YORKVILLE EXM70 Service Manual page 40

1 2 3
A
B
C
R181
W100
18K2
C110 C111 0805 C112
10N 100V
RAD .2in
R173
D 4N7 4N7
4K32
RAD .2in RAD .2in
0805 250V 250V
AmpIn+
E R234
W100
100K0
0805
AmpIn-
C117
F
250V 4N7
RAD .2in
R179 R180
W125 W125
39K2 39K2
0805 0805
G
H
I
J
K
1 2 3
4 5 6 7
R204 R205 R121
15K0 15K0 15K0
0805 0805 0805
PwrLED
PwrLED
HiAmpIN+ HiAmpIN-
MC33078 1 1
2 7817
-
1
TP27 TP26
3
+
SO8
C49
R174
R109
U12:1
39K2
W100
470N 50V
0805
2K74
1206
C50
0805
R110
AmpAIn+
W100
470N 50V
2K74
1206
R130 R221
0805
1K0 1K0
0805 0805
SGND
R232 R233
1K0 1K0
0805 0805
C51
MC33078
R219
AmpBIn+
6 7817
- W100
470N 50V
2K74
1206
7
0805 C52
R220
5
W100
+
470N 50V
SO8
2K74
U12:2
1206
0805
RAD .2in
1 1
C123
400V
2N2
TP29 TP28
LoAmpIN+ LoAmpIN-
SGND
SGnd
GND1
PAmpGnd
GND2
GND4
GND3
-32V_
+32V_
SGND
-32V
100N
4 5 6 7
8 9 10
+32V
R147
30K0
0805
U8
9
IN1M
8
IN1P
HSOP-24
TDA8950TH
6795
2
SGND
5
IN2P
4
IN2M
C106
SGND
220N 50V
1206
C108
C114 1206
220N 50V
1206
R143 R144
0805 0805
GND3
10R0 10R0
220N
C134
100V
RAD .2in
4U7
-32V
HS1 C71
+32V
100V -32V
C135
RAD .2in
4U7
6671
100V
1206
8 9 10
11 12 13
C37 C38
1206 1206
AMPSTBY
C73
1 +32V -32V
100N 100V
1206
C68 C69
TP22 0805 0805
R98 R146
22R 22R
2512 2512
OUT1 16
C64
22UH
BOOT1 15
3303
15N 50V
0805
AmpGnd
1
TP33
GND1
C53
BOOT2 22
15N 50V
0805
OUT2 21
22UH
R190 R145
22R 22R 3303
2512 2512
C72
C66 C70
+32V -32V
100N 100V 0805 0805
1206
C107
C109 C113
0805
1206 1206
1
1
C133 TP19
TP16
V- V+
50V
1206
R211
0805
10R0
* Product(s):
*
Description:
*
PCB#:
*
www.yorkville.com
Modified:
11 12 13
14 15 16 17
+32V
HIAMPo+
1
D24
MURS120T3
L1
R203 TP20
1W2
HiAmpOut+
6505
0.65A 0R41
R142 R99
D30
C67 47R 47R
MURS120T3
63V
2512 2512
680N
-32V
C59
100N 100V
1206
HiAmpOut-
L2
LOAMPo+
1
LoAmpOut+
D46
TP21
R102 R241 MURS120T3
C95
47R 47R +32V
63V
2512 2512
D47
680N
C61 MURS120T3
-32V
100N 100V
1206
GND2
LoAmpOut-
EXM70
Powered Speaker
M1616 V01P1 01 11
Rev#: EML Rev#: Sheet Of
2018-04-18 Power Amp.SchDoc V031
File: Tmp Rev:
14 15 16 17
A
B
C
D
E
F
G
H
I
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18
K