Yamaha MSP7 STUDIO Service Manual page 18

QQ
3 7 6 3 1 5 1 5 0
Adhesive
（接着）
to AMP
CN102B
to TRANS
CN206
INPUT 3/5
JK101 -15V
Level
1 2 3
4
+
1
–
2 VR101
3
IC101-1/2
+15V -15V +15V -15V
T E
L 1 3 9 4 2 2 9 6 5 1 3
8 4 8
TRIM
LOW CUT
7
IC102-2/2 IC103-1/2
FLAT S101 S103
80Hz
100Hz LOW HIGH
C111
F101
CN105 (3P) CN106 (4P)
POWER
AC CORD
AC INLET
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http://www.xiaoyu163.com
+15V -15V
+15V
8 4
8
HPF
5 7 1
+
IC101-2/2
+15V -15V
+15V -15V
4 8 4
8
HPF
STEP
1 1
FILTER
IC104-2/2
IC104-1/2
IC105-1/2, 2/2
S102
+15V -15V
8
LPF
IC103-2/2
IC106-1/2, 2/2
C145
CN104 (3P)
3
F
145˚C
POWER TRANSFORMER
（電源トランス）
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http://www.xiaoyu163.com
8
LED 1/5 AMP
D221
RED GREEN
Q Q
3 7 6 3
4
1
4 -15V -15V
1
+15V +15V
TRANS 4/5
T201
4
F202
5
6
F201
7
8
u 1 6 3
*S: soldered
.
2 4
9 9 8
5/5
D202
-15V
+15V
D225
+15V
4
5
7 8
+
LED 1 3
COMPARATOR
DRIVE
–
6
Q203,204, IC201-1/2
IC201-2/2
212,213
POWER AMP
+45V
HIGH 19 7
+
11
–
18 IC203
A
-45V
1 5 1 5 0 8 9 2 4
6
LOW 15
+
9
–
16 IC203
B
POWER AMP
-15V
+15V
+24V RY101
-45V +45V
D209 R246
PROTECTION
A
R254 IC204
B
Q205,207,
+15V
D210
209,210
+29V
R255 IC206 m
-15V
-29V
c o
AMP
2
9 9
YE +
TWEETER
BL –
9 8 2 9 9
RE +
WOOFER
BK –
2/5