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POWER AMPS
PHANTOM SUPPLY
+51V_
+15V_MOD
R10
10K0
C47
C48
C49
MMBT3904
7838
0805
0805
63V
0805
Q4
100N
SOT-23
RAD .2in
D4
C7
12V0
63V
C55
SOD-323
WOOFGND
10U
0805
C56
C57
D20
63V
0805
+27V_
SOD-323
100N
15V0
RAD .2in
-15V_MOD
LVGND_
FROM INPUT PCB
1
W1:1
9
N1017
LVGND_
PSGND_
H_In+
2
W1:2
9
N1018
3
W1:3
9
N1019
SILENT ON/OFF
+15V_
4
HORNGND_
W1:4
9
R19
N1020
W100
5
1K0
W1:5
9
N1021
0805
+27V_
-15V_
6
D8
W1:6
9
N1022
22V0
SOT-23
N1023
7
WOOFCLIP_
W1:7
9
N1024
8
W1:8
9
9
W1:9
9
+15V_MOD
R30
W100
15K0
0805
R35
39K
1210
2
+
U1
R48
LM311
3
-
W100
7851
R51
6K80
499R
SO8
0603
0805
WOOFGND
C28
-15V_MOD
470P
50V
R45
0603
W100
6K80
+15V_MOD
0603
C32
63V
6
R56
-
MC33078
MC33078
220N
8
6K80
6
-
7817
7817
U6:2
RAD .2in
0603
V+
R54
R55
7
5
+
U6:3
W100
W100
V-
1K0
1K0
5
+
SO8
SO8
0805
0805
4
R59
C37
C36
6K80
0603
100V
0603
47N
-15V_MOD
RAD .2in
WOOFGND
FROM POWER SUPPLY
+15V_
+/-15V_MOD
8
W2:8
8
N1026
+15V_MOD
+15V_
-177V_
7
8
W2:7
R64
C50
N1027
+177V_
N1038
W250
0805
6
10R
W2:6
8
1206
N1028
+26V_
C41
5
63V
8
W2:5
100N
N1029
+51V_
RAD .2in
4
PSGND_
W2:4
8
N1030
-26V_
C58
3
8
0805
W2:3
LVGND_
N1031
-51V_
-15V_MOD
C44
2
W2:2
8
63V
R73
N1032
100N
1
N1033
W250
RAD .2in
8
W2:1
C91
N1039
10R
-15V_
63V
1206
100N
-15V_
RAD .2in
PSGND_
-36VDC
SILENT_
R13
W100
2K21
D5
0805
SILENT ON/OFF
CDSF4148
D1005
R20
W125
-15V_
1M
0805
U30
R22
MC7815CT
C11
R29
C12
10K0
+26V_
63V
1206
D28
4K75
0805
2U2
0805
CDSF4148
IN
OUT
RAD .2in
4PIN SMT
D1005
6668
6872
3
C109
LTV-8141S
63V
4
100N
PSGND_
RAD .2in
U4:2
R36
PSGND_
W100
10K0
C116
0805
63V
C18
100N
+15V_MOD
RAD .2in
-26V_
100V
680P
IN
OUT
+15V_MOD
R32
4K75
MC7915CT
0805
R28
8
U2:1
6871
2
-
7817
7817
W100
V+
4K75
1
0805
U2:3
3
V-
+
SO8
SO8
R34
R49
4
MC33078
MC33078
10K0
499R
0805
0805
-15V_MOD
WOOFGND
C29
WOOFGND
R43
W125
1N
50V
47R
0805
R47
0805
+15V_MOD
MC33078
W125
7817
1M
C156
MC33078
R52
0805
7
2
-
7817
W125
4K7
1
2
U2:2
63V
+
SO8
0805
180N
U6:1
3
RAD .2in
+
SO8
3
-
R62
499R
0805
R212
10K0
0805
-15V_MOD
WOOFGND
R213
18K2
0805
-15V_MOD
R61
W125
41K2
0805
C237
1U
50V
1206
R264
R263
D208
W125
W100
1K62
13K
DO-214AC
D210
0805
C236
0805
ES1J
403D
PSGND_
100N
50V
C238
R265
0805
1210
330R
L202
1206
U207
S 1
PSGND_
5
2
7974
D
S
7
1000UH
S
LNK302G
8
S
D211
8211
MURA240
403D
2U2
250V
SMD8B
RAD 0.1in
+15V_LS
C71
-177V_
100V
680P
HORNGND_
C92
3N3
25V
0805
Q5
BC857C
SOT23
C144
10N
50V
Q7
1206
7805
R21
Q9
C8
18K2
D
J110
0805
0805
SOT-23
S
SOT23
D7
12V0
SOD-323
+15V_
HORNGND_
C103
D16
63V
SOD80
4U7
PMLL4148
4X7MM .2in
C110
63V
PSGND_
4U7
D18
4X7MM .2in
SOD80
U31
PMLL4148
WOOFER AMP
-15V_
MMBTA92
D23
R33
Q19
W125
8165
187K
SOT-23
0805
43V0
SOT-23
Q20
R270
R38
C15
R71
D
1206
18K2
J110
0805
187K
619K
SOT-23
0805
S
0805
WOOFGND
R46
+15V_MOD
1R0
-15V_MOD
1206
R40
15K0
D17
0805
ES1J
DO-214AC
Q24
U3
MMBTA92
1
8
8165
IN
VB
SOT-23
IRS2184
2
7
U7
SD
HO
LM311
6589
D47
6
7851
VS
ES1J
SO8
DO-214AC
COM 3
R72
+15V_LS
4K75
5
LO 4
0805
VCC
WOOFGND
R76
4K75
C77
0805
0805
-177V@Q15C
R80
R79
R67
W125
W125
W125
41K2
41K2
41K2
0805
0805
0805
WOOFGND
PSGND_
+15V_LS
D212
DO-214AC
ES1J
R145
R75
R69
W100
W100
W100
2K21
2K21
2K21
R1
0805
0805
0805
22K
R146
R98
R3
C241
0805
W100
W100
W100
1210
2K21
2K21
2K21
0805
0805
0805
C1
R147
R128
R148
0805
R5
W100
W100
W100
3K92
2K21
2K21
2K21
0805
0805
0805
0805
R6
C3
R8
R9
R4
W250
1210
270R
270R
270R
R7
22R
0805
0805
0805
R260
499R
1206
0805
Q3
22R
R68
R70
R74
1206
270R
270R
270R
SOT23
0805
0805
0805
R15
C5
BC847C
R184
270R
0805
0805
W100
499R
C4
0805
25V
68U
BC857C
R14
Q6
SOT23
W125
47K
0805
C6
Q8
10P
1000V
R23
1206
W250
22R
R16
1206
2K21
7805
0805
C10
SOT23
D6
0603
200V
Q11
D21
SOD-323
MJD340
DPAK3
7022
CDSF4148
D1005
C9
C14
1210
R27
R25
R24
0805
100R
100K
2K21
0805
1206
0805
-51V_
-51V_
HORNGND_
+177V_
C20
Q14
140V
AIKW50N65DF5
3U3
T0247
2511
RAD POLY
R37
W250
22R
1206
C51
D15
R39
340V
W250
3U3
30V
10R
RAD POLY
1206
SOD123
R31
R280
R41
-
187K
C25
R215
0805
C24
4X4mm
R219
ZD1
x 4
L1
1206
10R
10R
10R
10R
10R
18V0
1206
1206
1206
1206
1206
SOD-323
-
Wout@Q14C
R220
R224
x 4
10R
10R
10R
10R
10R
+15V_LS
1206
1206
1206
1206
1206
R282
Q15
AIKW50N65DF5
T0247
2511
R50
W250
C89
22R
1206
1000V
D19
R53
1N
W250
10R
R281
30V
R57
C31
C35
1206
SOD123
W125
4X4mm
C34
1M
1206
0805
140V
3U3
RAD POLY
-177V_
HORN AMP
+51V_
Q12
D
IRFP140N
N
R2
G
TO247
W100
6931
2K21
S
0805
D2
+26V_
D1
D3
C2
12V0
63V
16V0
10U
SOD-323
MURS360B
SOT-23
RAD .2in
SMB
Q2
BDX53C
TO220
6912
W250
TP1
TP1
R11
R12
Spkr
0R47
0R47
2512
2512
4
4
W4:4
N1035
R17
R18
C118
0R47
0R47
400V
2512
2512
2N2
+
TP2
S1
RAD .2in
R261
#7461
TP2
W250
R186
1" 8R
22R
2R4
Q10
40W
-
1206
1206
HORN
BDX54C
6911
R267
R268
-26V_
D10
2R4
47R
D9
1206
0805
C13
MURS360B
63V
D11
16V0
R269
SMB
10U
12V0
2R4
SOT-23
RAD .2in
SOD-323
1206
Q1
R26
P
Spkr
IRFP9140N
W100
2K21
TO247
3
4
W4:3
6932
0805
N1034
HORNGND_
-51V_
PSGND_
R44
W100
100R
0805
#7455
0805
12" 4R
450WPGM
T810-600G-TR
R42
S2
N1036
WOOFER+
2W00
Spkr
0R02
Spkr
R65
R60
OARS
2
Q17
W4:2
4
C22
W250
W250
1
4
140V
100K
100K
7915
2906
3U3
1206
1206
486uH
D2PAK
Q18:1
RAD POLY
R63
C40
TO92
W250
1206
10R
N1037
1206
MBS4992
{Voltage}
L2
5190
C54
10U
5X7MM .2in
R66
R58
16V
W250
W250
C52
100K
100K
HC1
1206
1206
1206
1
CON_HOLE_128
PSGND_
CHGND-Cap
W8
Horn+
Horn-
YEL
W7
BLK
HEATSINK
TP3
Woofer-
Woofer+
W3
RED
BLK
W5
POWER AMPS
Section:
NX55P-2
Product(s):
M2256
V01
T. Wood
2
PCB#:
Rev#:
Eng:
Sheet
Modified:
2022-08-17
File:
Amps.SCHDOC
W4:1
3
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