Block Diagram - Yamaha MSR800W Service Manual

A

■ BLOCK DIAGRAM

Q Q
3 7 6 3 1 5 1 5 0
JK102
OUTPUT
HIGH PASS
100Hz
+4dB JK103
OUTPUT
ch A
(THRU)
JK104
INPUT
(+4dB)
JK106
INPUT
(+4dB)
JK105
OUTPUT
ch B
(THRU)
JK107
OUTPUT
HIGH PASS
T E
L 1 3 9 4 2 2 9 6 5 1 3 100Hz
+4dB
GND
AC INLET
W101A
(1P)
JK101
W101B
(1P)
※1
GND
BR YE
※1
w w w
J model only
.
MSR800W
B C
INPUT
IC101 IC102B
*A
+15Va +15V
7
5
+
7 5
HPF
2
+
–
1
–15Va –15V
*B
IC103A
+15V
3
+
1
–
2
–15V
IC103B
+15V
5
+
7
–
6
–15V
*C
+15Va IC102A
+15V
7
+
5
1 3
HPF
+
2
–
1
IC105 –15V
–15Va
*D
SW
F101 SW102
YE ※2
※2
BR
※1
HARM
YE BR
T102
※1
※ 1 Applicable to J destination.
J 仕向に適用されます。
x a o ※ 2 Applicable to the destinations except J.
y
J 仕向以外に適用されます。
i
http://www.xiaoyu163.com
D E
8
MUTE
*A Q101
*B Q102 Q105 +15V
*C Q104
*D Q103
MIX
–15V
IC104B
LOW
IC104A CUT
+15V
2 – 1 5 7 3
+
SUM
–15V
CN103 CN104
(4P) (4P)
+15V
+15Va Q106
(to IC101, 105)
–15V
–15Va Q107 R193
(to IC101, 105)
R192
Q Q
3 7 6 3
WOOFER
J101
Power Transformer
T101
TH101
TH102
o
150 C
WH
Primary Secondary
BK
u 1 6 3
.
http://www.xiaoyu163.com
F G
2 4
9 9
IC106 IC107A IC108A
LOW
BOOST LPF LPF
1 3 1 3 1
+ +
2
+15V
POWER
VR101
LD102
CUTOFF FREQ.
(GREEN)
(80Hz to 100Hz)
–15V
1 5 1 5 0 8 9 2 4
CN204 CN106
AMP
(2P) (2P)
Q240
CN201 CN105
+B
CN203 (4P)
(6P) (6P)
CH1 CH1
+15V
RY201 BTL
CH2 CH2
1
PROTECTION
–15V
–B
Q235~239
+15V
CN202
–15V
+B
(6P)
OR D238
–B
IC201
OR +15V
F201
RE
D233~236
m
IC202
–15V
c o
RE
F202
H I
MSR800W
2
8 9 9
1
2
PHASE LEVEL
NORMAL VR102
IC108B
+15V
SW101
6 7
REVERSE
–
–15V
3
9 8 2 9 9
4
IC107B IC109B
+15V +15V
7 6 7 5
– +
BUFFER
6
–
–15V –15V
2
Q402
IC109A
COMPRESSOR
LD101(RED)
Q401,
406, 407
5
PEAK/
LIMIT
6
MSR800W
1