1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
K
K
J
J
I
I
H
H
G
G
F
F
E
E
D
D
C
C
B
B
A
A
INPUT
Section:
Product(s):
X8022.SCHDOC
1
1
Sheet
Of
PCB#
Rev#
Date Modified:
V02
Filename:
10-Jul-18
BOM Rev#
02
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
CDSF4148
D1005
D39
GNDA
GNDA
GNDA
GNDA
GNDA
W1
00
13K
0805
D
N
S
R83
GNDA
W
125 1K5
0805
R25
W100
1K0
0805
R4
GNDA
10K00
W125
0805
R2
GNDA
GNDA
CDSF4148
D1005
D7
GNDA
25V
68U
C18
63V
470N
C12
GNDA
W100
10K0
0805
R28
W100
27K4
0805
R34
220K
W125
0805
R56
1M0
W100
0805
R68
CDSF4148
D
1
0
0
5
D46
4
V+
V-
8
U1C
7967
L13
4140
1
2
3
J1
4
V+
V-
8
U18C
100V
10N
RAD .2in
C6
GNDA
82K5
W12
5
0805
R47
GNDA
470P
250V
0603
C1
4
V+
V-
8
U7C
100N
50V
0805
C125
100N
50V
0805
C74
CDSF4148
D1005
D40
IN-Speaker
OUT-Line
V
+
11
V-
6
U15E
100N
50V
0805
C130
CDSF4148
D1005
D35
MMBTA14LTIG
Q21
33K
W125
0805
R120
W125
10K00
0805
R6
W100
2K74
0805
R3
GNDA
W125
47K
0805
R92
CDSF4148
D
1
0
0
5
D15
4K99
W100
0805
R29
GNDA
8
4
V+
V-
U27C
CDSF4148
D
1
0
0
5
D6
CDSF4148
D
1
0
0
5
D24
GNDA
5K6
W125
0805
R88
W
125 4K7
0805
R95
63V
470N
RAD .2in
C49
W100
2K74
0805
R116
7967
L12
7967
L10
7967
L11
W100
475K
0805
R7
100N
63V
C36
MC33078
7817
SO8
3
2
1
+
-
U18A
CDSF4148
D1005
D11
27K4
W100
0805
R97
100V
33N
RAD .2in
C50
GNDA
W125
100K
0805
R36
W100
1K0
0805
R1
10K0
W100
0805
R84
W100
15K0
0805
R49
LM13700MX
BIAS
2
5
+
3
-
4
1
U15A
W
125 100K
0805
R9
W12
5
4K7
0805
R32
470R
W125
0805
R111
W100
221R
0805
R14
W125
47K
0805
R10
W125
220K
0805
R16
100K
W125
0805
R13
GNDA
W100
27K4
0805
R33
CDSF4148
D
1
0
0
5
D9
CDSF4148
D1005
D3
MMBT5401
SOT-23
7837
Q1
W100
15K0
0805
R55
TL072
7669
SO8
5
6
7
-
+
U4B
50V
1N
0805
C120
W100
10K0
0805
R23
W100
1K0
0805
R19
CDSF4148
D1005
D5
10K0
W100
0805
R127
10K0
W100
0805
R142
C
D
S
F
4
1
4
8
D
1
0
0
5
D47
GNDA
100V
68N C39
W100
348K
0805
R18
W125
47R
0805
D
N
S
R39
MMBT3904
SOT-23
7838
Q2
4K7
W125
0805
R112
63V
470N
C17
J2
4010
30K0
W125
0805
R165
30K0
W125
0805
R181
470P
250V
0603
C2
100N
50V
0805
C124
18K00
W125
0805
R5
W100
274K
0805
R119
100N
50V
0805
C131
MC33078
7817
SO8
3
2
1
+
-
U5A
W125
18K00
0805
R107
MMBT3904
SOT-23
7838
Q5
W125
47K
0805
R93
W125
22K
0805
R91
W125
47K
0805
R89
W125
22K
0805
R90
100N
63V
C37
ALUMINUM
SPACER
TO CHASSIS
W100
27K4
0805
R96
CDSF4148
D1005
D10
W100
1M0
0805
R128
W125
22M
0805
R48
CDSF4148
D1005
D2
W125
47K
0805
R15
PEAK LIMIT
DETECT
W125
1K5
0805
R164
W125
47K
0805
R24
W125
2K74
0805
R73
W100
1M0
0805
R159
63V
220N C40
33N
100V
C14
YEL
6400
LD2
8
1
W100A
8
2
W100B
8
3
W100C
8
4
W100D
8
5
W100E
8
6
W100F
8
7
W100G
8
8
W100H
RMS DETECT
470R
W125
0805
R27
25V
68U
C21
63V
470N
C11
CDSF4148
D1005
D4
8
4
V+
V-
U40C
4
V+
V-
8
U6C
8
4
V+
V-
U4C
4
V+
V-
8
U5C
100N
50V
0805
C126
48R
2
6
5
V
PTC1
6543
1
W125
47K
0805
R94
CDSF4148
D1005
D31
RED
6405
CLIP
LD3
D
O
W
N
Alternate
U
P
NO
COM
NC
S1B
3522
W100
4K99
0805
R196
W125
82K5
0805
R115
W125
1K800
0805
R21
NO
COM
NC
D
O
W
N
Alternate
U
P
S1A
3522
100N
50V
0805
C47
0W2
18V0
ZD2
8
4
V+
V-
U25C
Boost to
Match
Impedance
MC33078
7817
SO8
5
6
7
+
-
U7B
1
TO POWER
AMP PCB
MMBT3904
SOT-23
7838
Q4
2K0
W100
0805
R86
W1
00
2K21
0805
R118
MC33078
7817
SO8
3
2
1
+
-
U7A
10K0
W100
0805
R121
63V
470N
RAD .2in
C51
Rolloff
Frequency
27K4
W100
0805
R98
POWER
GRN
6408
LD1
68K
W125
0805
R85
W100
221R
0805
R8
LM13700MX
BIAS
15
12
+
14
-
13
16
U15B
W125
47K
0805
R17
TL072
7669
SO8
3
2
1
-
+
U4A
270P
50V
0805
C94
Rolloff
Frequency
MC33078
7817
SO8
3
2
1
+
-
U6A
27K4
W100
0805
R35
100V
33N
C13
63V
470N
C16
10K0
W100
0805
R126
TL072
7669
SO8
3
2
1
-
+
U27A
Boost
MC33078
7817
SO8
5
6
7
+
-
U1B
2K32
W100
0805
R122
0R
W100
0805
R123
MC33078
7817
SO8
5
6
7
+
-
U6B
W125
1K5
0805
R113
100N
50V
0805
C127
TL072
7669
SO8
3
2
1
-
+
U25A
TL072
7669
SO8
5
6
7
-
+
U25B
W125
1K800
0805
R42
0W2
18V0
ZD1
100N
50V
0805
C46
1N
400V
C3
33N 100V
RAD .2in
C48
W100
27K4
0805
R114
TL072
7669
SO8
3
2
1
-
+
U40A
TL072
7669
SO8
5
6
7
-
+
U27B
W125
47K
0805
R11
270P
50V
0805
C93
TL072
7669
SO8
5
6
7
-
+
U40B
MC33078
7817
SO8
3
2
1
+
-
U1A
SIGNAL TO
AMP INPUT
1
4
5
3
2
RING
J7
MC33078
7817
SO8
5
6
7
+
-
U18B
1
4
5
3
2
RING
J3
MC33078
7817
SO8
5
6
7
+
-
U5B
GNDA
GNDA
GNDA
GNDA
GNDA
SIGNAL
SIGNAL
LEDGND
+15VIP
+15VIP
+15VIP
+15VIP
+15VIP
+15VIP
+15VIP
+15VIP
+15VIP
+15VIP
-15VIP
-15VIP
-15VIP
-15VIP
-15VIP
-15VIP
-15VIP
-15VIP
-15VIP
INPUT GND
+15V
-15V
RIBBON_GND
+15VIP
LEDGND
LIMIT
B
10K
2339
T
B
LEVEL
P1B
B
10K
2339
T
B
unused
P1A
GNDA
CHASSIS GND
CHASSIS GND
ALUMINUM
SPACER
TO CHASSIS
100N
0805
50V
C128
100N
0805
50V
C129
P1C
+15VIP
-15VIP
100N
0805
50V
C132
100N
0805
50V
C133
D1005
CDSF4148
D48
RIBBON_GND
GNDA
-15V
+15V
N1001
N1002
N1003
N1004
N1005
N1006
N1007
N1008
N1009
N1010
N1011
N1012
GNDA
+15VIP
-15VIP
100N
0805
50V
C135
100N
0805
50V
C136
+15VIP
-15VIP
100N
0805
50V
C137
100N
0805
50V
C138
+15VIP
-15VIP
100N
0805
50V
C139
100N
0805
50V
C140
RAD .2in
16V
33U
C9
0805
50V
47P
C8
82K5
W125
0805
R46
IN-Speaker
OUT-Line
W125
82K5
0805
R124
PSA1S-M1698
D
N
S
W125
0R0
0805
R12
SMT
W125
2K74
0805
R41
SMT
W125
47R
0805
R40
S
M
T
W125
0R0
0805
R20
PSA1S-M1698