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SUBWOOFER AMP
EC2
1
Link3
CON_HOLE_189
LVGND
PSGND
FROM INPUT PCB
+15V_MOD
+15V_MOD
1
W201:1
8
+Hi_Fused
N1201
R55
R56
R215
W125
W125
47K5
LVGND
49K9
49K9
0805
2
W201:2
8
0805
0805
N1208
2
+
R57
R58
3
W201:3
8
W125
W125
N1202
49K9
49K9
D213
3
0805
0805
OC
-
SOT-23
4
15V0
R219
W201:4
8
475R0
N1203
0805
R201
LVGND
W100
5
LVGND2
12K1
W201:5
8
0603
N1207
WOOFGND
-15V_MOD
6
C217
W201:6
8
N1206
470P
50V
+15VS
0603
R223
7
W201:7
1/8W
8
N1204
0805
6K98
R233
R7
+15V_MOD
8
W201:8
8
0805
0805
50V
N1205
6K98
6K98
-15VS
220N
U205:1
2
DUAL OPAMP
-
R231
1
W100
0805
3
7817
1K0
+
MC33078D
50V
C225
R236
6K98
470P
0603
0805
-15V_MOD
WOOFGND
CAPACITOR BANK
EC1
1
1
W4:1
5
C29
C32
1210
1210
CON_HOLE_189
2
W4:2
5
PSGND
3
W4:3
5
4
W4:4
5
C33
C34
5
1210
1210
W4:5
5
+15V_MOD
+15VS
100N
50V
100N
50V
100N
50V
C202
C203
C204
0805
0805
0805
100N
50V
100N
50V
100N
50V
C209
C210
C212
LVGND
0805
0805
0805
-15VS
-15V_MOD
R203
W100
0805
10K0
R204
W100
+15V_MOD
0603
12K1
R214
4K7
FOR B VERSION
0805
VALUE= 6K98 YS#7680
C213
R218
W125
680P
50V
0805
0805
8K66
+15V_MOD
D214
R268
U201
W125
LM311
D1005
4K02
7851
CDSF4148
0805
U204:2
SO8
6
DUAL OPAMP
-
7
R222
5
10K0
+
7817
0805
MC33078D
R221
470R
0805
-15V_MOD
WOOFGND
R224
C218
0805
W125
1N
50V
0805
47R
R227
W100
C220
10U
C242
U204:1
0805
1M0
2
DUAL OPAMP
MC33078D
1206
-
16V
1206
U205:2
R8
1
6
DUAL OPAMP
W125
-
7817
R232
0805
3
7
+
4K02
W100
MC33078D
0805
5
1K0
7817
+
C226
100V
47N
R240
1206
470R
0805
WOOFGND
R259
R261
182K
274K
+Hi
0805
0805
N4
3
+
1
-
C12
C13
40X80MM
250V
R260
3300U
10U
3300U
R258
250V
40X80MM
0805
C235
20K5
10V
0805
470K
0805
D5
ES1J
DO-214AC
N7
D4
PSGND
ES1J
C14
C15
DO-214AC
250V
40X80MM
3300U
3300U
250V
40X80MM
N8
-Hi
+15VS
+15V_MOD
R200
W125
N1211
0805
10R0
100N
50V
100N
50V
100N
50V
C205
C233
C206
0805
0805
0805
+/-15V_MOD
100N
50V
C207
LVGND
100N
100N
50V
50V
0805
C211
C234
R202
0805
0805
W125
WOOFGND
N1212
0805
-15V_MOD
10R0
-15VS
SILENT ON/OFF
+Hi
R63
619K
1206
+15V_MOD
+15V_MOD
R226
15K0
R61
0805
619K
1206
U202
2
+
LM311
R62
7851
619K
SO8
3
1206
-
Q204
MMBTA92
8165
SOT-23
+15V_LS
-15V_MOD
WOOFGND
D204
ES1J
R237
D205
DO-214AC
1W00
1R0
ES1J
R247
2512
DO-214AC
4K7
0805
U203
IRS21844S
7
HO 12
VCC
VB
VS 11
R262
1
W100
IN
2
1M0
SD
0805
4
DT
COM 5
4
LO
3
VSS
6686
C231
R210
C230
SO14
C232
R24
100N
8163
TL331
4K7
C216
47P
0805
U206
0805
0805
50V
33U
25V
50V
50V
SOT23-5
20K5
0805
6x6mm
1N
0805
R255
R256
W125
W125
0805
0805
82K5
82K5
RED
4
RED
3
WOOFER
2
BLK
1
BLK
+15VS
100N
50V
C200
0805
Link4
Link2
Link5
WOOFGND
100N
50V
C208
0805
LVGND
PSGND
WOOFGND
-15VS
SILENT
R230
W250
1206
DNS
+Hi
1
VCC
SOT23-6
4
IKW75N65EH5
SINK
2
Q203
IN
R225
6
T0247
SOURCE
W250
2321
1206
GND
22R
3
U3
D22
R229
ZXGD3006E6Q
C222
1W00
6960
500V
2512
SOD123
1R0
10U
B0540
RAD POLY
R234
W100
182K
0805
R9
150R
C224
C221
100N
0805
ZD200
100V
18V0
1206
1U
50V
R59
4X4mm
SOD-323
.
2R
R60
.
2R
2321
R23
13
IKW75N65EH5
W250
Q205
R249
T0247
1206
DNS
1W00
2512
1R0
+15V_LS
C229
1600V
D21
470p
1
R10
SOD123
6
B0540
W100
VCC
150R
4
SOT23-6
SINK
+15V_LS
0805
2
IN
R251
6
SOURCE
W250
R25
1206
C22
GND
100N
10K0
22R
U4
0805
3
ZXGD3006E6Q
100V
1206
6960
C23
C27
1210
1210
-Hi
CHSGND
EC10
1
CON_HOLE_140
CHSGND
C219
680N
400V
C223
500V
10U
RAD POLY
C3
C4
140V
RAD POLY
L200
140V
3U3
3U3
R238
RAD POLY
W125
U200:1
453UH
0805
6699
33R
1
LTV-8141S
R242
C227
0R02
R243
R244
100N
2
400V
OARS
0R02
0R05
C228
OARS
OARS
50V
680N
PSGND
0805
6668
R1
R11
4PIN SMT
W125
W125
L4
187K
187K
0805
0805
R12
11mm
2919
187K
0.18UH
4
4
W5:4
0805
3
Q1
4
W5:3
T810-600G-TR
R13
2
4
W5:2
187K
7915
C35
C36
0805
1
1210
1210
D2PAK
4
W5:1
Q3
R2
TO92
W250
10R
4
4
W1:4
1206
C1
MBS4992
1206
3
5190
PSGND
4
W1:3
R14
2
4
W1:2
W125
1
187K
4
W1:1
0805
C2
PSGND
10U
16V
EC3
4
5X5.5mm
4
W2:4
1
3
C28
4
W2:3
1210
CON_HOLE_189
2
EC7
EC8
4
W2:2
1
1
1
4
W2:1
CON_HOLE_140
CON_HOLE_140
PSGND
PSGND
Woofer Amp
Section:
SA218S
Product(s):
PCB#:
M2333
Rev#:
V01
Eng:
T. Wood
Sheet
Modified:
2023-08-23
File:
Amp.SCHDOC
2
Of
3
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