★
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
82
DIGITAL 8/8
JK381
CB381
CB385
CB384
IC383
CB385
CB383
CB382
JK381
JK382
JK382
3.4
3.2
3.3
0
3.3
2.3
2.3
0
0.4
3.3
1.2
0.4
0
0
0
2.3
3.3
0
4.0
3.3
3.3
0.6
0
0.7
3.3
3.3
5.1
3.3
3.3
3.3
3.3
0
3.3
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
2.3
2.3
1.7
0
1.7
1.7
0
1.7
0
0
0
1.7
0
1.7
1.7
3.3
3.3
0
0
0
3.3
5.0
1.7
0
1.7
1.7
0
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
0
3.3
1.7
1.7
1.7
0
0
3.3
3.3
3.3
3.3
3.3
0
1.0
0
3.3
3.3
0
3.3
3.3
3.2
3.3
3.3
0
6.2
3.3
0
6.2
0
0.9
6.2
6.0
6.2
6.2
0
0
0
0
6.2
6.2
6.0
6.2
6.2
0
6.2
6.2
6.2
5.1
0
6.0
6.2
6.2
0
6.2
3.3
3.3
0
3.3
0
0
5.1
5.1
3.3
0
5.1
5.1
0
3.3
0
3.3
0
0
0
0
2.5
2.5
0
0
0
0
0
5.1
0
5.1
0
0
3.3
2.6
0
2.6
3.3
5.1
6.2
3.3
1.9
0
3.3
3.3
5.1
0
3.3
3.3
1.9
3.3
3.3
0
3.3
0
3.3
3.3
3.3
3.4
0.4
0.4
CENTER SURROUND L
SUB
WOOFER
FRONT L
ANALOG IN
POINT
J XL381 (Pin 7 of IC383)
J
IC386
: 74LVC125APW
Quad buffer/line driver with 5 V tolerant input/outputs 3-state
1
1A
2
1OE
2OE
3
1Y
4
2A
5
6
2Y
7
14
Vcc
13 4OE
12 4A
11 4Y
10 3OE
9
3A
8
3Y
GND
IC385
: 74LVC245APW,118
Octal bus transceiver with direction pin
with 5 V tolerant input/outputs (3-state)
1
DIR
2
A0
A1
A2
A3
A4
A5
A6
A7
3
4
5
6
7
20 Vcc
19
18
17
16
15
14
8
9
10
13
12 B6
B5
B4
B3
B2
B1
B0
OE
11 B7
GND
IN1
IN2
IN3
MUX
T/H
VA
8-Bit
SUCCESSIVE
APPROXIMATION
ADC
GND
IN4
GND
SCLK
CONTROL
LOGIC
CS
DIN
DOUT
CS
1
VA
2
GND
3
IN4
4
IN3
5
SCLK
ADC084S021
10
DOUT
9
DIN
8
IN1
7
IN2
6
IC381
: ADC084S021 CIMM
4-channel, 200 kSPS, 8-bit A/D converter
IC384
: NJM2386DL3-05 (TE1)
Low dropout voltage regulator with ON/OFF control
ON/OFF
control
Over Voltage
Protection
Bandgap
Reference
V
IN
Cont
GND
V
OUT
Over Current
Protection
Thermal
Protection
IC382
: SN74LV4051APWR
8-channel analog multiplexers/demultiplexers
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
COM
INH
C
B
A
11
10
9
6
3
13
14
15
12
1
5
2
4
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
Y4
Y6
COM
Y7
Y5
INH
GND
GND
V
CC
Y2
Y1
Y0
Y3
A
B
C
INPUTS
ON
CHANNEL
INH
L
L
L
L
L
L
L
L
H
L
L
L
H
H
H
H
X
C
L
L
H
H
L
L
H
H
X
L
H
L
H
L
H
L
H
X
L
Y1
Y2
Y3
Y4
Y5
Y6
Y7
None
Y0
B
A
IR BLASTER
AD
CONVERTER
SELECTOR1
YMC-500
to DIGITAL 1/8
to DIGITAL 5/8
to DIGITAL 5/8
to DIGITAL 5/8
to DIGITAL 7/8
to DIGITAL 4/8
to DIGITAL 4/8
to DIGITAL 5/8
to DIGITAL 5/8
to DIGITAL 5/8
to DIGITAL 5/8
to DIGITAL 5/8
to DIGITAL 5/8
to DIGITAL 7/8
to DIGITAL 4/8
to DIGITAL 4/8
to DIGITAL 4/8
to DIGITAL 4/8
REMOTE CONTROL
OUT1/2
OUT3/IN
to DIGITAL 5/8
to DIGITAL 7/8
to DIGITAL 7/8
to DIGITAL 4/8
to DIGITAL 5/8
YMC-700
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