Yamaha YMC-700 Service Manual page 86

A B C
YMC-700/YMC-500
MAIN 3/5
1
Q Q
3
SUB
WOOFER
2
SUBWOOFER
OUTPUT
3
AUDIO IN
4
to MAIN 5/5
5
T E
L 1 3
6
0
10.0
5.1
5.1
7
5.1
0
To FM TUNER
0
0
5.1
0
0
0
CB100
8
9
w w w
10
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
86
D E F
7 1 5
6 3
W1000
0
0
Page 83 B2
-5.0
to OPERATION (2)_CB151
5.0
0
to MAIN 2/5
5.0
0
IC102 0
0
0
0
IC102
0
-5.0
ANALOG IN
to MAIN 4/5
to MAIN 1/5
10.0 12.0
10.7
9 4 2 2 9 6 5 1 3
10.7
0
to MAIN 5/5
Page 82 I9
to DIGITAL_CB385
x a o
. i
G http://www.xiaoyu163.com H
YMC-700 YMC-500
1 5
0
INPUT
SELECTOR
0 5.0
0 0
0 0
0
0
0 0
0 0
-5.0 0
0 0
5.0
0
IC103
0
0
0
0
IC103
0
-5.0
Q Q
3 7
u 1 6 3
y
I J K
2 4
8 9
5.0 5.0
2.5
0
0
2.5
6 3 1 5 1 5 0 8
m
c o
.
L M N
2
9 8 9 9
IC104: TC74HC4052AF
Analog multiplexer/demultiplexer
INH VCC
6 16
INHIBIT B A
0 0 0 0x, 0y
A LEVEL BINARY TO 1-OF-4 0 0 1 1x, 1y
10
CONVERTER DECODER WITH INHIBIT 0 1 0 2x, 2y
B 9
GND 8 0 1 1 3x, 3y
VEE 1 X X NONE
7
0X 12 SW
1X 14 SW
X-COM
13
2X 15 SW
3X SW
11
0Y 1 SW
1Y SW
5
3 Y-COM
2Y 2 SW
3Y
4 SW
IC102: NE5532DR
Dual low-noise operational amplifiers
V CC+
36 pF
IN+
37 pF
14 pF
15
OUT
7 pF
IN
15
460
V CC–
1OUT 1 8 V
CC+
1IN– 2 7 2OUT
1IN+ 3 6 2IN–
V 4 5 2IN+
CC–
IC103: NJM4565M
Dual operational amplifier
9 2 4 9 V+ 8 2 9 9
8
2, 6
OUTPUT
–INPUT
1, 7
+INPUT
3, 5
V–
4