1
2
3
SUBWOOFER AMP
A
B
C
FROM INPUT PCB
+Hi
D
+15V_MOD
+15V_MOD
1
W201:1
8
N1201
R266
2512
R215
100K
47K5
FPGND
0805
2
W201:2
8
R267
N1208
100K
2
2512
3
W201:3
8
N1202
3
D213
E
SOT-23
N1203
4
15V0
R219
W201:4
8
475R0
0805
R201
ChGnd2
W100
FPGND
R7
5
12K1
W201:5
8
W100
0603
N1207
0805
WOOFGND
2K32
R8
6
W201:6
8
W100
N1206
0805
2K32
R5
R6
F
N1204
0805
0805
C217
7
1K54
1K54
W201:7
8
470P
50V
0603
R223
8
R229
R233
W201:8
8
0805
0805
1/8W
1K54
1K54
0805
6K98
N1205
+15V_MOD
R4
R3
0805
0805
MC33078D
1K54
1K54
U205:2
G
6
DUAL OPAMP
-
7817
R231
7
W100
5
0805
+
1K0
+15V_MOD
C225
50V
R236
6K98
470P
-15V_MOD
100N
0603
0805
C204
C210
0805
50V
0805
H
D1
DO214AC
3SMAJ5932B
20V
D2
I
DO214AC
3SMAJ5932B
F1
F2
20V
ChGnd2
0A5
0A5
5130
5130
-15V
+15V
J
K
1
2
3
4
5
6
7
R203
W100
R204
0805
10K0
W100
0603
12K1
+15V_MOD
R214
4K7
0805
C205
100N
C213
R218
50V
W125
0805
680P
50V
0805
8K66
0805
+15V_MOD
C233
D214
R268
U201
50V
+
W125
LM311
100N
4K02
D1005
7851
0805
CDSF4148
0805
U204:2
SO8
6
-
DUAL OPAMP
-
7
R222
5
10K0
7817
WOOFGND
+
0805
MC33078D
R221
-15V_MOD
100N
475R0
C234
C209
0805
0805
50V
0805
-15V_MOD
WOOFGND
R224
C218
0805
W125
1N
50V
0805
47R
R227
WOOFGND
W100
C242
10U
0805
1M0
16V
1206
U205:1
R230
2
DUAL OPAMP
C220
W125
-
50V
U204:1
0805
1
2
DUAL OPAMP
220N
4K02
1206
-
3
1
7817
+
R232
MC33078D
3
W100
+
MC33078D
0805
1K0
7817
R240
475R0
0805
C226
100V
47N
1206
WOOFGND
WOOFGND
R259
R261
182K
274K
0805
0805
R260
R258
0805
C235
20K5
1206
0805
470K
4
5
6
7
8
9
10
+ /-15V _ MOD
+15V
+15V_MOD
R200
W250
N1211
1206
10R
100N
50V
C206
0805
100N
50V
C207
WOOFGND
0805
R202
W250
N1212
1206
-15V_MOD
10R
-15V
D200
SILENT ON/OFF
CDSF4148
R9
R207
R208
Silent
W100
W100
W125
0805
0805
0805
U200:2
1K0
1K0
4M7
C215
LTV-8141S
50V
C214
R212
D201
50V
22V0
10K0
1U
470N
SOT-23
0805
1206
4X4mm
6668
4PIN SMT
LVGND
WOOFGND
+15V_MOD
+15V_MOD
C203
50V
100N
0805
R226
WOOFGND
15K0
0805
U202
2
+
LM311
7851
SO8
3
-
Q204
MMBTA92
C211
8165
100N
SOT-23
50V
+17V_LS
0805
D204
-15V_MOD
WOOFGND
ES1J
R237
DO-214AC
1W00
1R0
R247
2512
4K7
R209
0805
100K
2512
U203
IRS21844S
7
VCC
R262
1
W100
IN
274K
2
SD
0805
4
DT
3
4
+
3
VSS
1
-
C231
C230
47P
C232
R251
100N
8163
TL331
4K7
0805
C216
50V
0805
0805
U206
0805
33U
25V
50V
R210
SOT23-5
6x6mm
6K98
0805
R255
R256
W125
W125
0805
0805
82K5
82K5
YS#3114
RED
WOOFER
4
RED
3
2
BLK
1
BLK
8
9
10
11
12
13
Lin k 1
LVGND
PSGND
WOOFGND
D209
SOT-23
43V0
CDSF4148
Q200
MMBF4391LT1
D207
MMBTA92
3
Q201
R213
8165
D
182K
SOT-23
D1005
4
0805
7806
R257
SOT-23
4K7
S
0805
-15V_MOD
LVGND
LVGND
-15V_MOD
+175V PSA1S
+205V ES15P
+215V ES18P
+Hi
+215V ES12P
+205V PSA2S
+215V ES21P
Q203
R225
IKW75N65EH5
T0247
W250
2321
1206
10R
D203
R228
W250
C222
1206
BAT750
600V
10R
SOT-23
10U
R234
D205
RAD POLY
182K
C224
0805
ZD200
ES1J
1U
50V
0W2
DO-214AC
18V0
1206
4X4mm
Q205
12
HO
IKW75N65EH5
VB 13
T0247
11
2321
VS
R249
W250
1206
5
COM
D206
10R
R250
LO 6
W250
1206
BAT750
10R
SOT-23
6686
R252
SO14
1M0
0805
-175V PSA1S
-205V ES15P
-215V ES18P
-Hi
-215V ES12P
-205V PSA2S
-215V ES21P
2x12" 4R
600WPGM #7545 PSA1S
2x15" 8R 1000WPGM #7447 PSA2S
1x12" 4R 2800WPGM #7437 ES12P
1x15" 4R 2800WPGM #7470 ES15P
1x18" 8R 1200WPGM #7420 ES18P
1x21" 4R 3000WPGM #7500 ES21P
11
12
13
14
15
16
17
+17V_LS
C237
1U
25V
D212
1206
DO-214AC
R206
ES1J
R263
D208
R264
2512
W125
W100
100K
1K4
13K
DO-214AC
0805
C236
0805
ES1J
C238
4U7
100N
50V
50V
0805
1210
L202
U207
1
S
5
2
1000UH
D
S
7
S
8
LNK302G
S
C241
4U7
C239
D211
8211
2U2
50V
MURA240T3
1210
SMD8B
250V
403D
RAD 0.1in
R265
330R
-175V PSA1S
1206
+ 17V _ LS
-205V ES15P
-Hi
-215V ES18P
-215V ES12P
-205V PSA2S
-215V ES21P
D210
MURA240T3
403D
C219
680N
400V
L200
R238
W100
533UH
0805
6663
R241
100R
2512
C227
2R0
100N
R242
R243
50V
0R02
0R04
R248
0805
OARS
OARS
2R0
DNS
2512
C229
1600V
N1209
470p
4
4
W402:4
L401
C228
486u H
N1215
N1
3
680N
4
W402:3
400V
N2
2
4
W402:2
2906
1
4
W402:1
N1214
N1210
C401
C402
N5
1206
1206
Lin k 2
PSGND
F i lte r G N D
F i lte r G N D
ChGnd2
Woofer Amp
Section:
M1823-ES12P-15P-18P-PSA2S
Product(s):
ES12P/ES15P/ES18P/ES21P/PSA1S/PSA2S
PCB#
M 1823
Rev#
V02
BOM Rev#
01
Sheet
2
Of
Date Modified:
2020-10-27
Filename:
Amp.SCHDOC
14
15
16
17
A
B
C
D
E
F
G
H
I
J
K
4