Yamaha MSR800W Service Manual page 34

A
■ MSR800W OVERALL CIRCUIT DIAGRAM 2/4 (MIX)
Q Q
3 7 6 3 1 5 1 5 0
MIX
OP AMP
2
R161
SIG CN104
3.3K
3
+15V
1
to INPUT-CN103 2
GND
3
R162 R163
-15V 4
20K 1.8K
PH4P
T E
L 1 3 9 4 2 2 9 6 5 1 3
POWER
LD102
LT321-41-C13
Note: See parts list for details of circuit board component parts.
注：シートの部品詳細はパーツリストをご参照ください。
w w w
.
MSR800W
B C
C168
0.083U
C148 100P
R164
MIN
R170
7.5K R169
15K IC107A
15K
IC106A 2
-
R165
-
R166 R171
1 1K 3
+
MAX MAX 10K
10K
+
NJM2068L-D NJM2068L-D
OP AMP
VR101
R168
IC106B
680
C20K
6
-
C149 C150 7
CUTOFF C151
5
+
0.1U
1.5U 0.1U NJM2068L-D FREQ.
R167
120K
C160
C161 C162
0.01U 0.01U 0.01U
IC108C
IC106C IC107C
NJM2068L-D
NJM2068L-D NJM2068L-D
C167 C166 C165
0.01U 0.01U 0.01U
R192
1K
R193
1K
x a o
y
i
http://www.xiaoyu163.com
D E
8
OP AMP
C153
IC108A
0.082U 2 C155
-
1
R172 R173 R174
1 3
+
10U/25V
5.1K 22K 100K
NJM2068L-D
R176 10K
C156 220P
C157
R177 10K
C152 C154
IC108B
0.I8U 5600P
10U/25V
6
-
7
5
+
NJM2068L-D
OP AMP
Q Q R407 C401
3 10UF/25V 7 6 3
75K
R408
10K
C163
0.01U
R401 R402
IC109C
NJM2068L-D 47K 120
Q406
2SK246
C164
D401
0.01U
1SS133/176
u 1 6 3
.
http://www.xiaoyu163.com
F G
2 4
9 9 8
R179
22K
R178
5.1K
OP AMP
11 21
LEVEL
IC109B
12 22
6
-
R182
13 23 7
2
5
+ 18
NJM2068L-D
VR102
A20K
SW101
R181
SWITCH
R180
4.7K
22K
PHASE
(NORM/REV)
R409
2.2K
1 5 Q401 1 5 0 8 9 2 4
DTA114EKA
R410
100K
LD101
Q402 PEAK/LIMIT
DTC114EKA
R405 47K
C404 0.033U
R403
6 IC107B
-
R406
7
220
5
18
+
Q407
NJM2068L-D
2SK246
R404
OP AMP
10K
m
c o
H I
MSR800W
2
9 9
C170
2200PF
1
R184 R185
10K 2.2K
IC109A
2
-
1
3
+
C158
NJM2068L-D
0.1U
OP AMP
R183
10K
CN105 CH1
R186
G
6
2.2K 5 2
CH2
to AMP-
4
+15
3
2 CN201
G
1
-15
P10176
C159
0.1U
3
9 8 2 9 9
CN106
CH1 CLIP
to AMP-CN204 4
1
GND
2
VH2P
C403
22U/50V
C402
100P
5
6
MSR800W
3