Boston MCS 95, Service Manual

Page: 13 / 22

1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
Title
Number Revision Size
A3
Date: 2010/1/19 Sheet of
File: D:\My File\..\SWXS-Soundware-EV4.SchDoc Drawn By:
C
4
0
.3
3
/2
5
0
V
/
X
2
ZNR1
TVR10471
TH1
10SP008
4 3
1 2
LF1
10mH
C5
NI
1
3
2
CN1
CON3.96-3P2C
F1
JUMP
V+
1
A
C
2
A
C
3
V-
4
BR1
GBU406
+
C2
220uF/200V
+
C6
220uF/200V
C1
NI C3
NI
PGND
R1
100K/1206
R3
100K/1206
R2
510K/1206
R4
510K/1206
R5
100K/1206
R6
100K/1206
3
1
5
6
10
7
8
12
11
T1
ERL-28V
R7
300K/1W
D1
1N4007
G
D
S
Q5
STP11NK40ZFP
1
2
C18
0.1uF/250V
R18
22/1206
R22
22/1206
+ C8
470uF/35V
+ C16
470uF/35V
C7
NI
R8
NI
C12
NI
R12
NI
C9
NI
R11
NI
SGND
R10
NI
C10
NI
R15
NI
C11
NI
+VH1
-VH1
2
1
3
D2
SF1604GD
2
1
3
D5
SF1604GD
C17
NI
R16
NI
G
D
S
Q1
STP11NK40ZFP
D3
1N4148
R9
10/1206
D10
ES1D
D7
ES1D
+
C26
100uF/25V
+
C21
100uF/25V C19
104/0805
C25
104/0805
PGND
1
2
C27
0.1uF/250V
SGND1
1
2
3
CN2
CON3.96-3
1
2
3
4
CN3
CON2.5-4
HO
VS
LO
+V1.
-V1.
PVCC
1
2
3
4
5
6
7
8
CN4
CON2.0-8
1
2
3
4
5
6
7
8
CN5
CON2.0-8
LO LO1
HO HO1
VS VS1
PGND
PVCC1 PVCC
SD1 SD
1
2
J2
CY1
102Y1
PGND SGND
1 2
J3
1 2
J4
1 2
J1
D6
1N4148/1206
D9
1N4148/1206
R23
10K/0805
VCC
1
RT
2
CT
3
COM
4
LO
5
VS
6
HO
7
VB
8
U1
IR21531S
R21
15K/0805/1%
C28
102/0805
C24
104/0805
D8
SF16
+ C23
22uF/50V
C22
104/0805
GND-P
C14
104/0805
1
3 2
Q2
2N3904
+ C13
47uF/35V
R13
10K/1206
1
2
ZD2
15V/1206
D4
1N4148
C15
102/0805
1
3
2
Q4
NI
C20
NI R19
NI
R17
NI
2
3
1
Q3
NI
R14
NI
FG(SGND)
Input Voltage J1
120VAC
230VAC
JUMPER
NI
Table 1 :
See table 1
CY4
NI
1
2
CY2
NI
1
2
CY3
NI
1 2
J5
4 3
1 2
LF2
10mH
C29
0
.2
2
/2
5
0
V
/
X
2
R20
10K/0805
1 2
J6
AuxG
AuxG
1
2
J7
NI
GND-P
GND-P
GND-P
LO1
HO1
VS1
PVCC1
SD1
SGND1
1 2
J8
NI
SGND
1
2
ZD3
18V/0.5W
AuxG
C30
101/1KV
Heatsink
EV4
SWXS-Soundware
1
ZR1
1
ZR2
1
ZR3
1
ZR4
SAM
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