★
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.
A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
I
J
K
L
M
N
YMC-700/YMC-500
86
MAIN 3/5
W1000
CB100
CB101
0
0
0
-5.0
5.0
5.0
-5.0
5.0
0
0
0
0
0
0
0
0
0
0
0
0
-5.0
0
5.0
0
0
5.0
2.5
2.5
0
10.7
12.0
0
10.0
5.1
5.1
5.1
0
0
0
5.1
0
0
0
0
0
0
5.1
5.1
5.1
3.3
0
1.9
3.3
0
3.3
0
0
0
0
2.5
0
2.5
0
0
0
5.1
0
5.1
0
5.1
0
10.7
10.0
ANALOG IN
SUB
WOOFER
IC103
: NJM4565M
Dual operational amplifier
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
1
2
3
4
8
7
6
5
1OUT
1IN–
1IN+
V
CC–
V
CC+
2OUT
2IN–
2IN+
OUT
VCC–
VCC+
36 pF
37 pF
14 pF
7 pF
15
460
15
IN+
IN
IC102
: NE5532DR
Dual low-noise operational amplifiers
IC104
: TC74HC4052AF
Analog multiplexer/demultiplexer
16
VCC
6
INH
10
A
9
B
8
GND
7
VEE
12
0X
14
1X
15
2X
11
3X
1
0Y
5
1Y
2
2Y
4
3Y
LEVEL
CONVERTER
BINARY TO 1-OF-4
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
SW
SW
13
X-COM
3
Y-COM
INHIBIT
0
0
0
0
1
B
0
0
1
1
X
A
0
1
0
1
X
0x, 0y
1x, 1y
2x, 2y
3x, 3y
NONE
INPUT
SELECTOR
OUTPUT
AUDIO IN
SUBWOOFER
YMC-500
to MAIN 5/5
to MAIN 4/5
to MAIN 1/5
to MAIN 5/5
to MAIN 4/5
to MAIN 4/5
to MAIN 2/5
YMC-700
To FM TUNER
w
w
w
.
x
i a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299