3995
1B LIN
P206:B
20K
400Hz
50V
C70R
22N
R201L
W250
1206
100R
W
063
56K
R176L
0603
D
3995
1B LIN
P207:B
20K
630Hz
50V
C71R
15N
R202L
W250
1206
100R
W
063
47K
R179L
0603
SOT23
MMBT3906LT1
Q6L
7805
D
3995
1B LIN
P208:B
20K
1KHz
SOT23
MMBT3906LT1
Q9L
7805
W
063
56K
R190L
0603
D
3995
1B LIN
P210:B
20K
2.5KHz
25V
C75R
3N3
R205L
W250
1206
100R
W
063
56K
R193L
0603
W125
0805
4K7
R50
D
3995
1B LIN
P211:B
20K
4.0KHz
50V
C78R
2N2
1/
8W
8K25
R52
0805
R206L
W250
1206
100R
SOT23
MMBT3906LT1
Q12L
7805
W
063
56K
R196L
0603
D
4463
P203:A
50K
BLIN
Bass
D
3995
1B LIN
P212:B
20K
6.3KHz
SOT23
MMBT3906LT1
Q13L
7805
W125
0805
4K7
R54
5
6
-
7
U203:B
MC33078D
100V
C83R
100N
3
2
-
1
U203:A
MC33078D
R188L
1/8W
0805
15K0
R200R
W250
1206
100R
1/8W
0805
2K32
R64
PMLL4148
D21
W125
0805
10K
R66
R204R
W250
1206
100R
100N
100V
C55
3N3
25V
C56
W125
0805
10K
R68
TO M1173 PCB
SOT23
MMBT3906LT1
Q6R
7805
SOT23
MMBT3906LT1
Q4R
7805
W
063
56K
R173R
0603
50V
C66R
68N
0.
1W
7K50
R177R
0805
R175R
1/8W
0805
681R
R172R
1/8W
0805
681R
16V
C63R
330N
10V
C61R
470N
5
6
-
7
U200:B
MC33078D
1/8W
0805
10K0
R70
1/8W
0805
10K0
R72
W063
0603
47K
R212
W125
0805
10K
R210
1/8W
0805
221R
R211
R172L
1/8W
0805
681R
0.
1W
7K50
R177L
0805
50V
C68L
33N
10V
C61L
470N
25V
C67L
47N
16V
C63L
330N
50V
C66L
68N
50V
C72L
10N
D
3995
1B LIN
P205:A
20K
250Hz
1/8W
0805
249R0
R214
1/8W
0805
249R0
R215
1/8W
0805
10K0
R213
47P
50V
C57
1/8W
0805
10K0
R218
W063
0603
47K
R217
1/8W
0805
221R
R216
SOT23
MMBT3906LT1
Q12R
7805
SOT23
MMBT3906LT1
Q11R
7805
W
063
56K
R190R
0603
50V
C84R
15N
0.
1W
7K50
R194R
0805
R192R
1/8W
0805
750R
R186R
1/8W
0805
750R
25V
C74R
47N
W125
0805
4K7
R219
5
6
-
7
U202:B
MC33078D
W125
0805
10K
R220
0.
1W
7K50
R194L
0805
50V
C84L
15N
50V
C73L
4N7
100V
C80L
100N
50V
C82L
1N5
25V
C74L
47N
R186L
1/8W
0805
750R
D
3995
1B LIN
P209:A
20K
1.6KHz
3
2
-
1
U202:A
MC33078D
100N
100V
C58
3N3
25V
C59
3N3
25V
C60
D25
PMLL4148
C109
50V
100P
V-
GND
V+
GND
V+
V-
8
V+
4
V-
U200:C
8
V+
4
V-
U202:C
8
V+
4
V-
U203:C
W
125
10K
R227
0805
SOT-23
MMBT3904
Q8
7838
W6:A TO W6:B ON
SUB SENDS
6V2
D50
0W35
{Voltage}
C140
16V
33U
47P
50V
C67
D
3995
1B LIN
P205:B
20K
250Hz
50V
C72R
10N
50V
C68R
33N
25V
C67R
47N
3
2
-
1
U200:A
MC33078D
R199L
W250
1206
100R
R200L
W250
1206
100R
R203L
W250
1206
100R
SOT23
MMBT3906LT1
Q2L
7805
SOT23
MMBT3906LT1
Q4L
7805
W
063
56K
R170L
0603
W
063
56K
R182L
0603
D
3995
1B LIN
P209:B
20K
1.6KHz
100V
C80R
100N
50V
C82R
1N5
50V
C73R
4N7
R204L
W250
1206
100R
R207L
W250
1206
100R
W
063
47K
R208L
0603
SOT23
MMBT3906LT1
Q10L
7805
SOT23
MMBT3906LT1
Q11L
7805
SOT-23
MMBT3904
Q31
7838
8V2
D46
0W225
{Voltage}
5
6
-
7
U201:B
MC33078D
3
2
-
1
U201:A
MC33078D
12
9
6
3
13
10
11
7
4
1
2
5
8
V
V
V
V
V
V
V
V
V
V
V
V
V
D
D
D
D
N
N
N
N
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
12
9
6
3
13
10
11
7
4
1
2
5
8
V
V
V
V
V
V
V
V
V
V
V
V
V
D
D
D
D
N
N
N
N
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
13
10
7
4
1
9
11
12
8
#
2
3
5
6
VER#
MODEL(S):-
DATE
DESCRIPTION OF CHANGE
V
V
V
V
V
V
V
V
V
V
V
2v00
D
D
D
D
N
N
N
N
D
D
D
D
D
D
D
30-SEP-2009
N
N
N
N
N
N
N
PC7849: Isolate MEDIA GND OUT from MEDIA GND IN
M1172 HISTORY
MC12D
31-AUG-2009 1V0
RELEASED FOR PRODUCTION
All manuals and user guides at all-guides.com
all-guides.com